Lukas Klein

179 ATP ranking 335 points 28 years 193 cm Right handed

Match log

2026

Pau CH, challenger Hard, February
R16 L Moez Echargui 2-6 2-6
R32 W Dan Added 5-2 RET
Australian Open, qualifying Hard, January
Q3 L Michael Zheng 6-4 3-6 6-7(10)
Q2 W Daniel Merida Aguilar 6-3 6-7(2) 6-4
Q1 W Zsombor Piros 6-4 6-4
Canberra CH, challenger Hard, January
R16 L Vit Kopriva 6-7(1) 6-7(1)
R32 W Murphy Cassone 4-6 7-5 6-3

2025

Athens, qualifying Hard, November
Q1 L Yannick Hanfmann 2-6 4-6
Bratislava 2 CH, challenger Hard, October
R32 L Raphael Collignon 6-3 3-6 6-7(1)
Vienna, qualifying Hard, October
Q1 L Tristan Schoolkate 6-7(5) 6-7(5)
Villena CH, challenger Hard, September
R32 L Viktor Durasovic 6-7(4) 2-6
Orleans CH, challenger Hard, September
R16 L Patrick Kypson 3-6 6-3 3-6
R32 W Hugo Grenier 3-6 6-4 7-6(4)
Istanbul CH, challenger Hard, September
R16 L Milos Karol 7-6(6) 2-6 5-7
R32 W Saba Purtseladze 6-4 6-3
Us Open, qualifying Hard, August
Q1 L Federico Agustin Gomez 2-6 4-6
Sumter CH, challenger Hard, August
QF L Mattia Bellucci 4-6 2-6
R16 W James Mccabe 7-5 6-1
R32 W Ryan Seggerman 6-4 0-0 RET
Zug CH, challenger Won the title Clay, July
F W Harold Mayot 6-2 6-7(4) 6-4 Won the title
SF W Jakub Paul 6-1 6-4
QF W Marc Andrea Huesler 6-2 7-5
R16 W Henry Bernet 6-4 3-6 6-3
R32 W Santiago Fa Rodriguez Taverna 6-3 6-3
San Marino CH, challenger Won the title Clay, July
F W Dino Prizmic 6-3 6-4 Won the title
SF W Matteo Gigante 7-6(5) 6-4
QF W Lukas Neumayer 6-7(3) 6-4 6-4
R16 W Valentin Royer 7-6(4) 3-6 6-4
R32 W Murkel Alejandro Dellien Velasco 6-2 0-6 6-3
Trieste CH, challenger Clay, July
R16 L Facundo Diaz Acosta 6-7(7) 2-6
R32 W Vilius Gaubas 6-7(4) 6-2 6-4
Wimbledon, qualifying Grass, June
Q3 L Nicolas Jarry 4-6 2-6 4-6
Q2 W Dalibor Svrcina 7-6(5) 7-5
Q1 W Jerome Kym 6-2 6-4
Bratislava CH, challenger Clay, June
R32 L Milos Karol 2-6 4-6
Prostejov CH, challenger Clay, June
R16 L Alejandro Tabilo 6-7(4) 3-6
R32 W August Holmgren 6-3 6-4
Roland Garros, qualifying Clay, May
Q3 L Ugo Blanchet 4-6 5-7
Q2 W Nicolas Moreno De Alboran 6-3 6-7(3) 6-4
Q1 W Guy Den Ouden 7-6(3) 3-6 6-4
Prague CH, challenger Clay, May
SF L Filip Misolic 6-7(4) 2-6
QF W Maxime Chazal 7-6(4) 6-3
R16 W Mikhail Kukushkin W/O
R32 W August Holmgren 6-3 7-5
Ostrava CH, challenger Clay, April
R16 L Oriol Roca Batalla 4-6 7-5 6-7(3)
R32 W August Holmgren 6-3 3-6 6-3
Oeiras 4 CH, challenger Clay, April
R32 L Stefano Travaglia 4-6 2-6
Monza CH, challenger Clay, April
R32 L Khumoun Sultanov 1-6 3-6
Miami Masters, qualifying Hard, March
Q1 L Alexander Shevchenko 3-6 6-7(5)
Phoenix CH, challenger Hard, March
Q1 L Giulio Zeppieri 7-6(4) 4-6 6-7(3)
Indian Wells Masters, qualifying Hard, March
Q1 L Botic Van De Zandschulp 7-5 3-6 3-6
Pau CH, challenger Hard, February
SF L Patrick Zahraj 3-6 4-6
QF W Jacob Fearnley 6-3 6-3
R16 W Lucas Poullain 6-3 7-5
R32 W Antoine Escoffier 6-3 6-4
Marseille, qualifying Hard, February
Q2 L Hugo Grenier 6-2 6-7(8) 5-7
Q1 W Alibek Kachmazov 6-1 7-6(3)
Oeiras 3 CH, challenger Hard, January
R32 L Denis Yevseyev 4-6 0-6
Australian Open Hard, January
R128 L Sebastian Korda 3-6 6-0 3-6 6-7(6)
Q3 W Terence Atmane 6-4 6-1
Q2 W Eliot Spizzirri 6-3 6-4
Q1 W Alexis Galarneau 6-4 3-6 7-5

