Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF Thailand F11 Qual | 2017/12/02 06:00 | Suksumrarn, Thantub v Grozdanov, Tihomir | 6-7,2-6 |
| ITF Thailand F8 Qual | 2017/10/07 03:00 | Navasirisomboon, Jirat v Suksumrarn, Thantub | 4-6,7-5,6-1 |
| ITF Thailand F5 | 2016/12/17 02:30 | Suksumrarn, Thantub v Abzalov, Sharobiddin | 6-7,6-7 |
| ITF Thailand F4 | 2016/12/10 09:00 | Sanhui Shin v Suksumrarn, Thantub | 6-2,6-2 |
| ITF Thailand F4 | 2016/12/10 04:30 | Jirapoomdaje, Pawin v Suksumrarn, Thantub | 2-6,3-6 |
| ITF Thailand F3 Qual | 2016/09/04 05:00 | Kaewsuto, Chayanon v Suksumrarn, Thantub | 7-5,6-2 |
| ITF Thailand F3 Qual | 2016/09/03 07:35 | Suksumrarn, Thantub v Stefan Vujic | 6-4,5-7,6-3 |
| ITF M25 Kassel | 2019/07/16 09:50 | Nitin Kumar Sinha v Daljev, Pavle | 6-0,4-6,7-10 |
| ITF M25 Kassel | 2019/07/15 11:00 | Nitin Kumar Sinha v Loccisano, Mike | 6-3,6-3 |
| ITF M15 Kamen | 2019/06/24 12:00 | Nitin Kumar Sinha v Kenneth Raisma | 4-6,1-6 |
| ITF M15 Kamen | 2019/06/24 08:00 | Nitin Kumar Sinha v Chavez Villalpando, Luis Diego | 6-1,4-6,10-8 |
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/10 13:00 | Paroulek, Tadeas v Nitin Kumar Sinha | 6-4,6-3 |
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/10 08:00 | Ibrahim, Hasan v Nitin Kumar Sinha | 6-3,3-6,5-10 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/04 06:30 | Nitin Kumar Sinha v Aliaksandr Liaonenka | 3-6,6-2,9-11 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/03 10:00 | Nitin Kumar Sinha v Mathieu Scaglia | 6-1,1-6,10-6 |