| ITF M25 Kassel | 07/15 11:00 | 54 | Nitin Kumar Sinha v Mike Loccisano | 6-3,6-3 | |
| ITF M15 Kamen | 06/24 12:00 | 54 | Nitin Kumar Sinha v Kenneth Raisma | 4-6,1-6 | |
| ITF M15 Kamen | 06/24 08:00 | 54 | Nitin Kumar Sinha v Luis Diego Chavez Villalpando | 6-1,4-6,10-8 | |
| ITF M15 Kaltenkirchen | 06/10 13:00 | 54 | Tadeas Paroulek v Nitin Kumar Sinha | 6-4,6-3 | |
| ITF M15 Kaltenkirchen | 06/10 08:00 | 54 | Hasan Ibrahim v Nitin Kumar Sinha | 6-3,3-6,5-10 | |
| ITF M15 Plovdiv | 06/04 06:30 | 54 | Nitin Kumar Sinha v Aliaksandr Liaonenka | 3-6,6-2,9-11 | |
| ITF M15 Plovdiv | 06/03 10:00 | 54 | Nitin Kumar Sinha v Mathieu Scaglia | 6-1,1-6,10-6 | |
| ITF M15 Troisdorf | 05/06 07:00 | 54 | Nitin Kumar Sinha v Maximilian Dietel | 6-1,4-6,1-10 | |
| ITF M15 Antalya | 03/28 08:30 | 26 | Nitin Kumar Sinha v Marvin Netuschil | 5-7,2-6 | |
| ITF M15 Antalya | 03/26 07:00 | 25 | Nitin Kumar Sinha v David Juras | 6-1,6-1 | |
| ITF M15 Antalya | 03/18 07:15 | 45 | Nitin Kumar Sinha v Sandro Kopp | 4-6,1-6 | |
| ITF M15 Antalya | 03/12 10:00 | 45 | Nitin Kumar Sinha v Sarp Agabigun | 6-2,6-7,4-10 | |
| ITF M15 Antalya | 03/11 07:15 | 45 | Nitin Kumar Sinha v Ruben Busch | 7-6,6-0 | |
| ITF M15 Anning | 01/11 04:40 | 27 | Kazuki Nishiwaki v Nitin Kumar Sinha | 6-7,6-2,6-4 | |
| ITF M15 Anning | 01/10 07:15 | 26 | Li-Wie Tan v Nitin Kumar Sinha | 6-3,5-7,4-6 | |
| ITF M15 Anning | 01/08 02:30 | 25 | Nitin Kumar Sinha v Hong Kit Wong | 6-4,6-1 | |
| ITF M15 Anning | 01/03 03:55 | 26 | Jung-Woong Na v Nitin Kumar Sinha | 6-4,6-4 | |
| ITF M15 Anning | 01/01 03:30 | 25 | Nitin Kumar Sinha v Soichiro Moritani | 6-1,6-7,6-3 | |
| Challenger Pune | 11/17 06:00 | 45 | Nitin Kumar Sinha v Youssef Hossam | 3-6,4-6 | |
| Challenger Bangalore | 11/10 10:35 | 45 | Nitin Kumar Sinha v Lucas Gerch | 3-6,4-6 | |
| ITF Thailand F8 | 11/04 04:30 | 44 | Vladislav Dubinsky v Nitin Kumar Sinha | 6-4,6-3 | |
| ITF Vietnam F5 | 10/30 03:00 | 25 | Robert Strombachs v Nitin Kumar Sinha | 6-1,6-4 | |
| ITF Vietnam F5 | 10/28 05:30 | 44 | Nitin Kumar Sinha v Kenny Bun | 6-2,6-3 | |
| ITF Vietnam F5 | 10/27 06:00 | 44 | Nitin Kumar Sinha v Sarith Our | 6-1,6-0 | |
| ITF Vietnam F4 | 10/24 02:30 | 25 | Nitin Kumar Sinha v Jayesh Pungliya | 6-2,3-6,3-6 | |
| ITF Vietnam F4 | 10/24 02:30 | 25 | Nitin Kumar Sinha v Guillermo Olaso | Cancelled | |
| ITF Vietnam F4 | 10/22 02:30 | 44 | Nitin Kumar Sinha v Jesse Delaney | 7-6,6-3 | |
| ITF Vietnam F4 | 10/21 03:00 | 44 | Nitin Kumar Sinha v Quang T Tran | 6-0,6-0 | |
| ITF Thailand F6 | 10/10 04:55 | 26 | Nitin Kumar Sinha v Felix Corwin | 1-6,3-6 | |
| ITF Thailand F6 | 10/08 03:30 | 25 | Pruchya Isaro v Nitin Kumar Sinha | 4-6,2-6 |