Stadium: Court 1 Round: 26
| Challenger Almaty 2 | 2018/10/01 06:00 | Quentin Halys v Tobias Kamke | 2-6,4-6 |
| ATP Metz | 2018/09/16 08:00 | Tobias Kamke v Mats Moraing | 6-7,2-6 |
| Challenger - Istanbul | 2018/09/11 09:50 | Tobias Kamke v Corentin Moutet | 4-6,2-6 |
| Challenger Cassis | 2018/09/06 15:00 | Ugo Humbert v Tobias Kamke | 6-4,7-6 |
| Challenger Cassis | 2018/09/04 15:15 | Tobias Kamke v Aleksandr Nedovyesov | 7-5,6-4 |
| Challenger Portoroz | 2018/08/08 18:50 | Andrea Arnaboldi v Tobias Kamke | 6-2,1-6,6-4 |
| Challenger Portoroz | 2018/08/06 15:00 | Tobias Kamke v Aljaz Radinski | 6-0,6-2 |
| Challenger - Liberec | 2018/07/31 09:40 | Zsombor Piros v Tobias Kamke | 7-5,6-3 |
| Challenger Almaty 2 | 2018/10/01 06:00 | Ivan Nedelko v Denis Yevseyev | 4-6,6-4,4-6 |
| Challenger - Istanbul | 2018/09/10 09:30 | Denis Yevseyev v Matteo Viola | 6-7,4-6 |
| Challenger Jinan | 2018/08/10 09:50 | Denis Yevseyev v Alexei Popyrin | 3-6,6-3,3-6 |
| Challenger Jinan | 2018/08/09 10:40 | Harri Heliovaara v Denis Yevseyev | 2-6,4-6 |
| Challenger Jinan | 2018/08/06 07:30 | Danilo Petrovic v Denis Yevseyev | 4-6,2-6 |
| Challenger Chengdu | 2018/08/03 03:00 | Denis Yevseyev v Akira Santillan | 5-7,2-6 |
| Challenger Chengdu | 2018/08/01 08:50 | Alexei Popyrin v Denis Yevseyev | 1-6,6-7 |
| Challenger Chengdu | 2018/07/30 03:00 | Denis Yevseyev v Maverick Banes | 7-5,6-1 |