Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Columbus | 2021/09/22 17:50 | Aleksandar Vukic v Cannon Kingsley | 7-6,7-5 |
| Challenger Columbus | 2021/09/21 16:25 | Matej Vocel v Cannon Kingsley | 7-5,1-6,6-7 |
| ITF M15 Champaign | 2021/09/18 15:00 | Cannon Kingsley v Gabi Adrian Boitan | 4-6,4-6 |
| ITF M15 Champaign | 2021/09/17 15:00 | Drew Baird v Cannon Kingsley | 0-6,3-6 |
| ITF M15 Champaign | 2021/09/16 15:00 | Alexander Kotzen v Cannon Kingsley | 4-6,3-6 |
| ITF M15 Champaign | 2021/09/15 15:00 | Cannon Kingsley v Ezekiel Clark | 6-3,6-2 |
| ITF M25 Decatur | 2021/08/06 17:50 | Cannon Kingsley v Aidan Mchugh | 3-6,3-6 |
| ITF M25 Decatur | 2021/08/05 14:45 | Jason Kubler v Cannon Kingsley | 6-7,6-3,3-6 |
| ITF M15 Lubbock | 2021/09/27 15:00 | Francisco Vittar v Parth Aggarwal | 7-6,4-6,10-5 |
| ITF M15 Warmbad-Villach | 2021/08/15 15:30 | Michalis Sakellaridis v Francisco Vittar | 7-6,4-6,13-11 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Francisco Vittar v Gianni Ross | 2-6,6-0,7-10 |
| ITF M15 Xativa | 2021/08/02 07:00 | Francisco Vittar v Max Alcala Gurri | 2-6,2-6 |
| ITF M15 Xativa | 2021/08/01 10:00 | Francisco Vittar v Areg Stepanian | 6-1,6-0 |
| ITF M25 Kottingbrunn | 2021/07/20 10:40 | Peter Goldsteiner v Francisco Vittar | 6-3,6-1 |
| ITF M25 Kottingbrunn | 2021/07/19 13:45 | Jan Jermar v Francisco Vittar | 4-6,5-7 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Tomas Lanik v Francisco Vittar | 4-6,2-6 |