2024

Brisbane, qualifying Hard, December
Q1 L Li Tu 4-6 4-6
Belgrade Hard, November
QF L Jiri Lehecka 6-3 6-7(3) 3-6
R16 W Tomas Martin Etcheverry 6-4 7-6(6)
R32 W James Duckworth 6-4 6-2
Q2 W Jozef Kovalik 3-6 6-3 6-1
Q1 W Yannick Hanfmann 6-4 6-4
Bratislava 2 CH, challenger Hard, October
R16 L Kei Nishikori 3-6 7-6(3) 1-6
R32 W Otto Virtanen 6-3 6-4
Stockholm, qualifying Hard, October
Q1 L Zsombor Piros 7-6(5) 2-6 3-6
Villena CH, challenger Hard, September
R16 L Martin Landaluce 6-3 2-6 6-7(3)
R32 W Gijs Brouwer 7-6(7) 2-1 RET
Chengdu Hard, September
R16 L Nicolas Jarry 6-7(2) 6-3 4-6
R32 W Adam Walton 7-6(3) 6-4
Us Open, qualifying Hard, August
Q1 L Joao Fonseca 6-4 4-6 2-6
Porto CH, challenger Hard, July
R16 L Edas Butvilas 4-6 6-7(8)
R32 W Egor Gerasimov 6-3 6-7(4) 6-1
Kitzbuhel Clay, July
R32 L Sumit Nagal 4-6 6-1 6-7(3)
Q2 W Otto Virtanen 6-2 6-4
Q1 W Vitaliy Sachko 7-6(5) 6-1
Gstaad Clay, July
R16 L Quentin Halys 3-6 7-6(7) 4-6
R32 W Stan Wawrinka 7-6(4) 2-6 7-5
Braunschweig CH, challenger Clay, July
R16 L Roberto Carballes Baena 2-6 4-6
R32 W Jozef Kovalik 6-7(3) 7-6(3) 6-1
Wimbledon, qualifying Grass, July
Q2 L Timofey Skatov 6-7(8) 6-7(5)
Q1 W Tristan Boyer 6-4 7-6(5)
Ilkley CH, challenger Grass, June
QF L Zachary Svajda 4-6 6-4 1-6
R16 W Tomas Barrios Vera 2-6 7-6(2) 6-4
R32 W Ryan Peniston 6-3 6-4
Roland Garros, qualifying Clay, May
Q1 L Gustavo Heide 6-1 3-6 6-7(5)
Madrid Masters Clay, April
R64 L Tommy Paul 7-6(5) 1-6 4-6
R128 W Pablo Llamas Ruiz 6-1 4-6 7-6(4)
Q2 W Thiago Agustin Tirante 6-3 6-3
Q1 W Pol Martin Tiffon 6-3 6-2
Split CH, challenger Clay, April
R32 L Elmer Moller 6-7(3) 3-6
Estoril, qualifying Clay, April
Q2 L Jaime Faria 4-6 7-6(3) 1-6
Q1 W Pedro Araujo 6-3 6-0
Miami Masters Hard, March
R128 L Alex Michelsen 6-7(5) 2-6
Q2 W Jakub Mensik 7-6(6) 7-5
Q1 W Benoit Paire 6-1 7-6(2)
Indian Wells Masters Hard, March
R64 L Casper Ruud 4-6 6-7(4)
R128 W Nicolas Moreno De Alboran 7-6(8) 6-4
Q2 W Zachary Svajda 6-4 6-7(6) 6-3
Q1 W Maximilian Marterer 6-2 6-4
Doha, qualifying Hard, February
Q2 L Alexandre Muller 4-6 4-6
Q1 W Beibit Zhukayev 6-4 6-3
Manama CH, challenger Hard, February
R32 L Marco Trungelliti 4-6 6-3 3-6
Australian Open Hard, January
R64 L Alexander Zverev 5-7 6-3 6-4 6-7(5) 6-7(7)
R128 W Soon Woo Kwon 7-6(0) 4-6 7-6(3) 6-3
Q3 W Stefano Napolitano 7-6(2) 7-6(3)
Q2 W Denis Kudla 6-3 6-7(2) 6-4
Q1 W Marco Trungelliti 6-3 3-6 6-3
Brisbane Hard, January
R16 L Matteo Arnaldi 4-6 6-3 5-7
R32 W Sebastian Baez 4-6 6-3 6-4
Q2 W Maxime Cressy 4-6 7-6(8) 6-4
Q1 W Quentin Halys 6-4 7-6(1)

