| UTR Pro Tennis Series Sofia | 2021/09/01 08:00 | Denislav Prodanov v Josh Sheehy | 3-6,0-5 |
| UTR Pro Tennis Series Sofia | 2021/08/31 08:00 | Christos Keisidis v Josh Sheehy | 4-6,4-6 |
| UTR Pro Tennis Series Sofia | 2021/08/30 10:45 | Mario Radev v Josh Sheehy | 1-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/22 21:00 | Josh Sheehy v Ante Pavic | 3-6,7-6,6-3 |
| UTR Pro Tennis Series California | 2021/05/21 18:00 | Josh Sheehy v Ryan Seggerman | 4-6,4-5 |
| UTR Pro Tennis Series California | 2021/05/19 19:30 | Josh Sheehy v Alex Kuperstein | 6-3,6-5 |
| UTR Pro Tennis Series California | 2021/05/18 16:30 | Josh Sheehy v Alexander Stater | 6-4,7-6 |
| UTR Pro Tennis Series California | 2021/05/17 16:30 | Joshua Ortlip v Josh Sheehy | 6-1,5-2 |
| UTR Pro Tennis Series Sofia | 2021/09/01 11:00 | Martin Dimitrov v Matias Zukas | 0-6,2-5 |
| UTR Pro Tennis Series Sofia | 2021/08/31 06:30 | Samuil Konov v Matias Zukas | 3-6,1-6 |
| UTR Pro Tennis Series Sofia | 2021/08/30 11:15 | Matias Zukas v Ivan Penev | 7-5,6-3 |
| ITF M25 Poznan | 2021/08/28 09:30 | Roman Andres Burruchaga v Matias Zukas | 6-1,6-4 |
| ITF M25 Poznan | 2021/08/27 09:30 | Matias Zukas v Michal Mikula | 6-3,6-1 |
| ITF M25 Poznan | 2021/08/26 14:50 | Matias Zukas v Leonardo Aboian | 6-4,2-6,6-2 |
| ITF M25 Poznan | 2021/08/25 12:50 | Matias Zukas v Marcelo Zormann | 6-3,4-6,7-6 |
| ITF M25 Bacau | 2021/08/20 08:00 | Matias Zukas v Vladyslav Orlov | 2-6,3-6 |