| ITF M25 Pardubice | 2021/09/23 12:45 | Maciej Rajski v Tim Handel | 5-7,6-4,7-5 |
| ITF M25 Pardubice | 2021/09/22 10:20 | Martin Krumich v Maciej Rajski | 7-6,3-6,6-7 |
| Challenger Szczecin | 2021/09/13 09:00 | Alexey Vatutin v Maciej Rajski | 5-7,6-3,6-4 |
| Challenger Szczecin | 2021/09/12 10:30 | Maciej Rajski v Rudolf Molleker | 7-5,6-4 |
| ITF M15 Lodz | 2021/08/22 08:30 | Maciej Rajski v Yann Wojcik | 6-3,6-7,6-1 |
| ITF M15 Lodz | 2021/08/21 08:00 | Gilbert S K Junior v Maciej Rajski | 4-6,6-7 |
| ITF M15 Lodz | 2021/08/20 10:00 | Pawel Juszczak v Maciej Rajski | 6-7,3-6 |
| ITF M15 Lodz | 2021/08/19 10:00 | Maciej Rajski v Michal Dembek | 7-6,6-2 |
| UTR Pro Tennis Series Dallas | 2021/09/05 13:00 | Ray Lo v Alejandro Moreno | 6-7,1-5 |
| UTR Pro Tennis Series Dallas | 2021/09/04 17:40 | Jacob Brumm v Ray Lo | 5-7,3-5 |
| UTR Pro Tennis Series Dallas | 2021/09/03 17:30 | Ray Lo v Ilgiz Valiev | 6-3,6-2 |
| UTR Pro Tennis Series Dallas | 2021/09/02 17:30 | Ray Lo v Evan Zhu | 5-7,3-6 |
| UTR Pro Tennis Series Dallas | 2021/08/31 17:00 | Orel Ovil v Ray Lo | 6-3,1-6,6-6 |