Stadium: Indoor Ct. 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/06/23 22:30 | Michail Pervolarakis v Alexander Brown | 6-3,6-0 |
| ITF M25 Tulsa | 2021/06/18 15:10 | Nicolas Kicker v Michail Pervolarakis | 6-1,7-6 |
| ITF M25 Tulsa | 2021/06/16 23:30 | Michail Pervolarakis v Stefan Kozlov | 7-6,6-4 |
| ITF M25 Wichita | 2021/06/11 14:55 | Michail Pervolarakis v Sho Shimabukuro | 3-6,3-6 |
| ITF M25 Wichita | 2021/06/10 15:40 | Michail Pervolarakis v Dane Sweeny | 6-4,6-4 |
| ITF M25 Wichita | 2021/06/09 23:05 | Michail Pervolarakis v Tristan Schoolkate | 7-5,6-2 |
| Challenger Little Rock | 2021/05/30 15:00 | Michail Pervolarakis v Sebastian Fanselow | 4-6,5-7 |
| ITF M15 Monastir | 2021/05/20 08:20 | Thomas Fancutt v Michail Pervolarakis | 6-4,7-5 |
| 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 | 2019/07/25 23:00 | Axel Geller v Siphosothando Montsi | 6-4,6-2 |
| ITF M25 Champaign | 2019/07/23 21:25 | Siphosothando Montsi v Mohamed Aziz Dougaz | 6-4,6-3 |
| ITF M15 Champaign | 2019/06/05 18:15 | Gui Gomes v Siphosothando Montsi | 3-6,6-2,7-6 |
| ITF M25 Tucson | 2019/01/09 21:15 | Siphosothando Montsi v Lloyd Glasspool | 4-6,6-3,3-6 |