Stadium: Court 1 Round: 14 Ground: Hardcourt indoor
| Challenger Rennes | 2021/09/14 10:00 | Brayden Schnur v Clement Chidekh | 4-6,4-6 |
| US Open | 2021/08/25 15:00 | Brayden Schnur v Prajnesh Gunneswaran | 4-6,6-7 |
| ATP Toronto | 2021/08/09 21:10 | Lloyd Harris v Brayden Schnur | 6-3,6-2 |
| ATP Toronto | 2021/08/08 17:05 | Brayden Schnur v Daniel Elahi Galan | 7-6,6-3 |
| ATP Toronto | 2021/08/07 16:35 | Marcos Giron v Brayden Schnur | 2-6,3-6 |
| Challenger Lexington | 2021/07/27 19:25 | Mukund Sasikumar v Brayden Schnur | 6-3,6-4 |
| Challenger Cary | 2021/07/21 19:50 | Brayden Schnur v Govind Nanda | 6-3,5-7,5-7 |
| Challenger Cary | 2021/07/19 21:00 | Bjorn Fratangelo v Brayden Schnur | 6-7,6-3,3-6 |
| Challenger Istanbul | 2021/09/13 13:25 | Chun Hsin Tseng v Roberto Marcora | 6-1,2-6,6-4 |
| US Open | 2021/08/26 15:00 | Bernabe Zapata Miralles v Roberto Marcora | 7-5,3-6,7-6 |
| US Open | 2021/08/24 15:00 | Roberto Marcora v Roberto Cid Subervi | 7-6,6-3 |
| Challenger San Marino | 2021/08/11 20:05 | Roberto Marcora v Pavel Kotov | 4-6,4-6 |
| Challenger San Marino | 2021/08/10 11:00 | Roberto Marcora v Andrea Pellegrino | 7-6,7-6 |
| Challenger Cordenons | 2021/08/03 08:30 | Marc-Andrea Huesler v Roberto Marcora | 6-4,6-4 |
| Challenger Poznan | 2021/07/28 10:35 | Roberto Marcora v Dmitry Popko | 0-6,3-6 |
| Challenger Poznan | 2021/07/27 10:05 | Maxime Janvier v Roberto Marcora | 3-6,2-6 |