| Challenger Kobe Qual | 2017/11/04 03:35 | Renta Tokuda v Ken Onoda | 6-0,7-6 |
| ITF Thailand F8 Qual | 2017/10/07 03:00 | Chien Hsun Lo v Ken Onoda | 3-6,6-3,6-2 |
| ITF Thailand F7 Qual | 2017/10/01 08:35 | Woo-Ram Kim v Ken Onoda | 6-3,7-5 |
| ITF Thailand F5 Qual | 2017/08/07 02:30 | Ronnie Schneider v Ken Onoda | 6-4,6-4 |
| ITF Thailand F5 Qual | 2017/08/06 07:10 | Thien Nguyen Hoang v Ken Onoda | 6-4,6-7,1-6 |
| ITF Thailand F4 Qual | 2017/07/31 05:10 | Arata Onozawa v Ken Onoda | 6-3,6-3 |
| ITF Thailand F4 Qual | 2017/07/30 08:35 | Suthinan Tanthaseraneewat v Ken Onoda | 4-6,7-5,1-6 |
| ITF Guam F1 | 2017/06/23 01:55 | Ken Onoda v Takao Suzuki | 3-6,3-6 |
| ITF USA F32 | 2017/09/23 01:30 | Kyler Jirasook v Eric Samuelsson | 0-6,2-6 |
| ITF USA F30 | 2017/09/08 20:30 | Kyler Jirasook v Ross Watson | 4-6,4-6 |