Stadium: Court 3 Round: 25 Ground: Clay
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Filip Duda v Ondrej Styler | 5-7,4-6 |
| ITF Czech Republic F2 | 2018/05/24 10:05 | Michal Konecny v Filip Duda | 6-3,6-4 |
| ITF Czech Republic F2 | 2018/05/23 12:05 | Petr Nouza v Filip Duda | 4-6,2-6 |
| ITF Czech Republic F1 | 2018/05/16 10:50 | Filip Duda v Petr Nouza | 4-6,2-6 |
| ITF Tunisia F15 | 2018/04/17 11:30 | Filip Duda v Domagoj Biljesko | 6-1,3-6,6-4 |
| ITF Tunisia F14 | 2018/04/10 12:40 | Filip Duda v Hugo Voljacques | 2-6,6-7 |
| ITF Tunisia F9 | 2018/03/09 09:00 | Filip Duda v Mitchell Thomas McDaniels | 6-7,6-3,3-6 |
| ITF Tunisia F9 | 2018/03/08 10:40 | Filip Duda v Aziz Ouakaa | 6-2,6-4 |
| ITF Singapore F3 | 2018/05/29 04:05 | Takuto Niki v Congsup Congcar | 5-7,1-6 |
| ITF Singapore F2 | 2018/05/26 03:00 | Takuto Niki v Collin Altamirano | 6-7,3-6 |
| ITF Singapore F2 | 2018/05/24 03:00 | Daniel Nolan v Takuto Niki | 6-1,6-7,4-6 |
| ITF Singapore F2 | 2018/05/23 02:00 | Takuto Niki v Nicholas S. Hu | 6-4,6-4 |
| ITF Singapore F2 | 2018/05/22 03:50 | James Frawley v Takuto Niki | 6-2,4-6,1-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Ho-Gi Kang v Takuto Niki | 6-7,6-2,0-6 |
| ITF Japan F6 | 2018/04/11 01:00 | Makoto Ochi v Takuto Niki | 7-5,6-3 |
| ITF Japan F5 | 2018/04/04 01:00 | Takuto Niki v Hiroyasu Ehara | 2-6,6-2,4-6 |