Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| Challenger Quimper - MD | 2018/01/29 16:00 | Basic/Setkic v Tsitsipas/Tsitsipas | 6-4,3-6,10-7 |
| Challenger Andria - MD | 2017/11/22 14:15 | Sonego/Vavassori v Basic/Setkic | 6-1,6-2 |
| Challenger Rennes - MD | 2018/01/28 12:30 | Gille/Vliegen v Arends/Sancic | 6-3,6-7,10-7 |
| Challenger Rennes - MD | 2018/01/26 11:30 | Balaji/Vardhan v Arends/Sancic | 4-6,4-6 |
| Challenger Koblenz - MD | 2018/01/21 11:00 | Arends/Sancic v Arneodo/Weissborn | 7-6,5-7,6-10 |
| Challenger Koblenz - MD | 2018/01/20 11:30 | Arends/Sancic v Panfil/Uzhylovskyi | 6-4,3-6,11-9 |
| Challenger Koblenz - MD | 2018/01/18 15:35 | Arends/Sancic v Kolar/Pavlasek | 7-6,2-6,10-5 |
| Challenger Bratislava - MD | 2017/11/11 16:10 | Arends/Sancic v Skupski/Skupski | 7-5,3-6,8-10 |
| Challenger Bratislava - MD | 2017/11/07 17:55 | Arends/Sancic v Margaroli/Weissborn | 6-4,4-6,10-6 |
| Challenger Brest - MD | 2017/10/29 12:30 | Arends/Sancic v Clayton/Sharan | 6-4,7-5 |