Stadium: Campo 1 Round: 46 Ground: Clay
| Challenger Bergamo Qual | 2018/02/18 10:50 | Marc Sieber v Yannick Jankovits | 2-6,6-3,3-6 |
| 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 South Africa F3 | 2017/12/08 10:10 | Thomas Fancutt v Pawel Juszczak | 6-2,5-7,6-3 |
| ITF South Africa F3 | 2017/12/07 12:10 | Tyler Hochwalt v Pawel Juszczak | 3-6,2-6 |
| ITF South Africa F3 | 2017/12/06 12:30 | Siphosothando Montsi v Pawel Juszczak | 3-6,2-6 |
| ITF South Africa F2 | 2017/12/01 09:10 | Pawel Juszczak v Leny Mitjana | 5-7,6-7 |
| ITF South Africa F2 | 2017/11/30 07:30 | Pawel Juszczak v Alexander Day | 7-6,6-4 |
| ITF South Africa F2 | 2017/11/29 13:20 | Pawel Juszczak v Clement Larriere | 6-0,6-2 |
| ITF Egypt F33 | 2017/11/11 13:30 | Pawel Juszczak v Viktor Durasovic | 3-6,4-6 |
| ITF Egypt F33 | 2017/11/10 13:30 | Anton Zaitcev v Pawel Juszczak | 3-6,2-6 |