Stadium: Court 2 Round: 26 Ground: Clay
| ITF - M15 Antalya | 2021/10/20 07:00 | Santiago De La Fuente v Vladimir Cherkovets | 6-1,6-1 |
| ITF - M15 Antalya | 2021/10/19 08:55 | Santiago De La Fuente v Da Silva, Gabriel Ciro | 6-4,6-2 |
| ITF - M15 Antalya | 2021/10/18 10:25 | Santiago De La Fuente v Francesco Liucci | 6-0,6-1 |
| ITF - M15 Antalya | 2021/10/12 08:40 | Daniel Michalski v Santiago De La Fuente | 6-1,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/10/04 08:00 | Santiago De La Fuente v Federico Salomone | 3-6,2-6 |
| ITF M15 Cairo | 2021/09/28 08:00 | Santiago De La Fuente v Marco Furlanetto | 6-7,7-5,4-10 |
| ITF M15 Cairo | 2021/09/27 08:00 | Santiago De La Fuente v Kaufmann, Hans Peter | 7-5,7-5 |
| ITF M15 Cairo | 2021/09/19 12:00 | Benito Sanchez Martinez v Santiago De La Fuente | 6-1,6-4 |
| 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 |
| Challenger Banja Luka | 2021/09/05 09:00 | Frunza, Nicolae v Cuevas, Martin | 4-6,6-7 |
| Challenger Warsaw | 2021/08/22 10:50 | Alexander Shevchenko v Frunza, Nicolae | 6-1,6-2 |
| ITF M15 Curtea de Arges | 2021/08/12 08:55 | Cacao, Tiago v Frunza, Nicolae | 6-4,6-4 |