| ITF M25 Champaign | 2021/07/26 15:00 | Tristan Schoolkate v Meister, Nicolas | 6-0,6-1 |
| ITF M15 Edwardsville | 2021/07/20 14:00 | Chad Kissell v Meister, Nicolas | 6-3,6-2 |
| ITF M15 Edwardsville | 2021/07/19 14:00 | Meister, Nicolas v Bybel, Nicholas | 3-6,6-1,10-4 |
| ITF M15 Champaign | 2021/06/21 15:00 | Juan Carlos Aguilar v Meister, Nicolas | 7-5,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/15 17:00 | Meister, Nicolas v Harris Walker | 1-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/14 14:30 | Meister, Nicolas v Daniel Milavsky | 7-6,4-6,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/13 16:30 | Meister, Nicolas v Murphy Cassone | 2-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/12 14:00 | Meister, Nicolas v Jacob Brumm | 1-6,1-5 |
| UTR Pro Tennis Series Dallas | 2021/08/08 13:00 | William Grant v Kiger, Mac | 6-4,6-5 |
| UTR Pro Tennis Series Dallas | 2021/08/07 17:30 | William Grant v Acevedo, Nicolas | 7-5,4-6,6-0 |
| UTR Pro Tennis Series Dallas | 2021/08/06 17:30 | Ronald Hohmann v William Grant | 6-3,3-6,4-5 |
| UTR Pro Tennis Series Dallas | 2021/08/05 13:00 | Mcdonald, Evin v William Grant | 2-6,6-7 |
| UTR Pro Tennis Series Dallas | 2021/08/03 13:00 | Demulling, Wyatt v William Grant | 2-6,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/02 17:00 | William Grant v Kenner Taylor | 6-4,6-5 |
| Fayetteville, AR, Singles Qualifying, M-ITF-USA-31 | 2020/11/02 16:00 | Rodrigues, Daniel v William Grant | 6-3,6-3 |
| ITF - M15 Monastir | 2019/11/20 08:30 | Kilani, Majed v William Grant | 7-6,4-6,7-6 |