Stadium: Court 3 Round: 25
| Challenger Meerbusch | 2018/08/15 12:25 | Dimitar Kuzmanov v Nicola Kuhn | 4-6,4-6 |
| Challenger Meerbusch | 2018/08/13 10:20 | Gleb Sakharov v Dimitar Kuzmanov | 3-6,0-6 |
| Challenger Sopot | 2018/07/31 14:30 | Roberto Marcora v Dimitar Kuzmanov | 6-3,6-3 |
| Challenger Sopot Qual | 2018/07/30 15:15 | Dimitar Kuzmanov v Jan Zielinski | 6-0,6-1 |
| Challenger Sopot Qual | 2018/07/30 09:55 | Dimitar Kuzmanov v Grzegorz Panfil | 5-7,6-3,7-6 |
| Challenger Tampere Qual | 2018/07/23 08:00 | Dimitar Kuzmanov v Tristan Lamasine | 6-7,6-3,4-6 |
| Challenger Tampere Qual | 2018/07/22 08:50 | Dimitar Kuzmanov v Tom Kocevar-Desman | 6-4,2-6,6-3 |
| Challenger Tampere | 2018/07/21 09:45 | Dimitar Kuzmanov v Panu Virtanen | 6-2,6-0 |
| ITF Poland F8 | 2018/08/20 08:00 | Vitalii Shcherba v Mikolaj Borkowski | 6-2,6-4 |
| ITF Poland F7 | 2018/08/15 12:00 | Jeremy Jahn v Vitalii Shcherba | 6-1,6-0 |
| ITF Poland F7 | 2018/08/13 09:20 | Vitalii Shcherba v Daniil Tsebrenko | 6-1,6-1 |
| ITF Poland F7 | 2018/08/12 11:00 | Vitalii Shcherba v Lorenzo Di Maro | 6-1,6-1 |
| ITF Slovakia F3 | 2018/08/05 08:00 | Vitalii Shcherba v Jiri Jenicek | 2-6,6-1,3-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 12:10 | Frank Dancevic v Vitalii Shcherba | 6-0,6-1 |
| ITF Ukraine F3 | 2018/05/21 07:00 | Giorgio Ricca v Vitalii Shcherba | 6-3,6-1 |
| ITF Ukraine F2 | 2018/05/14 07:00 | Vitalii Shcherba v Oleg Dolgosheyev | 3-6,3-6 |