2023

Ismaning CH, challenger Carpet, October
SF L Maximilian Marterer 4-6 4-6
QF W Max Hans Rehberg 6-3 6-2
R16 W Nerman Fatic 6-7(0) 6-4 6-4
R32 W Damir Dzumhur 6-3 3-6 6-1
Ortisei CH, challenger Won the title Hard, October
F W Maks Kasnikowski 6-7(4) 7-6(4) 7-6(6) Won the title
SF W Billy Harris 6-3 7-6(5)
QF W Enrico Dalla Valle 6-3 6-2
R16 W Mirza Basic 7-6(5) 7-6(3)
R32 W Andrew Paulson 7-5 6-4
Q2 W Andrea Picchione 7-6(9) 4-6 6-2
Q1 W Federico Arnaboldi 6-1 4-6 6-3
Bratislava CH, challenger Hard, October
QF L Gabriel Diallo 6-3 6-7(5) 2-6
R16 W Otto Virtanen 6-4 6-4
R32 W Dino Prizmic 6-0 6-3
Alicante CH, challenger Hard, October
R16 L Maximilian Marterer 3-6 5-7
R32 W Daniel Cox 6-3 6-2
Saint-Tropez CH, challenger Hard, September
R16 L Liam Broady 2-6 2-6
R32 W Jules Marie 4-6 6-3 6-3
Istanbul CH, challenger Hard, September
F L Damir Dzumhur 6-7(5) 3-6
SF W Jesper De Jong 7-6(2) 6-7(2) 7-6(5)
QF W Denis Yevseyev 7-6(5) 6-7(3) 7-6(2)
R16 W Ergi Kirkin 6-3 6-4
R32 W Martin Damm 6-4 4-6 7-5
Us Open, qualifying Hard, August
Q3 L Hugo Gaston 6-1 3-6 1-6
Q2 W Maximilian Marterer 7-6(5) 6-2
Q1 W Mariano Navone 6-1 6-2
Liberec CH, challenger Clay, July
R16 L Dino Prizmic 2-6 6-7(6)
R32 W Joao Lucas Reis Da Silva 6-1 6-2
Tampere CH, challenger Clay, July
QF L Dalibor Svrcina 6-7(5) 1-6
R16 W Vit Kopriva 7-5 6-1
R32 W Elmar Ejupovic 6-3 6-4
Salzburg CH, challenger Clay, July
R16 L Sebastian Ofner 4-6 5-7
R32 W Dennis Novak 7-5 5-7 6-3
Wimbledon, qualifying Grass, July
Q2 L Shintaro Mochizuki 7-6(6) 3-6 2-6
Q1 W Vit Kopriva 6-3 6-4
Ilkley CH, challenger Grass, June
R32 L Mattia Bellucci 6-4 4-6 4-6
Bratislava CH, challenger Clay, June
R32 L Tomas Barrios Vera 6-1 5-7 0-6
Prostejov CH, challenger Clay, June
SF L Dalibor Svrcina 3-6 6-4 4-6
QF W Jiri Lehecka 6-3 6-4
R16 W Emilio Nava 6-3 6-2
R32 W Matheus Pucinelli De Almeida 6-4 3-6 6-4
Troisdorf CH, challenger Clay, May
R16 L Ivan Gakhov 4-6 2-6
R32 W Marko Topo 6-3 6-7(2) 6-4
Roland Garros, qualifying Clay, May
Q2 L Flavio Cobolli 4-6 4-6
Q1 W Mariano Navone 6-0 6-4
Prague CH, challenger Clay, May
QF L Dominik Koepfer 4-6 7-6(6) 1-6
R16 W Guido Andreozzi 5-7 6-3 6-3
R32 W Yaroslav Demin 7-5 6-1
SF L Sebastian Ofner 6-7(4) 6-0 3-6
QF W Zdenek Kolar 6-3 7-5
R16 W Franco Agamenone 6-3 7-6(6)
R32 W Mate Valkusz 6-4 1-6 6-1
Madrid Masters, qualifying Clay, April
Q1 L Hugo Grenier 7-6(6) 3-6 4-6
Banja Luka, qualifying Clay, April
Q2 L Abedallah Shelbayh 4-6 2-6
Q1 W Arthur Cazaux 6-4 6-4
Split CH, challenger Clay, April
R32 L Mate Valkusz 6-3 3-6 6-7(5)
Miami Masters, qualifying Hard, March
Q2 L Christopher Eubanks 7-6(2) 3-6 6-7(4)
Q1 W Matteo Arnaldi 6-4 4-6 6-4
Lugano CH, challenger Hard, March
R32 L Cem Ilkel 4-6 6-4 5-7
Pau CH, challenger Hard, February
R32 L Joris De Loore 6-3 3-6 6-7(4)
Marseille Hard, February
R32 L David Goffin 2-6 4-6
Q2 W Zsombor Piros 7-5 6-1
Q1 W Clement Chidekh 4-6 7-5 7-6(1)
Ottignies Louvain CH, challenger Hard, January
R32 L Ernests Gulbis 4-6 2-6
Australian Open, qualifying Hard, January
Q1 L Marc Polmans 3-6 4-6
Canberra CH, challenger Hard, January
R32 L Luca Nardi 5-7 2-6

