Stadium: Court 1 N Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Edwardsville | 2021/07/21 18:50 | Siphosothando Montsi v Alexander Bernard | 6-0,5-7,6-3 |
| ITF M15 - Edwardsville | 2021/07/20 14:00 | Alfredo Perez v Siphosothando Montsi | 6-2,4-6,5-10 |
| ITF M15 - Edwardsville | 2021/07/19 15:00 | Nils Ellefsen v Siphosothando Montsi | 2-6,2-6 |
| ITF M15 - Champaign | 2021/06/24 15:00 | Michail Pervolarakis v Siphosothando Montsi | 4-6,6-3,6-4 |
| ITF M15 - Champaign | 2021/06/23 17:10 | Siphosothando Montsi v Victor Lilov | 6-4,6-1 |
| ITF M15 - Champaign | 2019/09/10 18:00 | Nick Chappell v Siphosothando Montsi | 7-5,6-2 |
| ITF M25 - Decatur | 2019/07/30 16:40 | Gui Gomes v Siphosothando Montsi | 7-6,1-6,10-8 |
| ITF M25 - Decatur | 2019/07/29 18:00 | A.Trice Pickens v Siphosothando Montsi | 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 Nicolas Meister | 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 | Andrew Rogers 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 |