Stadium: Court 8 Round: 54
| ITF Singapore F2 | 2017/05/30 07:15 | Congsup Congcar v Ken Onoda | 7-5,3-6,2-6 |
| ITF Singapore F3 | 2018/05/26 03:00 | Ken Onoda v Kenneth Chua | 6-2,6-0 |
| 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 Singapore F2 | 2018/05/19 03:00 | Kaito Uesugi v Congsup Congcar | 6-1,6-2 |
| ITF Singapore F1 | 2018/05/16 04:15 | Nicholas S. Hu v Congsup Congcar | 6-3,6-4 |
| ITF Singapore F1 | 2018/05/15 02:00 | Skyler Butts v Congsup Congcar | 2-6,2-6 |
| Challenger Bangkok | 2018/01/09 03:00 | Congsup Congcar v Alessandro Bega | 5-7,4-6 |
| Challenger Bangkok Qual | 2017/12/30 06:50 | Mikhail Elgin v Congsup Congcar | 6-2,7-6 |
| ITF Hong Kong F5 | 2017/12/23 02:00 | Yuto Sakai v Congsup Congcar | 6-4,6-4 |
| ITF Thailand F12 | 2017/12/12 08:10 | Renta Tokuda v Congsup Congcar | 6-1,6-0 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Young Seok Kim v Congsup Congcar | 3-6,6-1,6-3 |