Stadium: Court 2 Round: 26 Ground: Clay
| ITF - M15 Antalya | 2021/01/13 08:50 | Frunza, Nicolae v Lukas Neumayer | 6-1,2-6,4-6 |
| ITF - M15 Antalya | 2021/11/03 11:20 | Frunza, Nicolae v Konstantin Zhzhenov | 6-2,6-3 |
| ITF - M15 Antalya | 2021/10/22 07:00 | Nicholas David Ionel v Frunza, Nicolae | 6-4,6-1 |
| ITF - M15 Antalya | 2021/10/21 07:00 | Santiago De La Fuente v Frunza, Nicolae | 1-6,7-5,0-6 |
| ITF - M15 Antalya | 2021/10/20 10:20 | Gabriele Maria Noce v Frunza, Nicolae | 4-6,2-6 |
| ITF - M15 Antalya | 2021/10/13 09:20 | Apostol, Bogdan Ionut v Frunza, Nicolae | 7-6,7-6 |
| Challenger Sibiu | 2021/09/27 09:50 | Frunza, Nicolae v Nicholas David Ionel | 6-4,3-6,6-7 |
| Challenger Sibiu | 2021/09/26 11:10 | Oleksii Krutykh v Frunza, Nicolae | 2-6,6-7 |
| Challenger Bucharest | 2021/09/21 07:00 | Frunza, Nicolae v Horansky, Filip | 6-7,4-6 |
| ITF - M15 Antalya | 2021/11/03 12:35 | Luka Todorovic v Lukas Neumayer | 2-6,6-7 |
| ITF - M15 Antalya | 2021/10/29 07:00 | Manda, Calin v Lukas Neumayer | 4-6,6-3,7-6 |
| ITF - M15 Antalya | 2021/10/28 06:50 | Marsel Ilhan v Lukas Neumayer | 2-6,6-7 |
| ITF - M15 Antalya | 2021/10/27 09:45 | Lukas Neumayer v Nicholas David Ionel | 7-6,7-6 |
| ITF - M25 Toulouse | 2021/10/22 12:45 | Joris De Loore v Lukas Neumayer | 6-4,6-4 |
| ITF - M25 Toulouse | 2021/10/21 14:55 | Lukas Neumayer v Antoine Escoffier | 4-6,6-4,6-3 |
| ITF - M25 Toulouse | 2021/10/19 17:35 | Robin Bertrand v Lukas Neumayer | 3-6,2-6 |
| ITF - M15 Monastir | 2021/10/06 09:50 | Lohithaksha Bathrinath v Lukas Neumayer | 7-5,1-6,7-5 |