Stadium: Court 5 Round: 25 Ground: Clay
| UTR Pro Tennis Series Beograd | 2021/07/10 10:00 | Petar Teodorovic v Aleksa Mardjonovic | 2-6,6-4,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/08 07:30 | Petar Teodorovic v Luka Pavlovic | 3-6,6-4,4-5 |
| UTR Pro Tennis Series Beograd | 2021/07/07 09:00 | Petar Teodorovic v Yanais Laurent | 2-6,1-6 |
| UTR Pro Tennis Series Beograd | 2021/07/06 10:30 | Petar Teodorovic v Borza, Bogdan | 6-3,3-6,6-3 |
| UTR Pro Tennis Series Beograd | 2021/07/05 12:00 | Petar Teodorovic v Luka Todorovic | 7-6,6-2 |
| Adriatic Tennis Series | 2020/06/09 09:20 | Petar Teodorovic v Zekic, Miljan | 3-6,1-6 |
| ITF M15 Bad Waltersdorf | 2021/08/25 11:00 | Gabriel Decamps v Nagy, Peter | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/17 10:30 | Nagy, Peter v Marat Sharipov | 1-6,2-6 |
| ITF M15 Novi Sad | 2021/08/04 10:00 | Gorazd Srbljak v Nagy, Peter | 3-6,6-4,7-5 |
| ITF M15 Novi Sad | 2021/07/30 10:20 | Filip Misolic v Nagy, Peter | 6-3,6-3 |
| ITF M15 Novi Sad | 2021/07/29 09:00 | Pedro Boscardin Dias v Nagy, Peter | 6-7,7-5,2-6 |
| ITF - M15 Porec | 2021/03/10 10:45 | Nagy, Peter v Damien Wenger | 3-6,6-4,1-6 |
| ITF - M25 Antalya | 2020/02/27 07:00 | Nagy, Peter v Yshai Oliel | 0-6,3-6 |
| ITF - M25 Antalya | 2020/02/26 10:00 | Alessandro Ingarao v Nagy, Peter | 6-3,6-7,3-6 |