Stadium: La Foret 4 Round: 45 Ground: Hardcourt indoor
| Challenger Istanbul | 2018/09/10 07:30 | David Poljak v Tak Khunn Wang | 6-4,6-7,3-6 |
| Challenger Istanbul | 2018/09/09 10:10 | David Poljak v Timur Khabibulin | 6-4,6-2 |
| Challenger Zhangjiagang | 2018/09/02 06:50 | Di Wu v David Poljak | 6-3,6-4 |
| ITF Belarus F3 | 2018/08/24 07:00 | Francesco Vilardo v David Poljak | 6-4,3-6,6-2 |
| ITF Belarus F3 | 2018/08/23 07:00 | Giorgio Ricca v David Poljak | 2-6,4-6 |
| ITF Belarus F3 | 2018/08/22 09:35 | George Tsivadze v David Poljak | 3-6,3-6 |
| 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 |
| Challenger Cassis | 2018/09/03 10:50 | Jonathan Kanar v Yannick Jankovits | 7-6,6-3 |
| Challenger Cassis | 2018/09/02 10:25 | Tim Van Rijthoven v Yannick Jankovits | 7-6,3-6,3-6 |
| ITF Portugal F14 | 2018/08/10 12:00 | Yannick Jankovits v Fred Gil | 3-6,6-3,2-6 |
| ITF Portugal F14 | 2018/08/09 10:30 | Yannick Jankovits v Miguel Semedo | 6-1,6-1 |
| Challenger Segovia | 2018/07/31 12:35 | Yannick Jankovits v Adrian Menendez-Maceiras | 4-6,2-6 |
| Challenger Segovia Qual | 2018/07/30 10:30 | Yannick Jankovits v Nicolas Alvarez Varona | 7-6,6-1 |
| Challenger Segovia Qual | 2018/07/29 09:00 | Yannick Jankovits v Mick Lescure | 7-5,6-2 |
| Challenger Astana | 2018/07/19 08:55 | Yannick Jankovits v Alexei Popyrin | 6-7,5-7 |