Stadium: Pallazzetto Alzano Round: 46 Ground: Hardcourt indoor
| Challenger Ortisei | 2016/11/08 19:20 | Yannick Jankovits v Marc Sieber | 6-2,7-6 |
| Challenger Bergamo Qual | 2018/02/17 12:00 | Daniel Masur v Marc Sieber | 3-6,3-6 |
| Challenger Budapest Qual | 2018/02/04 11:30 | Marc Sieber v Alessandro Bega | 7-6,0-6,5-7 |
| Challenger Budapest Qual | 2018/02/03 08:30 | Jurabek Karimov v Marc Sieber | 1-6,3-6 |
| ITF Turkey F3 | 2018/01/26 09:30 | Dimitar Kuzmanov v Marc Sieber | 2-6,7-5,7-5 |
| ITF Turkey F3 | 2018/01/25 10:00 | Timur Kiyamov v Marc Sieber | 6-4,1-6,3-6 |
| ITF Turkey F3 | 2018/01/23 09:55 | Mubarak Shannan Zayid v Marc Sieber | 6-7,1-6 |
| ITF Turkey F2 | 2018/01/20 07:30 | Dimitar Kuzmanov v Marc Sieber | 6-1,4-6,7-5 |
| ITF Turkey F2 | 2018/01/19 08:40 | Marc Sieber v Gianluigi Quinzi | 7-5,6-4 |
| Challenger Bergamo Qual | 2018/02/17 13:20 | Yannick Jankovits v Andrea Pellegrino | 7-6,3-6,6-3 |
| ITF Great Britain F3 | 2018/02/13 14:55 | Frederik Nielsen v Yannick Jankovits | 6-2,3-6,6-3 |
| Challenger Budapest Qual | 2018/02/04 12:40 | Nikola Cacic v Yannick Jankovits | 6-4,6-1 |
| Challenger Budapest Qual | 2018/02/03 18:25 | Petr Nouza v Yannick Jankovits | 5-7,7-6,5-7 |
| ITF Egypt F2 | 2018/01/24 08:00 | Yannick Jankovits v Mate Valkusz | 2-6,2-6 |
| ITF Egypt F1 | 2018/01/17 08:00 | Yannick Jankovits v Omar Salman | 6-4,2-6,3-6 |
| ITF Greece F10 | 2017/11/26 08:00 | Yannick Jankovits v Yaraslav Shyla | 6-1,7-5 |
| ITF Greece F10 | 2017/11/25 09:00 | Mick Veldheer v Yannick Jankovits | 2-6,1-6 |