Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger - Sibiu | 2018/09/17 12:00 | Michal Dembek v Zdenek Kolar | 5-7,3-6 |
| Challenger - Stettin | 2018/09/08 13:15 | Michal Dembek v Alejandro Davidovich Fokina | 5-7,6-7 |
| ITF Poland F7 | 2018/08/13 12:25 | Christopher Heyman v Michal Dembek | 6-2,7-5 |
| ITF Poland F6 | 2018/08/06 13:20 | Michal Dembek v Kacper Zuk | 5-7,6-1,6-7 |
| Challenger Sopot | 2018/07/30 12:30 | Daniel Michalski v Michal Dembek | 6-2,6-4 |
| ITF Georgia F2 | 2018/07/18 08:00 | Michal Dembek v Shahin Khaledan | 3-6,4-6 |
| ITF Georgia F1 | 2018/07/10 08:05 | Michal Dembek v Maxim Ratniuk | 2-6,1-6 |
| ITF Sri Lanka F3 | 2018/06/28 04:00 | Manish Sureshkumar v Michal Dembek | 6-3,6-3 |
| ITF Thailand F4 | 2018/09/29 03:00 | Kento Takeuchi v Shintaro Imai | 2-6,6-4,3-6 |
| ITF Thailand F4 | 2018/09/27 02:30 | Soichiro Moritani v Shintaro Imai | 1-6,6-7 |
| ITF Thailand F4 | 2018/09/26 04:55 | Congsup Congcar v Shintaro Imai | 4-6,3-6 |
| ITF Thailand F4 | 2018/09/24 04:00 | Matic Spec v Shintaro Imai | 6-7,3-6 |
| Challenger - Zhangjiagang | 2018/09/03 03:15 | Shintaro Imai v Sidharth Rawat | 3-6,1-6 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Shintaro Imai v Jung-Woong Na | 4-6,2-6 |
| Challenger Jinan | 2018/08/04 08:20 | Shintaro Imai v Tung-Lin Wu | 2-6,3-6 |
| Challenger Granby Qual | 2018/07/22 21:30 | Jacob Grills v Shintaro Imai | 6-4,6-1 |