Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Sofia | 2021/07/08 07:00 | Frunza, Nicolae v Leonid Sheyngezikht | 7-6,6-0 |
| ITF M15 Sofia | 2021/07/07 11:15 | Frunza, Nicolae v Anthony Genov | 6-1,6-2 |
| ITF - M15 Antalya | 2021/07/04 06:20 | Rikl, Patrik v Frunza, Nicolae | 6-3,3-6,6-3 |
| ITF - M15 Antalya | 2021/07/03 06:30 | Carlos Sanchez Jover v Frunza, Nicolae | 6-4,4-6,2-6 |
| ITF - M15 Antalya | 2021/07/02 08:20 | Facundo Juarez v Frunza, Nicolae | 1-6,4-6 |
| ITF - M15 Antalya | 2021/07/01 08:35 | Frunza, Nicolae v Billy Harris | 7-6,6-2 |
| ITF - M15 Antalya | 2021/06/30 10:45 | Menelaos Efstathiou v Frunza, Nicolae | 3-6,5-7 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 09:00 | Filip, Vladimir v Frunza, Nicolae | 3-2 |
| ITF - M15 Doboj | 2021/07/18 09:00 | Zsombor Piros v Peter Fajta | 6-3,6-2 |
| ITF - M15 Doboj | 2021/07/17 11:15 | Martin Krumich v Peter Fajta | 2-6,3-6 |
| ITF - M15 Doboj | 2021/07/15 08:00 | Peter Fajta v Nincevic, Frane | 4-6,6-3,7-6 |
| ITF - M15 Doboj | 2021/07/14 11:00 | Joncour, Ronan v Peter Fajta | 0-6,1-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/21 08:00 | Hernan Casanova v Peter Fajta | 6-2,6-2 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/20 08:00 | Peter Fajta v David Pichler | 7-6,3-6,6-1 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/19 13:30 | Luka Mikrut v Peter Fajta | 1-6,0-6 |
| ITF - M15 Prijedor | 2021/05/14 08:50 | Denis Yevseyev v Peter Fajta | 1-6,6-1,6-2 |