Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F2 | 2017/06/12 03:00 | Hady Habib v Singh, Karunuday | 4-6,6-1,6-4 |
| ITF Thailand F1 | 2017/06/07 04:20 | Thomas Fancutt v Singh, Karunuday | 6-3,4-6,4-6 |
| ITF Thailand F1 | 2017/06/06 05:05 | Hovhannisyan, Mousheg v Singh, Karunuday | 6-3,3-6,5-7 |
| ITF Singapore F2 | 2017/05/31 04:45 | Singh, Karunuday v Kelly, Dayne | 2-6,6-1,4-6 |
| ITF Singapore F1 | 2017/05/23 02:00 | Singh, Karunuday v Moritani, Soichiro | 5-7,3-6 |
| ITF Indonesia F6 | 2017/04/13 03:00 | Singh, Karunuday v Chen, Ti | 6-3,6-7,2-6 |
| ITF Indonesia F6 | 2017/04/11 03:00 | Singh, Karunuday v Lee, Dong-Kyu | 3-6,6-4,6-3 |
| ITF Indonesia F5 | 2017/04/05 03:00 | Singh, Karunuday v Klein, Brydan | 6-7,3-6 |
| ITF Japan F8 | 2017/06/15 03:05 | Onozawa, Arata v Sano, Koichi | 6-2,1-6,0-6 |
| ITF Japan F8 | 2017/06/14 03:00 | Johan Nikles v Onozawa, Arata | 1-6,0-6 |
| ITF Japan F7 | 2017/06/06 01:00 | Onozawa, Arata v Sasai, Masaki | 6-3,2-6,3-6 |
| ITF Japan F6 | 2017/05/30 03:30 | Sakai, Yuto v Onozawa, Arata | 7-6,7-5 |
| ITF Singapore F1 Qual | 2017/05/21 04:00 | Onozawa, Arata v Look, Michael | 4-6,7-6,4-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Onozawa, Arata v Kawakami, Rimpei | 3-6,6-2,2-6 |
| ITF Japan F3 | 2017/03/18 06:00 | Onozawa, Arata v Fujii, Sota | 6-4,6-3 |
| Challenger Kyoto Qual | 2017/02/19 05:25 | Wang, Jimmy v Onozawa, Arata | 6-3,6-4 |