Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Andria MD | 2018/11/23 12:30 | Kolar Z / Oliveira G v Drzewiecki/Walkow | 6-3,3-6,6-10 |
| Challenger Andria MD | 2018/11/22 12:40 | Kolar Z / Oliveira G v Granollers G / Menendez-Maceiras A | 6-3,7-5 |
| Challenger Andria MD | 2018/11/21 15:45 | Gille/Vliegen v Kolar Z / Oliveira G | 6-4,6-7,7-10 |
| Challenger Sibiu MD | 2018/09/20 13:50 | Kolar Z / Oliveira G v Bednarek T / Pel D | 4-6,3-6 |
| Challenger Sibiu MD | 2018/09/19 15:00 | Dima/Sels v Kolar Z / Oliveira G | 4-6,2-6 |
| Challenger Bastad MD | 2018/07/14 09:00 | Heliovaara H / Laaksonen H v Kolar Z / Oliveira G | 6-4,6-3 |
| Challenger Bastad MD | 2018/07/13 13:00 | Kolar Z / Oliveira G v Gonzales R / Lammons N | 6-7,6-4,10-7 |
| Challenger Bastad MD | 2018/07/10 14:00 | Eriksson Ziverts J / Friberg K v Kolar Z / Oliveira G | 2-6,3-6 |