| ITF China F3 | 01/25 05:15 | 27 | Nitin Kumar Sinha v Kuan-Yi Lee | 3-6,2-6 | |
| ITF China F3 | 01/24 02:30 | 26 | Wang, Huixin v Nitin Kumar Sinha | 2-6,3-6 | |
| ITF China F3 | 01/23 04:05 | 25 | Wang, Ruixuan v Nitin Kumar Sinha | 2-6,4-6 | |
| ITF China F3 Qual | 01/22 02:30 | 44 | Nitin Kumar Sinha v Sheng Tang | 7-5,4-6,6-2 | |
| ITF China F3 Qual | 01/21 04:20 | 44 | Nitin Kumar Sinha v Cai, Yong Jia | 6-3,6-1 | |
| ITF China F2 | 01/19 02:30 | 27 | Nitin Kumar Sinha v Steven Diez | 3-6,0-6 | |
| ITF China F2 | 01/17 02:30 | 26 | Mats Rosenkranz v Nitin Kumar Sinha | 6-7,7-6,0-6 | |
| ITF China F2 | 01/16 03:35 | 25 | Nitin Kumar Sinha v Wang, Aoran | 6-3,6-3 | |
| ITF China F2 Qual | 01/15 04:00 | 44 | Nitin Kumar Sinha v Xia, Haitong | 6-2,6-0 | |
| ITF China F2 Qual | 01/14 06:05 | 44 | Nitin Kumar Sinha v Feng, He | 6-4,6-0 | |
| ITF China F1 | 01/09 02:00 | 25 | Nitin Kumar Sinha v Markovic, Goran | 5-7,6-1,3-6 | |
| ITF China F1 Qual | 01/08 02:00 | 44 | Nitin Kumar Sinha v Tao, Jun Nan | 6-2,6-2 | |
| ITF China F1 Qual | 01/07 02:00 | 44 | Nitin Kumar Sinha v Wong, San | 6-1,6-2 | |
| Challenger Bangalore Qual | 11/18 09:35 | 46 | Nitin Kumar Sinha v Khabibulin, Timur | 3-6,4-6 | |
| Challenger Bangalore Qual | 11/18 06:25 | 45 | Nitin Kumar Sinha v Kedriouk, Alexey | 6-1,6-2 | |
| ITF Vietnam F2 | 11/12 07:00 | 44 | Mladenov, Vasko v Nitin Kumar Sinha | Retired | |
| ITF Vietnam F2 | 11/12 03:00 | 44 | Kishi, Ryota v Nitin Kumar Sinha | 1-6,0-6 | |
| ITF Vietnam F1 | 11/05 04:00 | 44 | Crnokrak, Alexander v Nitin Kumar Sinha | 1-6,7-6,6-1 | |
| ITF Malaysia F3 | 10/30 01:00 | 62 | Gonzalez, Wilfredo v Nitin Kumar Sinha | 6-3,1-6,6-1 | |
| ITF Malaysia F3 | 10/29 00:00 | 62 | Nitin Kumar Sinha v Du Toit, Daniel | 6-1,6-4 | |
| ITF Malaysia F3 | 10/28 01:00 | 62 | Nicholls, Shane v Nitin Kumar Sinha | 0-6,1-6 | |
| ITF Malaysia F2 | 10/23 01:00 | 62 | Singh, Dalwinder v Nitin Kumar Sinha | 6-4,7-6 | |
| ITF Malaysia F2 | 10/22 02:00 | 62 | Rocky, Damien v Nitin Kumar Sinha | 1-6,0-6 | |
| ITF Malaysia F1 | 10/15 01:00 | 44 | Nitin Kumar Sinha v Kovapitukted, Palaphoom | 6-7,3-6 | |
| ITF India F9 | 09/20 06:05 | 26 | Mukund, S. v Nitin Kumar Sinha | 6-3,7-5 | |
| ITF India F9 | 09/19 08:00 | 25 | Sood, Chandril v Nitin Kumar Sinha | 3-6,4-6 | |
| ITF India F9 | 09/18 05:00 | 54 | Nitin Kumar Sinha v Siddhant Banthia | 6-3,6-2 | |
| ITF India F9 | 09/18 03:30 | 54 | Nitin Kumar Sinha v Ballekere Ravikumar, Nikshep | 6-7,6-4,6-2 | |
| ITF Thailand F6 Qual | 08/12 07:20 | 44 | Kerdlaphee, Phongsapak v Nitin Kumar Sinha | 6-7,7-6,6-2 | |
| ITF Thailand F5 Qual | 08/05 02:30 | 44 | Butts, Skyler v Nitin Kumar Sinha | 6-1,6-4 |