| ITF Tunisia F7 | 2014/11/14 11:05 | Germain Gigounon v Ken Onishi | 6-2,7-5 |
| ITF Tunisia F7 | 2014/11/13 08:30 | Christian Hirschmueller v Ken Onishi | 3-6,3-6 |
| ITF Tunisia F7 | 2014/11/09 12:30 | David Micevski v Ken Onishi | 6-7,2-6 |
| ITF Japan F8 | 2014/06/24 03:10 | Sho Katayama v Ken Onishi | 6-2,6-3 |
| ITF Hungary F2 | 2014/06/11 08:00 | Kirill Dmitriev v Ken Onishi | 6-0,6-3 |