Stadium: Wisla Centrum 2 Round: 26 Ground: Clay
| ITF Tunisia F1 | 2018/01/09 08:30 | Peter Nagy v Luca Gelhardt | 6-4,6-0 |
| ITF Chile F3 | 2017/12/04 17:00 | Luca Gelhardt v Victor Nunez | 4-6,4-6 |
| ITF Chile F2 | 2017/11/28 15:00 | Tomas Gerini v Luca Gelhardt | 7-5,6-3 |
| ITF Chile F1 | 2017/11/21 14:30 | Juan Pablo Varillas v Luca Gelhardt | 4-6,6-3,6-1 |
| Challenger Santiago 2 Qual | 2017/11/11 13:00 | Nicolas Acevedo v Luca Gelhardt | 6-2,7-5 |
| ITF Egypt F28 | 2017/10/04 18:55 | Luca Gelhardt v Kirill Kivattsev | 2-6,3-6 |
| ITF Egypt F27 | 2017/09/26 14:00 | Luca Gelhardt v Francesco Vilardo | 6-7,1-6 |
| ITF Turkey F34 | 2017/09/12 10:30 | Luca Gelhardt v Shinta Fujii | 4-6,0-6 |
| ITF Czech Republic F12 | 2017/11/30 12:15 | Marvin Netuschil v Dominik Boehler | 6-7,6-2,4-6 |
| ITF Czech Republic F12 | 2017/11/29 16:05 | Marvin Netuschil v Andres Gabriel Ciurletti | 7-6,6-1 |
| ITF Italy F34 | 2017/10/18 15:15 | Marvin Netuschil v Julian Lenz | 1-6,6-4,4-6 |
| ITF Italy F34 | 2017/10/16 14:45 | Marvin Netuschil v Gibril Diarra | 6-4,5-7,7-6 |
| ITF Italy F33 | 2017/10/11 14:30 | Julian Lenz v Marvin Netuschil | 6-4,4-6,6-3 |
| ITF Italy F33 | 2017/10/10 13:00 | Rudy Richter v Marvin Netuschil | 2-6,2-6 |
| ITF Belgium F12 | 2017/09/10 13:00 | Marvin Netuschil v Benjamin Hassan | 4-6,6-4,6-2 |
| ITF Belgium F12 | 2017/09/09 13:35 | Marvin Netuschil v Jonas Merckx | 7-6,6-3 |