Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF - M15 Edwardsville | 2021/07/19 16:30 | Kyle Seelig v Parth Aggarwal | 7-5,6-2 |
| ITF - M15 Weston | 2021/07/01 21:10 | Kyle Seelig v Gonzalo Villanueva | 6-3,6-7,6-7 |
| ITF - M15 Weston | 2021/07/01 15:25 | Kyle Seelig v Gonzalo Villanueva | 6-3,6-7,6-7 |
| ITF - M25 Weston | 2021/06/29 23:30 | Kyle Seelig v Jack Anthrop | 6-2,4-6,10-3 |
| ITF - M25 Weston | 2021/06/29 21:00 | Kyle Seelig v Evan Bynoe | 6-4,7-6 |
| ITF - M15 Champaign | 2021/06/26 15:00 | Gabriel Diallo v Kyle Seelig | 6-4,6-3 |
| ITF - M15 Champaign | 2021/06/25 16:55 | Michail Pervolarakis v Kyle Seelig | 4-6,1-6 |
| ITF - M15 Champaign | 2021/06/24 14:55 | Kyle Seelig v Thomaz Bellucci | 2-6,6-2,6-4 |
| ITF - M15 Edwardsville | 2021/07/19 16:30 | Ethan Quinn v Carson Haskins | 7-5,6-2 |