Stadium: Center Court Round: 19 Ground: Clay
| Challenger Barletta | 2021/08/22 10:00 | Nicolas Alvarez v Marco Bortolotti | 6-4,5-7,6-2 |
| Challenger Verona | 2021/08/15 11:10 | Nicolas Alvarez v Matheus Pucinelli De Almeida | 2-6,1-6 |
| ITF M25 Guayaquil | 2021/08/03 14:30 | Juan A H Serrano v Nicolas Alvarez | 6-3,3-6,6-3 |
| ITF M25 Portoviejo | 2021/07/31 15:00 | Nicolas Alvarez v Arklon H D Pino | 1-6,4-6 |
| ITF M25 Portoviejo | 2021/07/30 14:30 | Nicolas Alvarez v Jose Pereira | 7-6,6-3 |
| ITF M25 Portoviejo | 2021/07/29 16:35 | Nicolas Alvarez v Noah Schachter | 6-2,6-2 |
| ITF M25 Tulsa | 2021/06/17 01:55 | Ezekiel Clark v Nicolas Alvarez | 6-4,6-2 |
| Challenger Orlando | 2021/06/07 14:00 | Nicolas Mejia v Nicolas Alvarez | 6-3,7-5 |
| Challenger Barletta | 2021/08/22 12:45 | Yan Bondarevskiy v Gijs Brouwer | 6-3,6-4 |
| ITF M15 Telavi | 2021/08/07 06:30 | Oleg Prihodko v Yan Bondarevskiy | 7-6,6-3 |
| ITF M15 Telavi | 2021/08/06 06:20 | Dostanbek Tashbulatov v Yan Bondarevskiy | 1-6,1-6 |
| ITF M15 Telavi | 2021/08/04 08:40 | Marco Miceli v Yan Bondarevskiy | 0-6,6-2,2-6 |
| ITF M15 Telavi | 2021/08/03 09:45 | Oleksandr Bielinskyi v Yan Bondarevskiy | 6-7,3-6 |
| ITF M25 Telavi | 2021/07/31 10:30 | Vladyslav Orlov v Yan Bondarevskiy | 3-6,6-2,6-4 |
| ITF M25 Telavi | 2021/07/31 06:00 | Evgeny Philippov v Yan Bondarevskiy | 3-6,6-3,2-6 |
| ITF M25 Telavi | 2021/07/27 10:25 | Grigoriy Lomakin v Yan Bondarevskiy | 4-6,6-7 |