Stadium: Court 4 Round: 45 Ground: Hardcourt outdoor
| 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 |
| ITF Kazakhstan F8 | 2018/09/24 07:00 | George Tsivadze v Mikhail Fufygin | 4-6,6-3,3-6 |
| ITF Kazakhstan F7 | 2018/09/19 06:00 | George Tsivadze v Colin Van Beem | 6-7,2-6 |
| ITF Kazakhstan F7 | 2018/09/17 07:00 | George Tsivadze v Yan Sabanin | 6-2,6-1 |
| ITF Belarus F3 | 2018/08/22 09:35 | George Tsivadze v David Poljak | 3-6,3-6 |
| ITF Belarus F3 | 2018/08/21 08:40 | George Tsivadze v Beibit Zhukayev | 6-3,6-3 |
| ITF Belarus F3 | 2018/08/20 10:00 | George Tsivadze v Danila Moroz | 6-1,6-0 |
| ITF Belarus F3 | 2018/08/19 07:00 | George Tsivadze v Zhan Skindzer | 6-1,6-3 |
| ITF Belarus F2 | 2018/08/14 07:00 | George Tsivadze v Koray Kirci | 4-6,4-6 |