Guido Ivan Justo

254 ATP ranking 217 points 28 years 178 cm Right handed

Match log

2026

Kosice CH, challenger Clay, May
R32 L Lilian Marmousez 6-4 5-7 6-7(3)
Cervia CH, challenger Clay, May
R16 L Tommaso Compagnucci 2-6 4-6
R32 W Giovanni Oradini 6-4 6-4
Cordoba CH, challenger Clay, May
SF L Franco Roncadelli 1-6 4-6
QF W Eduardo Ribeiro 7-6(9) 7-5
R16 W Luciano Emanuel Ambrogi 6-4 6-1
R32 W Lorenzo Joaquin Rodriguez 6-3 0-0 RET
Santos CH, challenger Clay, May
R16 L Lorenzo Joaquin Rodriguez 2-6 1-6
R32 W Luis Felipe Miguel 6-4 6-0
Santa Cruz de la Sierra CH, challenger Clay, April
R16 L Matias Soto 2-6 3-6
R32 W Luciano Emanuel Ambrogi 6-4 3-6 7-5
Campinas CH, challenger Clay, April
QF L Gustavo Heide 3-6 4-6
R16 W Juan Manuel La Serna 6-4 6-3
R32 W Victor Hugo Remondy Pagotto 6-2 6-1
Sao Leopoldo CH, challenger Clay, March
R32 L Juan Manuel La Serna 6-7(4) 6-2 2-6
Bucaramanga CH, challenger Clay, March
F L Matias Soto 3-6 3-6
SF W Franco Roncadelli 6-2 3-1 RET
QF W Johan Nikles 6-2 6-0
R16 W Ivan Marrero Curbelo 6-4 6-2
R32 W Bruno Fernandez 7-6(5) 6-4
Asuncion CH, challenger Clay, March
R32 L Juan Carlos Prado Angelo 3-6 4-6
Santiago CH, challenger Clay, March
R32 L Franco Agamenone 1-6 7-6(5) 1-6
Q2 L Benjamin Torrealba 5-7 0-2 RET
Q1 W Anders Matta 6-1 6-2
Tigre 2 CH, challenger Clay, February
R16 L Alvaro Guillen Meza 6-7(4) 6-3 2-6
R32 W Gonzalo Villanueva 7-5 7-5
Tigre CH, challenger Won the title Clay, February
F W Lautaro Midon 4-6 6-3 6-0 Won the title
SF W Gonzalo Bueno 4-6 6-2 6-2
QF W Bruno Fernandez 6-1 6-3
R16 W Facundo Diaz Acosta 7-5 6-0
R32 W Franco Agamenone 6-2 6-2
Rosario CH, challenger Clay, February
R32 L Camilo Ugo Carabelli 1-6 0-6
Q2 W Ezequiel Monferrer 6-1 4-6 6-2
Q1 W Tomas Farjat 6-7(6) 6-2 6-1
Concepcion CH, challenger Clay, January
QF L Tomas Barrios Vera 3-6 6-4 4-6
R16 W Juan Bautista Torres 6-3 6-2
R32 W Benjamin Torrealba 6-2 7-6(4)
Q2 W Arklon Huertas Del Pino 6-1 3-0 RET
Q1 W Conner Huertas Del Pino 6-1 3-6 6-1
Itajai CH, challenger Clay, January
R16 L Gonzalo Bueno 3-6 6-0 2-6
R32 W Juan Bautista Torres 7-6(4) 6-2
Q2 W Arklon Huertas Del Pino 7-6(5) 6-7(2) 6-2
Q1 W Kaue Noatto 6-1 6-2
Buenos Aires 1 CH, challenger Clay, January
R32 L Juan Estevez 6-7(2) 2-6

2025

Florianopolis CH, challenger Clay, November
QF L Daniel Dutra Da Silva 5-7 1-6
R16 W Joao Lucas Reis Da Silva 4-6 7-6(3) 6-2
R32 W Joao Eduardo Schiessl 6-4 4-6 7-5
Montevideo CH, challenger Clay, November
R32 L Adolfo Daniel Vallejo 6-4 2-6 3-6
Q2 W Murkel Alejandro Dellien Velasco 6-3 6-1
Q1 W Federico Aguilar Cardozo 6-4 6-1
Lima 2 CH, challenger Clay, November
Q2 L Murkel Alejandro Dellien Velasco 5-7 6-1 3-6
Q1 W Rodrigo Varillas 6-0 6-1
Lima Los Inkas CH, challenger Clay, October
R32 L Marco Cecchinato 3-6 7-6(5) 1-6
Cali CH, challenger Clay, October
R32 L Mateus Alves 2-6 3-6
Q2 W Ryan Dickerson 4-6 6-0 6-3
Q1 W Pablo Robledo Hoyos 6-2 6-0
Antofagasta CH, challenger Clay, September
Q1 L Carlos Maria Zarate 4-6 6-1 6-7(1)
Buenos Aires CH, challenger Clay, September
QF L Alex Barrena 2-6 7-6(1) 3-6
R16 W Lorenzo Joaquin Rodriguez 7-6(3) 6-3
R32 W Juan Pablo Ficovich 6-3 7-6(1)
Villa Maria CH, challenger Clay, September
R16 L Murkel Alejandro Dellien Velasco 4-6 0-6
R32 W Juan Bautista Torres 6-7(5) 6-3 6-4
Lima CH, challenger Clay, June
R32 L Gonzalo Bueno 0-6 4-6
Santa Cruz de la Sierra CH, challenger Clay, June
R32 L Lucas Gerch 3-6 7-6(4) 6-7(4)
Porto Alegre CH, challenger Clay, April
QF L Santiago Fa Rodriguez Taverna 4-6 7-6(4) 3-6
R16 W Hernan Casanova 6-3 6-1
R32 W Gonzalo Villanueva 7-6(6) 7-5
San Miguel de Tucuman CH, challenger Clay, April
R16 L Santiago Fa Rodriguez Taverna 4-6 3-6
R32 W Mateo Barreiros Reyes 7-6(7) 6-3
Campinas CH, challenger Clay, March
R32 L Mariano Kestelboim 5-7 1-6
Concepcion CH, challenger Clay, March
QF L Nicolas Kicker 4-6 6-1 1-6
R16 W Renzo Olivo 7-5 6-4
R32 W Yuki Mochizuki 6-3 6-1
Asuncion CH, challenger Clay, March
R32 L Juan Pablo Varillas 3-6 4-6
Santiago CH, challenger Clay, March
R32 L Genaro Alberto Olivieri 2-6 7-6(3) 5-6 RET
Q2 W Daniel Antonio Nunez 6-3 6-1
Q1 W Conner Huertas Del Pino 6-3 7-6(4)
Cordoba CH, challenger Clay, March
R32 L Daniel Elahi Galan 2-6 2-6
Q2 W Tomas Farjat 6-3 7-6(5)
Q1 W Franco Ribero 7-6(2) 6-2
Rosario CH, challenger Clay, February
R16 L Camilo Ugo Carabelli 5-7 6-2 5-7
R32 W Thiago Agustin Tirante 3-6 6-1 6-2
Q2 W Gonzalo Villanueva 6-4 6-4
Q1 W Alejo Lorenzo Lingua Lavallen 1-6 6-4 6-4

