Stadium: Court 5 Round: 62 Ground: Clay
| ITF - M15 Naples | 2021/10/11 13:30 | Tristan McCormick v Parth Aggarwal | 6-4,6-3 |
| ITF - M15 Naples | 2021/10/06 13:30 | Ricardo Rodriguez-Pace v Tristan McCormick | 7-6,6-2 |
| ITF - M15 Champaign | 2021/09/15 15:00 | Emile Hudd v Tristan McCormick | 6-3,6-4 |
| ITF - M25 Champaign | 2021/09/14 17:00 | Tristan McCormick v Murphy Cassone | 7-5,7-6 |
| ITF - M25 Guayaquil | 2021/08/01 16:30 | Brandon Perez v Tristan McCormick | 4-6,6-3,10-6 |
| ITF - M25 Portoviejo | 2021/07/30 16:15 | Tristan McCormick v Pol Martin Tiffon | 4-6,6-7 |
| ITF - M25 Portoviejo | 2021/07/29 17:00 | Tristan McCormick v Maxime Mora | 7-5,7-6 |
| ITF - M25 Portoviejo | 2021/07/28 16:00 | Igor Marcondes v Tristan McCormick | 5-7,6-7 |
| ITF - M15 Naples | 2021/10/11 14:30 | Xavier Lawrence v Nikolay Sysoev | 7-6,3-6,3-10 |
| ITF - M15 Naples | 2021/10/07 13:30 | Nikolay Sysoev v Juan Ignacio Galarza | 1-6,1-6 |
| ITF - M15 Naples | 2021/10/06 13:30 | Nikolay Sysoev v Fletcher Scott | 6-4,6-4 |
| ITF - M15 Naples | 2021/10/05 13:30 | Jake Krug v Nikolay Sysoev | 6-4,2-6,6-10 |
| ITF - M15 Naples | 2021/10/04 14:00 | Parth Aggarwal v Nikolay Sysoev | 2-6,5-7 |
| UTR Pro Tennis Series - Florida | 2021/09/19 15:30 | Nikolay Sysoev v Timothy Phung | 7-5,1-6,5-3 |
| UTR Pro Tennis Series - Florida | 2021/09/18 18:30 | Noureldin Adam v Nikolay Sysoev | 3-6,5-6 |
| UTR Pro Tennis Series - Florida | 2021/09/16 19:30 | Nikolay Sysoev v Antonio M-Hidalgo | 6-3,7-5 |