Stadium: Court 3 Round: 45 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Telfs | 2021/07/14 08:50 | Francisco Vittar v Sandro Kopp | 2-6,3-6 |
| ITF M25 Fayetteville | 2021/09/20 17:00 | Sander Jong v Parth Aggarwal | 6-0,6-3 |
| ITF M25 Champaign | 2021/09/13 17:00 | Perry Gregg v Parth Aggarwal | 6-2,5-7,10-2 |
| UTR Pro Tennis Series Florida | 2021/09/11 15:00 | Parth Aggarwal v Patrick Kotan | 2-3 |
| UTR Pro Tennis Series Florida | 2021/09/10 18:00 | Parth Aggarwal v Dusty Boyer | 3-6,4-5 |
| UTR Pro Tennis Series Florida | 2021/09/08 15:00 | Parth Aggarwal v Kiranpal Pannu | 6-7,6-4,0-5 |
| UTR Pro Tennis Series Florida | 2021/09/07 15:00 | Parth Aggarwal v Roman Postolka | 1-6,1-6 |
| UTR Pro Tennis Series Florida | 2021/09/06 17:00 | Parth Aggarwal v Jacob Perkins | 6-1,5-3 |
| UTR Pro Tennis Series Florida | 2021/08/28 15:00 | Theo Winegar v Parth Aggarwal | 5-1 |