2022

Bratislava CH, challenger Hard, November
QF L Tomas Machac 4-6 7-6(5) 3-6
R16 W Jozef Kovalik 7-6(5) 6-3
R32 W Hamad Medjedovic 6-3 6-2
Ortisei CH, challenger Hard, October
F L Borna Gojo 6-7(4) 3-6
SF W Andrea Vavassori 7-6(5) 6-4
QF W Luca Nardi 6-1 3-6 6-1
R16 W Nerman Fatic 6-3 2-2 RET
R32 W Mirza Basic 6-3 6-4
Vilnius CH, challenger Hard, October
QF L Dan Added 5-7 3-6
R16 W Stefano Travaglia 6-0 7-5
R32 W Alastair Gray 6-3 3-6 7-6(3)
Ismaning CH, challenger Carpet, October
R16 L Elmar Ejupovic 6-3 3-6 5-7
R32 W Otto Virtanen 6-1 6-4
Alicante CH, challenger Won the title Hard, October
F W Nick Hardt 6-3 6-4 Won the title
SF W Fabian Marozsan 6-4 7-6(2)
QF W Salvatore Caruso 6-3 6-0
R16 W Michael Geerts 4-6 7-6(5) 6-4
R32 W Kacper Zuk 6-3 6-4
Sibiu CH, challenger Clay, September
QF L Damir Dzumhur 6-7(9) 1-6
R16 W Zdenek Kolar 7-5 6-3
R32 W Vlad Victor Cornea 6-2 7-5
Tulln CH, challenger Clay, September
QF L Elias Ymer 5-7 3-6
R16 W Felipe Meligeni Alves 4-6 7-6(4) 6-4
R32 W Dennis Novak 7-6(9) 6-4
Q2 W Marko Andrejic 7-5 6-4
Q1 W Lukas Krainer 7-6(5) 7-6(4)
Como CH, challenger Clay, August
SF L Francesco Passaro 4-6 1-6
QF W Riccardo Bonadio 4-6 6-2 6-4
R16 W Giulio Zeppieri 7-6(5) 2-6 7-6(8)
R32 W Gianmarco Ferrari 4-6 6-1 6-4
Meerbusch CH, challenger Clay, August
R32 L Clement Tabur 4-6 6-2 6-7(6)
Liberec CH, challenger Clay, August
R32 L Giovanni Mpetshi Perricard 6-7(5) 6-7(4)
Kitzbuhel, qualifying Clay, July
Q1 L Alexander Shevchenko 4-6 3-6
Iasi CH, challenger Clay, July
QF L Pablo Andujar 3-6 4-6
R16 W Oleksii Krutykh 6-3 6-4
R32 W Renzo Olivo 6-3 3-6 6-4
Todi CH, challenger Clay, July
R32 L Pedro Cachin 2-6 6-7(4)
Wimbledon Grass, June
R128 L Liam Broady 6-4 3-6 5-7 7-6(2) 3-6
Q3 W Andreas Seppi 6-1 6-7(3) 7-6(5) 7-6(4)
Q2 W Yannick Hanfmann 7-5 6-2
Q1 W Billy Harris 6-3 6-4
Bratislava CH, challenger Clay, June
R32 L Fabian Marozsan 4-6 4-6
Prostejov CH, challenger Clay, May
SF L Dalibor Svrcina 5-7 2-6
QF W Benjamin Hassan 7-6(4) 7-5
R16 W Enzo Couacaud 6-2 6-3
R32 W Alexander Erler 6-4 6-0
Troisdorf CH, challenger Won the title Clay, May
F W Zizou Bergs 6-2 6-4 Won the title
SF W Henri Squire 6-4 6-1
QF W Hugo Grenier 7-6(5) 6-4
R16 W Nicola Kuhn 6-3 4-1 RET
R32 W Facundo Mena 6-2 6-2
Q2 W Hady Habib 6-1 6-3
Q1 W Pawel Cias 6-4 6-7(3) 6-1
Geneva, qualifying Clay, May
Q1 L Facundo Bagnis 6-4 3-6 2-6
Mauthausen CH, challenger Clay, May
Q2 L Mate Valkusz 6-7(7) 1-6
Q1 W Alexander Erler 4-6 6-0 6-3
Ostrava CH, challenger Clay, April
R32 L Dennis Novak 6-7(4) 6-7(7)
Q2 L Mats Rosenkranz 6-7(5) 6-3 6-7(4)
Split CH, challenger Clay, April
R16 L Christopher Oconnell 3-6 5-7
R32 W Andrey Kuznetsov 6-4 7-5
Murcia CH, challenger Clay, April
R16 L Jonas Forejtek 3-6 5-7
R32 W Andrea Pellegrino 6-3 1-6 6-3
Marbella CH, challenger Clay, March
R32 L Nicolas Alvarez Varona 6-7(5) 4-6
Q2 W Alvaro Lopez San Martin 6-3 6-4
Q1 W Titouan Droguet 6-4 6-3

