Estadio: Court 1 Round: 25 Ground: Clay
| ITF M15 Chennai | 2023/04/05 03:30 | Vladyslav Orlov v Nitin Kumar Sinha | 6-3,7-5 |
| ITF M25 Mysuru | 2023/03/30 04:15 | Florent Bax v Nitin Kumar Sinha | 6-1,7-5 |
| ITF M25 Mysuru | 2023/03/29 04:35 | Nitin Kumar Sinha v Manish Sureshkumar | 2-6,6-4,6-4 |
| ITF M25 Nueva Delhi | 2023/03/16 04:30 | Evgeny Donskoy v Nitin Kumar Sinha | 6-3,6-4 |
| ITF M25 Nueva Delhi | 2023/03/15 06:45 | Nitin Kumar Sinha v Boris Butulija | 6-3,6-2 |
| Challenger de Pune | 2023/02/26 10:30 | Nitin Kumar Sinha v Yunseong Chung | 2-6,2-6 |
| ITF M15 Bhilai | 2022/11/24 04:00 | Ryotaro Matsumura v Nitin Kumar Sinha | 4-6,6-0,6-4 |
| ITF M15 Bhilai | 2022/11/23 04:00 | Suraj R Prabodh v Nitin Kumar Sinha | 3-6,2-6 |
| ITF M15 Addis Ababa | 2023/05/15 09:15 | Nicolas Villalon v Raffael Schaer | 3-6,6-3,10-7 |
| Challenger Coquimbo | 2023/05/02 16:40 | Arklon H D Pino v Nicolas Villalon | 6-4,6-1 |
| ITF M15 Santo Domingo de los Tsáchilas | 2023/04/05 20:30 | Nicolas Villalon v Gonzalo Bueno | 4-6,0-6 |
| ITF M15 Santo Domingo | 2023/04/04 17:15 | Alex Cairo v Nicolas Villalon | 4-6,5-7 |
| ITF M15 Santo Domingo | 2023/04/03 19:00 | Enzo Fortes v Nicolas Villalon | 2-6,5-7 |
| Challenger de Viña del Mar | 2023/03/12 16:30 | Nicolas Villalon v Orlando Luz | 2-6,0-6 |
| Challenger de Santiago | 2023/03/06 21:30 | Camilo Ugo Carabelli v Nicolas Villalon | 6-1,6-0 |
| ITF M25 Tucumán | 2023/02/28 15:00 | Nicolas Villalon v Gabriel Alejandro Hidalgo | 1-6,2-6 |