Stadium: Court 9 Round: 54 Ground: Clay
| 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 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 Weston | 2021/06/29 21:00 | Jack Anthrop v Nicholas Reyes | 6-4,6-4 |