Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF Tunisia F9 | 2018/03/07 11:05 | Ken Onishi v Thomas Brechemier | 6-4,6-7,6-7 |
| ITF Tunisia F8 | 2018/02/28 11:20 | Anis Ghorbel v Ken Onishi | 6-4,1-6,6-2 |
| ITF Tunisia F7 | 2018/02/22 08:30 | Ken Onishi v Johan Sebastien Tatlot | 4-6,3-6 |
| ITF Tunisia F7 | 2018/02/20 09:00 | Ken Onishi v Mousheg Hovhannisyan | 4-6,7-6,6-0 |
| Challenger Launceston Qual | 2018/02/04 00:25 | Marinko Matosevic v Ken Onishi | 6-4,6-0 |
| Challenger Launceston Qual | 2018/02/03 04:20 | Ken Onishi v Shinta Fujii | 6-0,4-6,6-3 |
| Challenger Burnie Qual | 2018/01/27 04:00 | Ken Onishi v Gavin Van Peperzeel | 5-7,7-6,4-6 |
| Challenger Burnie Qual | 2018/01/27 01:10 | Ken Onishi v Calum Puttergill | 6-0,6-1 |
| ITF Egypt F9 | 2018/03/11 08:00 | Phongsapak Kerdlaphee v Siphosothando Montsi | 2-6,4-6 |
| ITF Egypt F8 | 2018/03/03 12:30 | Phongsapak Kerdlaphee v Stephan Gerritsen | 1-6,4-6 |
| ITF Egypt F7 | 2018/02/24 08:00 | Wilfredo Gonzalez v Phongsapak Kerdlaphee | 6-2,6-3 |
| ITF Egypt F6 | 2018/02/17 08:00 | Phongsapak Kerdlaphee v Marko Vejnovic | 1-6,5-7 |
| ITF Thailand F12 | 2017/12/12 03:00 | Yan Sabanin v Phongsapak Kerdlaphee | 6-1,2-6,6-4 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Miliaan Niesten v Phongsapak Kerdlaphee | 6-3,6-2 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Phongsapak Kerdlaphee v Jae-Min Seol | 6-4,6-3 |
| ITF Thailand F10 | 2017/11/27 05:35 | Phongsapak Kerdlaphee v Rubin Statham | 3-6,1-6 |