Stadium: Court 1 Round: 25
| Challenger - Pune | 2018/11/17 06:00 | Nitin Kumar Sinha v Hossam, Youssef | 3-6,4-6 |
| Challenger Bangalore | 2018/11/10 10:35 | Nitin Kumar Sinha v Lucas Gerch | 3-6,4-6 |
| ITF Thailand F8 | 2018/11/04 04:30 | Dubinsky, Vladislav v Nitin Kumar Sinha | 6-4,6-3 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Robert Strombachs v Nitin Kumar Sinha | 6-1,6-4 |
| ITF Vietnam F5 | 2018/10/28 05:30 | Nitin Kumar Sinha v Bun, Kenny | 6-2,6-3 |
| ITF Vietnam F5 | 2018/10/27 06:00 | Nitin Kumar Sinha v Our, Sarith | 6-1,6-0 |
| ITF Vietnam F4 | 2018/10/24 02:30 | Nitin Kumar Sinha v Pungliya, Jayesh | 6-2,3-6,3-6 |
| ITF Vietnam F4 | 2018/10/22 02:30 | Nitin Kumar Sinha v Jesse Delaney | 7-6,6-3 |
| Challenger Kobe | 2018/11/10 05:30 | Moritani, Soichiro v Tung-Lin Wu | 2-6,6-4,3-6 |
| Thailande F6, Qualifications Simples | 2018/10/09 02:30 | Spec, Matic v Moritani, Soichiro | 6-1,5-7,6-3 |
| ITF Thailand F5 | 2018/10/03 05:30 | Moritani, Soichiro v Takeuchi, Kento (1987) | 4-6,5-7 |
| ITF Thailand F5 | 2018/10/01 04:00 | Wishaya Trongcharoenchaikul v Moritani, Soichiro | 3-6,6-7 |
| ITF Thailand F4 | 2018/09/27 02:30 | Moritani, Soichiro v Shintaro Imai | 1-6,6-7 |
| ITF Thailand F4 | 2018/09/26 04:45 | Moritani, Soichiro v Singh, Dalwinder | 6-3,6-2 |
| ITF Thailand F4 | 2018/09/25 06:55 | Moritani, Soichiro v Kelsey Stevenson | 6-4,6-3 |
| ITF Thailand F3 | 2018/09/07 02:00 | Isarow, Pruchya v Moritani, Soichiro | 6-2,6-2 |