Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F13 | 2018/03/31 08:30 | Ken Onishi v Phongsapak Kerdlaphee | 6-4,6-2 |
| 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 |
| ITF Turkey F13 | 2018/03/31 06:30 | Gilbert S K Junior v Juan P Canas Garcia | 6-2,6-1 |
| ITF Turkey F12 | 2018/03/25 07:00 | Francisco Cerundolo v Gilbert S K Junior | 6-1,7-5 |
| ITF Turkey F12 | 2018/03/24 06:30 | Gilbert S K Junior v Felipe Garla | 6-0,6-3 |
| ITF Slovakia F3 | 2017/08/06 12:00 | Darko Bojanovic v Gilbert S K Junior | 6-2,6-3 |
| ITF Slovakia F2 | 2017/08/01 07:00 | Gilbert S K Junior v Samm Butler | 2-6,6-4,1-6 |
| ITF Slovakia F2 | 2017/07/31 09:00 | Andrew Watson v Gilbert S K Junior | 6-7,2-6 |
| ITF Italy F23 Qual | 2017/07/22 14:30 | Lorenzo Papasidero v Gilbert S K Junior | 4-6,6-3,6-1 |
| ITF Austria F3 | 2017/07/15 12:30 | Gilbert S K Junior v Christian Oliveira | 3-6,2-6 |