2021

Biel CH, challenger Hard, September
R32 L Mats Moraing 7-5 4-6 4-6
Warsaw CH, challenger Clay, August
QF L Javier Barranco Cosano 6-3 3-6 4-6
R16 W Andrey Kuznetsov 7-5 6-1
R32 W Julian Lenz 6-1 3-6 6-3
Luedenscheid CH, challenger Clay, August
R32 L Nicolas Jarry 6-1 6-7(5) 6-7(6)
Meerbusch CH, challenger Clay, August
QF L Botic Van De Zandschulp 4-6 6-3 4-6
R16 W Duje Ajdukovic 6-4 4-6 6-4
R32 W Tobias Kamke 6-1 6-2
Liberec CH, challenger Clay, August
R16 L Botic Van De Zandschulp 4-6 6-3 5-7
R32 W Maxime Janvier 6-3 6-4
Tokyo Olympics Hard, July
R64 L James Duckworth 7-5 3-6 6-7(4)
Perugia CH, challenger Clay, July
R16 L Holger Rune 4-6 4-6
R32 W Riccardo Bonadio 6-1 7-6(4)
Mallorca Grass, June
R16 L Jordan Thompson 4-6 4-6
R32 W Dusan Lajovic 6-4 7-6(2)
Q2 W Denis Istomin 6-3 2-6 6-4
Q1 W Pablo Cuevas 6-3 6-4
Prostejov CH, challenger Clay, June
R16 L Blaz Rola 4-6 6-3 6-7(6)
R32 W Jiri Lehecka 7-5 7-5
Bratislava 1 CH, challenger Clay, June
R32 L Jiri Lehecka 6-4 3-6 6-7(4)
Belgrade 2 Clay, May
R32 L Federico Delbonis 6-3 3-6 4-6
Q2 L Christopher Oconnell 6-7(7) 5-7
Q1 W Marko Tepavac 6-4 6-1
Ostrava CH, challenger Clay, April
QF L Arthur Rinderknech 6-3 3-6 4-6
R16 W Lukas Rosol 7-6(2) 4-6 6-2
R32 W Peter Polansky 6-3 7-5
Q2 W Rudolf Molleker 6-3 6-1
Q1 W Andrew Paulson 2-6 6-3 6-2
Split 2 CH, challenger Clay, April
R32 L Hugo Gaston 3-6 6-3 3-6
Q2 W Bozo Barun 6-1 6-4
Q1 W Mats Moraing 4-6 6-3 6-3
Split 1 CH, challenger Clay, April
Q2 L Mirza Basic 2-6 4-6
Zadar CH, challenger Clay, March
SF L Nikola Milojevic 4-6 6-4 2-6
QF W Gianluca Mager 6-4 4-6 6-4
R16 W Michael Vrbensky 5-7 6-3 6-1
