| Brasov, Singles Qualifying M-ITF-ROU-04A | 2019/09/13 08:00 | Dan Alexandru Tomescu v Frunza, Nicolae | 6-4,4-6,4-6 |
| ITF M15 Curtea de Arges | 2019/08/21 13:10 | Dan Alexandru Tomescu v Frunza, Nicolae | 2-6,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 09:00 | Frunza, Nicolae v Voljacques, Hugo | 6-1,6-5 |
| ITF - M15 Antalya | 2021/04/26 07:00 | Frunza, Nicolae v Buvaysar Gadamauri | 7-6,4-6,10-8 |
| ITF - M15 Antalya | 2021/04/25 07:00 | Frunza, Nicolae v Biagio Gramaticopolo | 6-1,6-0 |
| ITF - M15 Antalya | 2021/04/24 07:30 | Frunza, Nicolae v Heyman, Christopher | 3-6,3-6 |
| ITF - M15 Antalya | 2021/04/23 08:25 | Federico Arnaboldi v Frunza, Nicolae | 3-6,2-6 |
| ITF - M15 Antalya | 2021/04/22 09:25 | Frunza, Nicolae v Rio Noguchi | 6-2,6-4 |
| ITF - M15 Antalya | 2021/04/21 07:00 | Patael, Ben v Frunza, Nicolae | 6-3,5-7,5-7 |
| ITF - M15 Antalya | 2021/04/18 09:05 | Gianmarco Ferrari v Frunza, Nicolae | 2-6,1-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 09:00 | Dan Alexandru Tomescu v Sebastian Gima | 6-3,6-1 |
| ITF - M15 Antalya | 2021/04/29 07:25 | Dan Alexandru Tomescu v Peter Heller | 6-0,3-6,5-7 |
| ITF - M15 Antalya | 2021/04/28 07:00 | Hellfritsch, Lucas v Dan Alexandru Tomescu | 2-6,1-6 |
| ITF - M15 Antalya | 2021/04/27 07:00 | Fabrizio Andaloro v Dan Alexandru Tomescu | 2-6,1-6 |
| ITF - M15 Antalya | 2021/04/26 07:00 | Taiyo Yamanaka v Dan Alexandru Tomescu | 4-6,2-6 |
| ITF - M15 Antalya | 2021/04/25 07:00 | Daniel Siniakov v Dan Alexandru Tomescu | 1-6,1-6 |
| ITF - M15 Antalya | 2021/04/20 12:00 | Dan Alexandru Tomescu v Oleksandr Ovcharenko | 6-3,4-6,6-10 |
| ITF - M15 Antalya | 2021/04/19 09:00 | Dan Alexandru Tomescu v Francesco Maestrelli | 7-6,6-7,10-7 |