Stadium: Court 2 Round: 26 Ground: Grass
| ATP Stuttgart MD | 2018/06/14 12:00 | Lindstedt/Matkowski v Mirnyi/Oswald | 6-3,6-4 |
| ATP Stuttgart MD | 2018/06/13 14:50 | Nys/Shapovalov v Mirnyi/Oswald | 5-7,3-6 |
| French Open MD | 2018/05/29 09:00 | Cabal/Farah v Mirnyi/Oswald | 7-6,7-6 |
| ATP Geneva MD | 2018/05/20 15:05 | Mirnyi/Oswald v Bellier/Nikles | 6-3,1-6,5-10 |
| ATP Munich MD | 2018/05/03 11:45 | Puetz/Struff v Mirnyi/Oswald | 7-5,7-5 |
| ATP Munich MD | 2018/05/02 09:00 | Masur/Molleker v Mirnyi/Oswald | 6-3,5-7,6-10 |
| ATP Budapest MD | 2018/04/24 15:20 | Mirnyi/Oswald v Inglot/Skugor | 6-4,5-7,7-10 |
| ATP Houston MD | 2018/04/14 23:45 | Mirnyi/Oswald v Begemann/Sancic | 6-7,6-4,11-9 |