Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F4 | 2018/09/28 03:00 | Takeuchi, Kento (1987) v Singh, Karunuday | 7-6,6-0 |
| ITF Thailand F4 | 2018/09/27 02:30 | Tanuma, Ryota v Singh, Karunuday | 2-6,6-7 |
| ITF Thailand F4 | 2018/09/26 02:30 | Singh, Karunuday v Jumpei Yamasaki | 6-4,7-5 |
| ITF Thailand F4 | 2018/09/25 04:30 | Abhinav Sanjeev Shanmugam v Singh, Karunuday | 2-6,2-6 |
| ITF Thailand F3 | 2018/09/06 02:00 | Wishaya Trongcharoenchaikul v Singh, Karunuday | 2-6,7-6,6-3 |
| ITF Thailand F3 | 2018/09/05 02:00 | Navasirisomboon, Jirat v Singh, Karunuday | 3-6,4-6 |
| ITF Thailand F3 | 2018/09/04 04:10 | Kelsey Stevenson v Singh, Karunuday | 3-6,3-6 |
| ITF Thailand F2 | 2018/08/27 07:05 | Du Toit, Lance-Pierre v Singh, Karunuday | 3-6,6-4,6-4 |
| ITF Thailand F5 | 2018/10/01 02:30 | Felix Corwin v Daisuke Sumizawa | 6-1,6-2 |
| ITF Thailand F5 | 2018/09/30 02:30 | Felix Corwin v Reynolds, Rob | 6-4,6-0 |
| ITF Thailand F5 | 2018/09/29 02:30 | Felix Corwin v Chopra, Ankit | 6-4,6-2 |
| ITF Thailand F4 | 2018/09/26 04:40 | Felix Corwin v Takeuchi, Kento (1987) | 5-7,5-7 |
| ITF Thailand F4 | 2018/09/24 02:30 | Felix Corwin v Kerdlaphee, Phongsapak | 6-2,6-4 |
| ITF Thailand F4 | 2018/09/23 04:00 | Felix Corwin v Sincharoenwattana, Nutdanai | 6-1,6-3 |
| ITF Thailand F4 | 2018/09/22 02:30 | Felix Corwin v Ro, Hyun Su | 6-0,6-0 |
| Canada F7, Singles | 2018/09/13 15:00 | Felix Corwin v Nick Chappell | 3-6,3-6 |