| ITF Singapore F2 | 2018/05/20 03:00 | Kazuki Nishiwaki v Ken Onoda | 6-1,6-2 |
| ITF Singapore F2 | 2018/05/19 02:00 | Jonathan-kyle Tan v Ken Onoda | 6-7,2-6 |
| ITF Singapore F1 | 2018/05/14 02:00 | Mousheg Hovhannisyan v Ken Onoda | 6-0,6-1 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Masayoshi Ono v Ken Onoda | 6-2,6-4 |
| ITF Japan F5 | 2018/04/01 00:30 | Ken Onoda v Masaki Sasai | 3-6,1-6 |
| ITF Japan F5 | 2018/03/31 00:30 | Takashi Saito v Ken Onoda | 3-6,4-6 |
| ITF Greece F3 | 2018/03/10 07:30 | Federico Moreno v Ken Onoda | 6-3,6-4 |
| ITF Greece F2 | 2018/03/04 08:00 | Duje Ajdukovic v Ken Onoda | 7-5,7-6 |
| ITF Singapore F1 | 2018/05/12 04:00 | Kenneth Chua v Timothy Lim | 2-6,0-6 |
| ITF Singapore F1 | 2017/06/04 04:00 | Yutaro Matsuzaki v Kenneth Chua | 6-0,6-0 |
| ITF Singapore F2 Qual | 2017/05/28 03:00 | Aryan Goveas v Kenneth Chua | 6-0,6-0 |
| ITF Singapore F1 Qual | 2017/05/21 03:00 | Marc-Andrea Huesler v Kenneth Chua | 6-0,6-2 |
| ITF Indonesia F3 Qual | 2017/02/18 05:10 | Roy Hobbs v Kenneth Chua | 6-1,6-0 |
| ITF Indonesia F1 Qual | 2017/02/04 06:20 | Panji Untung Setiawan v Kenneth Chua | 6-1,6-1 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Kenneth Chua v Jeamoon Lee | 0-6,0-6 |