Stadium: Court 2 Round: 45
| ITF Germany F8 Qual | 2018/07/15 12:30 | Karol Drzewiecki v Tim Seibert | 5-7,2-6 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Karol Drzewiecki v Daniil Tsebrenko | 7-5,6-3 |
| ITF Germany F7 | 2018/07/11 11:25 | Dominik Boehler v Karol Drzewiecki | 6-2,6-1 |
| ITF Romania F2 Qual | 2018/05/28 07:30 | Karol Drzewiecki v Andrei Stefan Apostol | 2-6,4-6 |
| ITF Poland F3 | 2018/05/15 09:30 | Sekou Bangoura v Karol Drzewiecki | 3-6,7-6,6-1 |
| ITF Poland F3 Qual | 2018/05/14 07:30 | Karol Drzewiecki v Filip Kucbel | 6-7,7-6,6-2 |
| ITF Poland F3 | 2018/05/13 07:00 | Karol Drzewiecki v Adam Mlazga | 6-2,6-7,6-1 |
| ITF Great Britain F2 | 2018/02/04 17:00 | Mason Recci v Karol Drzewiecki | 7-6,6-7,6-4 |
| Challenger Tampere Qual | 2018/07/22 07:30 | Jonathan Mridha v Viktor Durasovic | 6-3,3-6,6-7 |
| Challenger Tampere | 2018/07/21 08:45 | Andrei Iakovlev v Jonathan Mridha | 1-6,0-6 |
| Challenger Bastad | 2018/07/09 10:45 | Goncalo Oliveira v Jonathan Mridha | 6-4,7-5 |
| ITF Italy F16 | 2018/06/25 12:50 | Jonathan Mridha v Andrea Grazioso | 7-6,6-4 |
| ITF Italy F15 | 2018/06/19 11:40 | Jonathan Mridha v Omar Giacalone | 4-6,6-4,2-6 |
| ITF Qatar F4 | 2017/12/06 13:30 | Jonathan Mridha v Maxime Hamou | 6-7,3-6 |
| ITF Qatar F4 | 2017/12/05 17:10 | Fred Simonsson v Jonathan Mridha | 3-6,4-6 |
| ITF Finland F4 | 2017/11/14 16:55 | Emil Ruusuvuori v Jonathan Mridha | 7-6,2-6,7-6 |