US OpenGuadalajaraSao PauloChengdu

Justin Boulais

Canadian 403 ATP rankingATP 123 points 24 years 183 cm Left handed

Head to head

Match log

Qualifying Challengers

2026

Quebec City, challengerAugust

R32LBenjamin Bonzi6-7(4) 3-6

Montreal, qualifyingHard, August

Q1LAdam Walton5-7 6-7(4)

Winnipeg, challengerJuly

R32LJohannus Monday7-5 2-6 5-7

Granby, challengerJuly

QFLAugust Holmgren1-6 3-6

R16WYuta Shimizu7-5 6-1

R32WZhizhen Zhang6-2 7-6(6)

Cary, challengerJune

R32LWu Tung-Lin7-6(8) 4-6 6-7(3)

Little Rock CH, challengerHard, May

SFLMichael Mmoh6-1 1-6 2-6

QFWJay Dylan Hara Friend2-6 6-3 7-5

R16WNicolas Mejia6-4 6-4

R32WErik Arutiunian6-3 6-2

Q2WAndrew Fenty6-1 6-3

Q1WPavle Marinkov6-4 6-4

Wuning 2 CH, challengerHard, April

R16LGiles Hussey4-6 4-6

R32WPhilip Sekulic4-6 7-6(2) 6-4

Wuning 1 CH, challengerHard, April

QFLFajing Sun1-6 1-6

R16WKaichi Uchida6-3 6-4

R32WBlake Ellis7-6(5) 2-2 RET

Miyazaki CH, challengerHard, March

R32LHarry Wendelken5-7 5-7

Q2WMasamichi Imamura6-0 6-2

Yokkaichi CH, challengerHard, March

R32LYu Hsiou Hsu5-7 3-6

Q2WHyeon Chung6-4 6-4

Q1WRyuki Matsuda6-1 6-4

Baton Rouge CH, challengerHard, February

R32LBlaise Bicknell6-3 2-6 1-6

Cleveland CH, challengerHard, February

R16LQuinn Vandecasteele2-6 4-6

R32WLincoln Battle6-3 6-4

Q2WStrong Kirchheimer6-2 2-1 RET

Q1WWally Thayne6-1 6-3

Nonthaburi 1 CH, challengerHard, January

Q2LHayato Matsuoka4-6 3-6

Q1WJoshua Charlton6-4 7-6(5)

2025

Drummondville CH, challengerHard, November

R32LTristan Mccormick4-6 0-6

Charlottesville CH, challengerHard, October

R32LCannon Kingsley3-6 3-6

Q2WArda Azkara6-2 6-4

Q1WTrevor Svajda6-4 6-4

Sioux Falls CH, challengerHard, October

R32LMats Rosenkranz1-6 4-6

Q2WQuinn Vandecasteele6-4 7-5

Q1WBenjamin Kittay6-4 6-4

Lincoln CH, challengerHard, October

Q2LCannon Kingsley3-6 1-6

Q1WCooper Williams6-1 6-3

Fairfield CH, challengerHard, October

Q2LEvan Bynoe4-6 3-6

Q1WZachary Fuchs6-3 6-3

Columbus CH, challengerHard, September

R16LAlfredo Perez3-6 3-6

R32WTheo Papamalamis6-1 7-5

Q2WBryce Nakashima7-6(3) 7-6(2)

Q1WPietro Fellin6-2 7-6(5)

Winston Salem CH, challengerHard, September

Q1LJangjun Kim6-4 0-6 3-6

Sumter CH, challengerHard, August

Q1LQuinn Vandecasteele6-7(2) 4-6

Chicago CH, challengerHard, August

Q2LSamir Banerjee3-6 5-7

Q1WKenta Miyoshi3-6 7-6(3) 7-5

Canada Masters, qualifyingHard, July

Q1LJames Duckworth3-6 1-6