Round: 26 Ground: Clay
| Turkey F14, Singles Qualifying | 2017/04/12 09:40 | Marsel Ilhan v Mora, Daniel | 7-6,6-2 |
| Coupe Davis | 2017/04/07 08:00 | Marsel Ilhan v Lindell, Christian | 1-6,4-6,4-6 |
| Turkey F12, Singles Qualifying | 2017/03/31 08:00 | Marsel Ilhan v Podzus, Martins | 4-6,6-7 |
| Turkey F12, Singles Qualifying | 2017/03/30 09:05 | Marsel Ilhan v Grimolizzi, Gaston-Arturo | 6-4,6-3 |
| Turkey F12, Singles Qualifying | 2017/03/29 09:05 | Marsel Ilhan v Silva, Caio | 6-2,6-2 |
| ITF Israel F2 | 2017/03/22 11:45 | Marsel Ilhan v Bar, Dekel | 1-6,5-7 |
| ITF Israel F2 | 2017/03/21 14:05 | Marsel Ilhan v Bulis, Mor | 6-3,6-2 |
| ITF Israel F1 | 2017/03/15 07:00 | Marsel Ilhan v Bulis, Mor | 6-3,4-6,3-6 |
| Turkey F14, Singles Qualifying | 2017/04/11 07:30 | Navarro, Simon v Onken, Julian | 2-6,7-6,2-6 |
| ITF Croatia F4 | 2017/03/28 12:00 | Onken, Julian v Martin, Andrej | 4-6,7-6,1-6 |
| ITF Croatia F3 | 2017/03/21 09:00 | Jurij Rodionov v Onken, Julian | 2-6,7-6,6-1 |
| ITF Croatia F2 | 2017/03/16 12:05 | Riba, Pere v Onken, Julian | 6-1,6-2 |
| ITF Croatia F2 | 2017/03/15 09:00 | Onken, Julian v Mylokostov, Denys | 6-4,7-5 |
| ITF Croatia F2 | 2017/03/13 10:00 | Onken, Julian v Marco Miceli | 6-3,6-2 |
| ITF Croatia F2 | 2017/03/12 13:45 | Onken, Julian v Vachtl, Jiri | 6-1,6-0 |
| ITF Croatia F2 | 2017/03/12 08:30 | Onken, Julian v Johannson-Holm, Jakob | 5-7,6-3,6-1 |