Stadium: Indoor Ct. 2 Round: 27 Ground: Hardcourt outdoor
| 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 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 Champaign | 2021/06/24 14:55 | Kyle Seelig v Thomaz Bellucci | 2-6,6-2,6-4 |
| ITF - M15 Champaign | 2021/06/23 19:10 | Vasil Kirkov v Kyle Seelig | 6-4,3-6,6-7 |
| ITF - M15 Champaign | 2021/06/22 15:00 | Kyle Seelig v Jose Pereira | 7-6,7-6 |
| ITF - M15 Champaign | 2021/06/21 15:00 | Kyle Seelig v Cleeve Harper | 6-2,6-1 |
| ITF - M25 Santo Domingo | 2021/06/09 14:55 | Kyle Seelig v Conner Huertas Del Pino | 6-3,2-6,2-6 |
| ITF - M25 Santo Domingo | 2021/06/08 14:20 | Kyle Seelig v Sebastian Eguez | 6-3,6-2 |
| ITF - M25 Santo Domingo | 2021/06/06 13:00 | Kyle Seelig v Aydan Gomez Osorio | 6-0,6-0 |
| ITF - M25 Santo Domingo | 2021/06/04 13:00 | Aidan Mchugh v Kyle Seelig | 6-4,6-2 |