Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/20 07:00 | Kiyamov, Timur v LJ Fick | 6-2,6-0 |
| ITF M25 Johannesburg Qual | 2021/09/19 07:00 | Goldenberg, Dustin v LJ Fick | 7-6,3-6,7-10 |
| ITF M25 Johannesburg Qual | 2021/09/19 08:10 | Seely, Seth v Arends, Robbie | 4-6,2-6 |
| ITF M25 Johannesburg | 2021/09/13 09:15 | Simon, Sahar v Seely, Seth | 6-1,6-2 |
| ITF M25 Johannesburg | 2021/09/12 10:30 | Seely, Seth v Hobbs, Roy | 3-6,6-4,10-8 |
| ITF - M15 Monastir | 2021/06/27 10:30 | Seely, Seth v Dylan Salton | 4-6,4-6 |
| ITF - M15 Monastir | 2021/06/20 08:00 | Faigenbaum, Francisco v Seely, Seth | 7-6,7-5 |
| ITF - M15 Monastir | 2021/06/13 11:30 | Seely, Seth v Sousa Severin, Guilherme | 1-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/04/04 07:30 | Luria, Emmanuel v Seely, Seth | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 07:00 | Pawel Juszczak v Seely, Seth | 6-1,6-0 |