Stadium: Court 1 N Round: 25 Ground: Hardcourt outdoor
| ITF M15 Edwardsville | 2021/07/21 18:50 | Montsi, Siphosothando v Alexander Bernard | 6-0,5-7,6-3 |
| ITF M15 Edwardsville | 2021/07/20 14:00 | Perez, Alfredo v Montsi, Siphosothando | 6-2,4-6,5-10 |
| ITF M15 Edwardsville | 2021/07/19 15:00 | Ellefsen, Nils v Montsi, Siphosothando | 2-6,2-6 |
| ITF M15 Champaign | 2021/06/24 15:00 | Pervolarakis, Michail v Montsi, Siphosothando | 4-6,6-3,6-4 |
| ITF M15 Champaign | 2021/06/23 17:10 | Montsi, Siphosothando v Victor Lilov | 6-4,6-1 |
| ITF M15 Champaign | 2019/09/10 18:00 | Nick Chappell v Montsi, Siphosothando | 7-5,6-2 |
| ITF M25 Decatur | 2019/07/30 16:40 | Gomes, Gui v Montsi, Siphosothando | 7-6,1-6,10-8 |
| ITF M25 Decatur | 2019/07/29 18:00 | Pickens, A.trice v Montsi, Siphosothando | 4-6,6-3,6-10 |
| ITF M25 Champaign | 2021/07/27 16:35 | Tristan Schoolkate v Chad Kissell | 6-2,6-0 |
| ITF M25 Champaign | 2021/07/26 15:00 | Tristan Schoolkate v Meister, Nicolas | 6-0,6-1 |
| ITF M15 Edwardsville | 2021/07/21 16:00 | Blaise Bicknell v Tristan Schoolkate | 2-6,6-3,7-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 12:00 | Rogers, Andrew v Tristan Schoolkate | 0-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/10 12:00 | Gavin Young v Tristan Schoolkate | 6-4,1-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/09 12:00 | Genaro Alberto Olivieri v Tristan Schoolkate | 6-7,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 13:30 | Tristan Schoolkate v Nicholas McKinney | 6-3,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/07/06 18:00 | Tristan Schoolkate v Conner Huertas Del Pino | 6-2,7-6 |