Stadium: Court 5 Round: 45 Ground: Hardcourt outdoor
| ITF Turkey F40 | 2018/12/13 07:00 | Mick Veldheer v Tadeas Paroulek | 7-5,4-6,2-6 |
| ITF Turkey F40 | 2018/12/11 07:00 | Vladimir Korolev v Mick Veldheer | 7-5,1-6,3-6 |
| ITF Turkey F39 | 2018/12/05 09:55 | Mick Veldheer v Bart Stevens | 5-7,2-6 |
| ITF Turkey F33 | 2018/10/25 07:00 | Mick Veldheer v Peter Heller | 1-6,1-6 |
| ITF Turkey F33 | 2018/10/23 07:55 | Mick Veldheer v Shendrit Deari | 6-2,6-0 |
| ITF Turkey F32 | 2018/10/19 07:00 | Antonio Massara v Mick Veldheer | 1-6,6-3,6-3 |
| ITF Turkey F32 | 2018/10/18 07:00 | Mick Veldheer v Juan Pablo Paz | 6-4,6-3 |
| ITF Turkey F32 | 2018/10/16 07:00 | Maxim Ratniuk v Mick Veldheer | 6-4,4-6,4-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Ken Onishi v Samuel Puskar | 3-6,3-6 |
| ITF Hungary F4 | 2018/06/12 11:25 | Patricio Heras v Ken Onishi | 3-6,6-3,6-1 |
| ITF Hungary F4 Qual | 2018/06/11 08:00 | Ken Onishi v Kristjan Tamm | 6-3,2-6,6-3 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Ken Onishi v Boris Butulija | 6-4,6-7,6-4 |
| ITF Czech Republic F3 | 2018/05/31 12:35 | Marek Jaloviec v Ken Onishi | 6-2,6-3 |
| ITF Hungary F3 | 2018/05/23 08:00 | Samuel Bensoussan v Ken Onishi | 6-1,6-4 |
| ITF Hungary F3 | 2018/05/22 11:20 | Ken Onishi v Matej Maruscak | 6-1,6-4 |
| ITF Bosnia and Herzegovina F1 | 2018/05/16 12:30 | Ken Onishi v Fran Zvonimir Zgombic | 6-2,3-6,4-6 |