Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F32 | 2017/09/01 12:50 | Renta Tokuda v Gelhardt, Luca | 6-4,6-7,6-3 |
| ITF Turkey F32 | 2017/08/31 12:00 | Gelhardt, Luca v Silva, Caio | 4-6,7-5,6-3 |
| ITF Turkey F32 | 2017/08/29 14:00 | Berg, Conor v Gelhardt, Luca | 6-7,2-6 |
| ITF Belgium F10 | 2017/08/23 11:30 | Vanneste, Jeroen v Gelhardt, Luca | 6-3,6-1 |
| ITF Belgium F10 | 2017/08/22 16:00 | Hersey, Jake v Gelhardt, Luca | 1-6,4-6 |
| ITF Belgium F9 | 2017/08/16 08:00 | Gelhardt, Luca v Antoine Hoang | 7-6,6-7,1-6 |
| ITF Belgium F9 | 2017/08/14 12:40 | Gelhardt, Luca v Meraut, Tristan | 1-6,7-5,6-3 |
| ITF Finland F1 | 2017/08/04 14:15 | Michon, Axel v Gelhardt, Luca | 6-1,6-3 |
| ITF China F1 | 2017/02/15 05:40 | Patrombon, Jeson v Trinker, Bastian | 3-6,6-4,4-6 |
| ITF USA F5 | 2017/01/25 17:05 | Pla Malfeito, Jaume v Trinker, Bastian | 3-6,2-6 |
| ITF USA F4 | 2017/01/17 15:00 | Emilio Gomez v Trinker, Bastian | 6-3,6-3 |
| ITF USA F3 | 2017/01/13 16:30 | Trinker, Bastian v Roberto Cid Subervi | 2-6,3-6 |
| ITF USA F3 | 2017/01/12 19:30 | Trinker, Bastian v Maciej Rajski | 1-6,6-4,7-6 |
| ITF USA F3 | 2017/01/11 18:25 | Trinker, Bastian v Genaro Alberto Olivieri | 7-6,6-3 |
| ITF Egypt F36 | 2016/12/07 10:35 | Sabry, Sherif v Trinker, Bastian | 4-6,3-6 |
| ITF Egypt F35 | 2016/12/01 08:30 | Trinker, Bastian v Weidinger, Dominic | 4-6,6-7 |