| ITF Thailand F2 | 2017/06/11 05:00 | Calum Puttergill v Nitin Kumar Sinha | 6-2,6-3 |
| ITF Thailand F2 | 2017/06/10 06:30 | Kento Tagashira v Nitin Kumar Sinha | 3-6,0-6 |
| ITF India F5 | 2016/09/13 06:05 | Niki Kaliyanda Poonacha v Nitin Kumar Sinha | 6-2,6-2 |
| ITF India F5 | 2016/09/11 03:30 | Nitin Kumar Sinha v Pedro Scocuglia | 6-7,6-0,6-2 |
| ITF India F5 | 2016/09/10 03:30 | Nitin Kumar Sinha v Tejas Chaukulkar | 4-6,6-4,6-3 |
| ITF India F4 | 2016/09/07 04:30 | N. Vijay Sundar Prashanth v Nitin Kumar Sinha | 6-3,6-3 |
| ITF India F4 | 2016/09/05 05:30 | Rishab Agarwal v Nitin Kumar Sinha | 2-6,7-5,5-7 |
| ITF India F4 | 2015/09/14 06:15 | Nitin Kumar Sinha v Isa Mammetgulyyev | 0-6,1-6 |
| ITF Thailand F2 | 2017/06/13 03:00 | Calum Puttergill v Natthasith Kunsuwan | 6-3,6-3 |
| ITF Thailand F1 | 2017/06/06 05:05 | Thomas Fancutt v Natthasith Kunsuwan | 6-4,6-2 |
| ITF Thailand F1 | 2017/06/04 03:00 | Thanapet Chanta v Natthasith Kunsuwan | 4-6,1-6 |
| ITF Thailand F1 | 2017/06/03 07:00 | Werapath Sirijatiyaporn v Natthasith Kunsuwan | 1-6,4-6 |
| Challenger Bangkok Qual | 2016/12/31 04:45 | Natthasith Kunsuwan v Albano Olivetti | 1-6,4-6 |
| ITF Thailand F5 | 2016/12/17 06:00 | Yan Sabanin v Natthasith Kunsuwan | 6-4,6-4 |
| ITF Thailand F5 | 2016/12/17 03:30 | Natthasith Kunsuwan v Congsup Congcar | 7-5,7-6 |
| ITF Thailand F4 | 2016/12/10 09:00 | Natthasith Kunsuwan v Andrei Levine | 5-7,4-6 |