12.08.22 | 1/2 | Evan King/Mitchell Krueger | Stefan Kozlov/Kaichi Uchida | Stefan Kozlov/Kaichi Uchida - walk over |  | match details | Chicago Challenger | Difícil |
11.08.22 | 1/4 | Stefan Kozlov/Kaichi Uchida | Nathaniel Lammons/Jack Withrow | 3-6, 7-66, 10-5 |  | match details |
09.08.22 | 1er ronda | Stefan Kozlov/Kaichi Uchida | Julian Cash/Henry Patten | 6-4, 5-7, 10-7 |  | match details |
29.02.16 | fin | Stefan Kozlov/Kaichi Uchida | Sebastian Fanselow/Adrian Sikora | 7-65, 6-3 |  | match details | Canada F1 | I. difícil |
29.02.16 | 1er ronda | Stefan Kozlov/Kaichi Uchida | Alexios Halebian/Eric Quigley | 6-1, 2-6, 10-6 |  | match details |
29.02.16 | 1/4 | Stefan Kozlov/Kaichi Uchida | Robert Galloway/Robbie Mudge | 6-2, 6-3 |  | match details |
29.02.16 | 1/2 | Stefan Kozlov/Kaichi Uchida | Felix Auger Aliassime/Denis Shapovalov | 6-3, 2-6, 11-9 |  | match details |