Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Bratysława | 2022/06/09 11:15 | Vit Kopriva v Johan Nikles | 6-1,6-4 |
| Challenger Bratysława | 2022/06/07 13:55 | Vitaliy Sachko v Johan Nikles | 6-3,3-6,4-6 |
| Challenger Bratysława | 2022/06/06 10:10 | Johan Nikles v Jonathan Mridha | 6-2,4-6,6-2 |
| Challenger Bratysława | 2022/06/05 14:05 | Johan Nikles v Gergely Madarasz | 6-4,7-6 |
| Challenger Poznań | 2022/05/29 12:35 | Johan Nikles v Elmar Ejupovic | 3-6,4-6 |
| ATP Genewa | 2022/05/18 13:25 | Tallon Griekspoor v Johan Nikles | 6-3,7-5 |
| ATP Genewa | 2022/05/17 13:20 | Leandro Riedi v Johan Nikles | 7-5,6-7,5-7 |
| ATP Genewa | 2022/05/15 09:00 | Johan Nikles v Lukas Rosol | 6-4,6-4 |
| Challenger Blois | 2022/06/13 11:50 | Luca Van Assche v Ergi Kirkin | 6-3,6-1 |
| Challenger Blois | 2022/06/12 14:45 | Vincent Stouff v Ergi Kirkin | 3-6,3-6 |
| Challenger Orlando | 2022/06/06 18:45 | Brandon Holt v Ergi Kirkin | 6-2,6-3 |
| Challenger Little Rock | 2022/05/30 18:50 | Christopher Eubanks v Ergi Kirkin | 6-3,6-4 |
| Challenger Shymkent | 2022/05/16 08:45 | Nicholas David Ionel v Ergi Kirkin | 6-2,0-6,6-4 |
| Challenger Shymkent | 2022/05/13 04:30 | Ergi Kirkin v Sebastian Fanselow | 6-7,4-6 |
| Challenger Shymkent | 2022/05/12 08:00 | Evgeny Karlovskiy v Ergi Kirkin | 3-6,6-4,3-6 |
| Challenger Shymkent | 2022/05/11 04:00 | Ergi Kirkin v Illya Marchenko | 5-7,6-1,6-3 |