Stadium: Center Court Round: 45 Ground: Synthetic indoor
| ITF Greece F3 | 2017/03/18 09:30 | Richard Gabb v Ralph Regus | 6-3,6-2 |
| ITF Switzerland F1 Qual | 2017/02/06 09:00 | Duje Kekez v Ralph Regus | 7-5,2-6,7-6 |
| ITF Switzerland F1 Qual | 2017/02/05 11:30 | Ralph Regus v Luca Giacomelli | 6-2,6-7,7-5 |
| ITF Switzerland F1 Qual | 2017/02/04 11:30 | Ralph Regus v Maximilian Gatev | 6-4,6-0 |
| ITF Spain F1 | 2017/01/15 08:30 | Eduard Guell Bartrina v Ralph Regus | 6-1,3-6,6-4 |
| ITF Greece F10 Qual | 2016/11/12 07:00 | Shunsuke Wakita v Ralph Regus | 6-4,6-4 |
| ITF Greece F9 Qual | 2016/11/07 08:00 | Dennis Bogaert v Ralph Regus | 6-4,2-6,6-3 |
| ITF Germany F15 | 2016/10/15 08:00 | Gregor Ramskogler v Ralph Regus | 6-3,6-4 |
| ITF Austria F3 | 2017/07/21 12:00 | Filip Horansky v Robin Kern | 6-2,6-3 |
| ITF Austria F3 | 2017/07/20 10:50 | Robin Kern v Gabriel Schmidt | 6-1,6-2 |
| ITF Austria F3 | 2017/07/19 10:00 | Robin Kern v Pascal Brunner | 6-1,6-3 |
| ITF Austria F3 | 2017/07/18 08:00 | Robin Kern v Bernd Kossler | 6-3,3-6,6-3 |
| ITF Belgium F3 | 2017/07/05 12:00 | Robin Kern v Juan Pablo Ficovich | 5-7,2-6 |
| ITF Belgium F3 | 2017/07/04 08:35 | Arthur Rinderknech v Robin Kern | 6-4,5-7,1-6 |
| ITF Netherlands F2 | 2017/06/30 13:15 | Boy Westerhof v Robin Kern | 6-4,6-2 |
| ITF Netherlands F2 | 2017/06/29 11:00 | Robin Kern v Botic Van De Zandschulp | 3-6,6-4,7-6 |