Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| Challenger Charlottesville | 2018/10/31 19:15 | Polansky, Peter v Kamke, Tobias | 7-5,7-5 |
| Challenger Charlottesville | 2018/10/29 21:05 | Kamke, Tobias v Dominik Koepfer | 6-1,3-6,6-1 |
| Challenger Tashkent | 2018/10/12 10:00 | Kamil Majchrzak v Kamke, Tobias | 7-6,6-3 |
| Challenger Tashkent | 2018/10/11 07:00 | Evgeny Karlovskiy v Kamke, Tobias | 6-7,1-6 |
| Challenger Tashkent | 2018/10/10 06:00 | Kamke, Tobias v Mohamed Safwat | 6-0,7-5 |
| Challenger Tashkent | 2018/10/09 09:20 | Rubin Statham v Kamke, Tobias | 4-6,3-6 |
| Challenger Almaty 2 | 2018/10/04 06:00 | Kamke, Tobias v Lukas Rosol | 1-6,4-6 |
| Challenger Almaty 2 | 2018/10/03 04:30 | Kamke, Tobias v Denis Yevseyev | 2-6,6-2,6-0 |
| Basel, Switzerland | 2018/10/20 13:40 | Granollers, Marcel v Mackenzie McDonald | 2-6,4-6 |
| Antwerp, Belgium | 2018/10/17 15:00 | Granollers, Marcel v Cameron Norrie | 3-6,2-6 |
| Antwerp, Belgium | 2018/10/15 10:35 | Granollers, Marcel v Salvatore Caruso | 6-4,5-7,6-2 |
| Antwerp, Belgium | 2018/10/14 12:50 | Granollers, Marcel v Mertens, Yannick | 6-4,6-4 |
| Monterrey, Mexico | 2018/10/06 00:05 | Granollers, Marcel v Ernesto Escobedo | 6-7,6-7 |
| Monterrey, Mexico | 2018/10/04 20:00 | Granollers, Marcel v Quiroz, Roberto | 6-7,7-6,7-5 |
| Monterrey, Mexico | 2018/10/03 02:30 | Granollers, Marcel v Harrison Adams | 6-4,6-4 |
| Challenger Tiburon | 2018/09/30 21:30 | Granollers, Marcel v Michael Mmoh | 3-6,5-7 |