Round: 44 Ground: Hardcourt outdoor
| ITF - Thailand F6 | 2018/10/10 04:55 | Nitin Kumar Sinha v Felix Corwin | 1-6,3-6 |
| ITF - Thailand F6 | 2018/10/08 03:30 | Pruchya Isarow v Nitin Kumar Sinha | 4-6,2-6 |
| ITF - Thailand F3 | 2018/09/03 03:00 | Pruchya Isarow v Nitin Kumar Sinha | 6-2,6-2 |
| ITF - Thailand F2 | 2018/08/29 04:55 | Nitin Kumar Sinha v Dayne Kelly | 6-3,2-6,2-6 |
| ITF - Thailand F2 | 2018/08/28 06:25 | Nitin Kumar Sinha v Kelsey Stevenson | 7-5,5-7,7-5 |
| ITF - Thailand F1 | 2018/08/22 02:00 | Ronnie Schneider v Nitin Kumar Sinha | 6-0,6-2 |
| ITF - Indonesien F3 | 2018/08/09 03:00 | Nitin Kumar Sinha v Daniel Nolan | 2-6,6-7 |
| ITF - Indonesien F3 | 2018/08/08 02:30 | Nitin Kumar Sinha v Sho Shimabukuro | 3-6,7-6,7-5 |
| ITF - Vietnam F3 | 2018/05/14 03:00 | Quang T Tran v Min-Kyu Song | 1-6,1-6 |