R32 W Vladyslav Orlov 6-1 6-2
Santiago, qualifying Clay, March
Q1 L Mario Vilella Martinez 4-6 2-6
Buenos Aires Clay, March
R16 L Diego Schwartzman 4-6 2-6
R32 W Andrej Martin 6-4 6-3
Q3 W Ernesto Escobedo 6-2 6-3
Q2 W Thiago Seyboth Wild 6-3 7-5
Q1 W Andrea Collarini 6-4 7-5
Cordoba, qualifying Clay, February
Q1 L Ernesto Escobedo 6-7(4) 6-4 1-6
Concepcion CH, challenger Clay, February
R16 L Daniel Altmaier 6-1 3-6 3-6
R32 W Facundo Mena 7-5 6-1
Cherbourg CH, challenger Hard, February
QF L Hugo Gaston 0-6 3-6
R16 W Jurij Rodionov 4-6 6-1 6-3
R32 W Goncalo Oliveira 6-1 6-4
Antalya, qualifying Hard, January
Q1 L Adrian Andreev 3-6 6-7(7)

2020

Ortisei CH, challenger Hard, November
R32 L Julian Lenz 3-6 5-7
Bratislava CH, challenger Hard, November
SF L Tomas Machac 6-7(5) 2-6
QF W Emil Ruusuvuori 6-4 7-5
R16 W Lorenzo Giustino 6-4 6-3
R32 W Filip Horansky 6-4 6-4
Eckental CH, challenger Hard, November
Q2 L Johannes Haerteis 1-6 4-6
Q1 W Ergi Kirkin 6-3 6-4
Ostrava CH, challenger Clay, August
Q1 L Zdenek Kolar 5-7 4-6
Prague CH, challenger Clay, August
R64 L Tallon Griekspoor 4-6 6-7(5)
Nur-Sultan CH, challenger Hard, March
R32 L Kimmer Coppejans 6-3 4-6 1-6
R64 W Rostislav Galfinger 6-0 6-1
Bergamo CH, challenger Hard, February
R64 L Andrea Arnaboldi 6-7(4) 4-6
Cherbourg CH, challenger Hard, February
R64 L Jules Marie 2-6 6-7(2)
Quimper CH, challenger Hard, January
R32 L Maxime Janvier 3-6 6-7(3)
R64 W Andrea Pellegrino 7-6(5) 6-3
Rennes CH, challenger Hard, January
R64 L Corentin Denolly 2-6 6-3 3-6
Bangkok CH, challenger Hard, January
R32 L Evgeny Karlovskiy 6-7(6) 4-6
R64 W Kaichi Uchida 6-1 3-6 6-1

