Stadium: Court 3 Round: 25
| ITF Netherlands F4 | 2018/08/16 08:00 | Jesper De Jong v Filip Duda | 6-3,5-7,6-4 |
| ITF Netherlands F4 | 2018/08/14 07:30 | Filip Duda v Takuto Niki | 5-7,6-2,6-0 |
| ITF Austria F6 | 2018/08/08 09:00 | Gabriel Schmidt v Filip Duda | 6-2,6-4 |
| ITF Austria F6 | 2018/08/07 09:00 | Filip Duda v Thomas Brechemier | 6-4,7-5 |
| ITF Austria F4 | 2018/07/25 08:00 | Filip Duda v Takuto Niki | 6-7,6-3,7-5 |
| ITF Austria F4 | 2018/07/24 08:00 | Filip Duda v Georg Winkler | 7-5,6-0 |
| ITF Austria F3 | 2018/07/17 11:25 | Filip Duda v Mick Veldheer | 1-6,6-7 |
| ITF Austria F2 | 2018/07/11 09:00 | Peter Heller v Filip Duda | 3-6,7-6,6-1 |
| ITF Belarus F3 | 2018/08/21 07:00 | Dzianis Zharyn v David Poljak | 1-6,1-6 |
| ITF Belarus F2 | 2018/08/19 07:00 | David Poljak v Sergey Betov | 5-7,6-1,0-6 |
| ITF Belarus F2 | 2018/08/17 07:00 | Ivan Liutarevich v David Poljak | 6-7,6-4,4-6 |
| ITF Belarus F2 | 2018/08/16 07:00 | David Poljak v Aliaksandr Bulitski | 6-4,6-3 |
| ITF Belarus F2 | 2018/08/15 07:00 | David Poljak v Koray Kirci | 7-6,4-6,6-2 |
| ITF Belarus F2 | 2018/08/14 10:40 | David Poljak v Denis Matsukevich | 7-6,6-3 |
| Challenger Portoroz Qual | 2018/08/06 08:00 | David Poljak v Altug Celikbilek | 3-6,6-3,3-6 |
| Challenger Portoroz Qual | 2018/08/05 09:05 | Antoine Escoffier v David Poljak | 5-7,4-6 |