Stadium: WSG Grandstand Round: 25 Ground: Clay
| Challenger Sopot | 2018/07/31 09:00 | Gleb Sakharov v Jan Choinski | 6-0,4-6,1-6 |
| Challenger Tampere | 2018/07/23 10:00 | Gleb Sakharov v Filippo Baldi | 6-7,2-6 |
| ITF Germany F8 | 2018/07/17 11:00 | Gleb Sakharov v Vasile Antonescu | 6-7,6-1,3-6 |
| Challenger Perugia | 2018/07/12 19:00 | Gleb Sakharov v Marco Trungelliti | 6-4,5-7,4-6 |
| Challenger Perugia | 2018/07/10 12:40 | Gleb Sakharov v Joao Domingues | 4-6,6-3,6-3 |
| Challenger Marburg | 2018/07/04 11:40 | Gleb Sakharov v Elliot Benchetrit | 3-6,0-6 |
| Challenger Marburg | 2018/07/03 10:00 | Rogerio Dutra Silva v Gleb Sakharov | 4-6,4-6 |
| Wimbledon Qual | 2018/06/25 14:05 | Norbert Gombos v Gleb Sakharov | 6-2,6-3 |
| 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 |
| Challenger San Benedetto Qual | 2018/07/14 13:20 | Dimitar Kuzmanov v Antonio Massara | 5-7,4-6 |
| ITF Germany F5 | 2018/07/01 10:00 | Sekou Bangoura v Dimitar Kuzmanov | 1-6,5-7 |