2019

Bratislava CH, challenger Hard, November
R16 L Mikhail Kukushkin 3-6 7-6(4) 4-6
R32 W Jiri Vesely 4-6 7-6(5) 6-2
R64 W Mohamed Safwat 6-2 6-3
Brest CH, challenger Hard, October
R64 L Illya Marchenko 4-6 2-6
Ismaning CH, challenger Hard, October
R64 L Julian Lenz 4-6 3-6
Glasgow CH, challenger Hard, September
R32 L Mathias Bourgue 5-7 6-3 6-7(2)
R64 W Matteo Martineau 7-6(2) 6-2
Portoroz CH, challenger Hard, August
QF L Aljaz Bedene 3-6 6-4 6-7(4)
R16 W Filip Horansky 1-6 6-4 6-3
R32 W Danilo Petrovic 6-3 6-4
R64 W Andrea Vavassori 6-4 6-1
Prague CH, challenger Clay, July
QF L Frederico Ferreira Silva 6-3 1-6 0-6
R16 W Andrea Collarini 6-4 6-3
R32 W Daniel Gimeno Traver 6-3 6-7(4) 6-2
R64 W Michael Vrbensky 6-3 3-6 7-5
Bratislava CH, challenger Clay, June
R32 L Lucas Miedler 4-6 6-4 5-7
R64 W Vit Kopriva 7-5 6-4

2018

Bratislava CH, challenger Hard, November
R32 L Matthias Bachinger 4-6 6-7(6)
Eckental CH, challenger Hard, October
Q1 L Igor Sijsling 6-7(8) 3-6
Ismaning CH, challenger Hard, October
R16 L Johannes Haerteis 3-6 6-4 5-7
R32 W Alexander Erler 6-3 6-4
Q3 W Geoffrey Blancaneaux 2-6 6-4 7-5
Q2 W Artem Smirnov 6-3 6-1
Q1 W Ante Pavic 3-6 6-3 6-4
Bastad CH, challenger Clay, July
R32 L Thiago Monteiro 4-6 6-7(4)
Q3 L Filip Horansky 7-6(5) 3-6 1-6
Q2 W Sam Taylor 6-3 6-4
Q1 W Zihao Xia 6-1 6-1
Poprad Tatry CH, challenger Clay, June
R32 L Casper Ruud 4-6 1-1 RET
Bergamo CH, challenger Hard, February
Q1 L Luca Vanni 2-6 3-6
Budapest CH, challenger Hard, February
Q3 L Constant Lestienne 4-6 3-6
Q2 W Edward Corrie 6-3 6-7(3) 6-3
Q1 W Filip Horansky 6-3 6-4
Koblenz CH, challenger Hard, January
Q1 L N Sriram Balaji 4-6 6-7(6)

2017

Brescia CH, challenger Hard, November
R32 L Lukas Lacko 3-6 6-7(2)
Q3 W Luca Margaroli 7-6(2) 7-6(3)
Q2 W Riccardo Maiga 6-3 6-4
Bratislava CH, challenger Hard, November
R16 L Marius Copil 4-6 5-7
R32 W Pedja Krstin 6-7(5) 6-3 6-4
Ortisei CH, challenger Hard, October
Q2 L Tim Puetz 7-6(8) 2-6 4-6
Q1 W Alessandro Bega 7-6(2) 6-4

2016

Bratislava CH, challenger Hard, November
R32 L Marius Copil 6-7(4) 3-6
Trnava CH, challenger Clay, August
Q2 L Geoffrey Blancaneaux 5-7 1-6
Q1 W Carl Soderlund 5-7 6-2 6-3
Poprad CH, challenger Clay, June
R32 L Robin Stanek 3-6 3-6