Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Fayetteville | 2021/09/20 17:00 | Chad Kissell v Davide Tortora | 3-6,2-6 |
| ITF M25 Decatur | 2021/08/02 15:00 | Dane Sweeny v Chad Kissell | 1-6,7-5,10-3 |
| ITF M25 Champaign | 2021/07/27 16:35 | Tristan Schoolkate v Chad Kissell | 6-2,6-0 |
| ITF M15 Edwardsville | 2021/07/21 21:10 | Chad Kissell v Felix Corwin | 6-3,5-7,6-7 |
| ITF M15 Edwardsville | 2021/07/20 14:00 | Chad Kissell v Nicolas Meister | 6-3,6-2 |
| ITF M15 Edwardsville | 2021/07/19 14:00 | Chad Kissell v John Bernard | 7-6,6-1 |
| ITF M15 Champaign | 2021/06/21 15:00 | Preston Brown v Chad Kissell | 6-4,6-4 |
| ITF M25 Tulsa | 2021/06/14 15:00 | Evan Zhu v Chad Kissell | 7-6,7-6 |
| ITF M15 Cancun | 2021/09/22 14:00 | Nicholas Bybel v Jaimee Floyd Angele | 4-6,6-7 |
| UTR Pro Tennis Series Florida | 2021/09/16 18:00 | Nicholas Bybel v Daniel Mora | 6-2,6-5 |
| UTR Pro Tennis Series Florida | 2021/09/15 13:30 | Nicholas Bybel v Brian Berdusco | 7-6,6-1 |
| UTR Pro Tennis Series Florida | 2021/09/14 13:30 | Nicholas Bybel v Kaylan Bigun | 6-2,6-2 |
| UTR Pro Tennis Series Florida | 2021/09/13 15:00 | Nicholas Bybel v Adam Ambrozy | 6-3,6-3 |
| ITF M25 Decatur | 2021/08/03 14:55 | Dane Sweeny v Nicholas Bybel | 6-3,6-1 |
| ITF M25 Decatur | 2021/08/02 15:00 | Nicholas Bybel v Alexander Brown | 6-4,6-1 |
| ITF M25 Champaign | 2021/07/26 15:00 | Alfredo Perez v Nicholas Bybel | 6-1,6-3 |