2024

Villa Maria CH, challenger Clay, October
Q2 L Nicolas Kicker 5-7 5-7
Q1 W Valentin Basel 6-7(3) 6-4 3-1 RET
Antofagasta CH, challenger Clay, September
Q2 L Jose Pereira 3-6 1-6
Q1 W Joaquin Leon Macchiavello 6-0 6-1
Bogota CH, challenger Clay, August
R32 L Facundo Mena 0-6 4-6
Santa Cruz De La Sierra CH, challenger Clay, June
R32 L Juan Bautista Torres 5-7 1-6
Q2 W Marcos Lee Chan Baratau 6-2 6-4
Q1 W Alexander Stater 6-3 6-2
Lima CH, challenger Clay, June
Q2 L Emile Hudd 4-6 2-6
Santa Fe CH, challenger Clay, June
R16 L Facundo Mena 6-7(2) 2-6
R32 W Santiago Fa Rodriguez Taverna 6-3 7-5
Santos CH, challenger Clay, May
R32 L Dmitry Popko 0-6 5-7
Porto Alegre CH, challenger Clay, April
QF L Daniel Dutra Da Silva 6-2 3-6 2-6
R16 W Roberto Cid 6-2 6-4
R32 W Pedro Sakamoto 6-2 2-6 6-3
Q2 W Emilio Gomez 6-4 6-3
Q1 W Ignacio Carou 6-4 6-1
Concepcion CH, challenger Clay, April
R32 L Juan Pablo Ficovich 0-6 7-6(5) 3-6
San Miguel De Tucuman CH, challenger Clay, April
R16 L Valerio Aboian 4-6 5-7
R32 W Maximo Zeitune 4-6 6-3 6-0
Florianopolis CH, challenger Clay, April
Q2 L Daniel Cukierman 4-6 0-2 RET
Sao Leopoldo CH, challenger Clay, March
Q2 L Bruno Kuzuhara 6-7(5) 6-2 3-6
Q1 W Gustavo Giudici 6-0 6-2
Santiago CH, challenger Clay, March
Q2 L Mariano Kestelboim 2-6 6-4 1-6
Q1 W Nicolas Bruna 6-0 6-1
Santa Cruz De La Sierra CH, challenger Clay, March
R32 L Juan Manuel Cerundolo 3-6 2-6
Q2 W Ignacio Buse 6-1 6-3
Q1 W Tobias Franco 6-1 6-1

2023

Antofagasta CH, challenger Clay, September
Q2 L Tomas Farjat 2-6 5-7
Q1 W David Jorda Sanchis 7-5 0-6 7-5
Lima CH, challenger Clay, August
R32 L Pedro Sakamoto 4-6 6-7(5)
Q2 W Alejandro Hoyos Franco 0-6 6-2 6-1
Q1 W Noah Schachter 6-7(7) 6-3 6-3
Santa Fe CH, challenger Clay, July
R32 L Francisco Comesana 2-6 4-6
Florianopolis CH, challenger Clay, April
R16 L Tomas Barrios Vera 6-3 3-6 3-6
R32 W Gonzalo Villanueva 6-3 6-7(2) 6-2
Q2 W Conner Huertas Del Pino 6-3 6-4
Q1 W Jorge Brian Panta Herreros 7-5 6-3

2022

Buenos Aires CH, challenger Clay, June
Q1 L Fermin Tenti 2-6 2-6
Q2 L Jose Pereira 3-6 0-6

2021

Buenos Aires CH, challenger Clay, October
Q2 L Martin Cuevas 3-6 3-6
Q1 W Federico Zeballos 6-2 6-1
Acapulco, qualifying Hard, March
Q1 L Agustin Velotti 0-6 1-6
Cordoba, qualifying Clay, February
Q1 L Joao Menezes 3-6 6-7(4)
Concepcion CH, challenger Clay, February
Q1 L Mariano Kestelboim 3-6 6-4 3-6