Round: 23 Ground: Hardcourt outdoor
| ATP Cincinnati Qual | 2015/08/16 20:15 | Marsel Ilhan v Thanasi Kokkinakis | 4-6,6-2,4-6 |
| ATP Cincinnati Qual | 2015/08/15 20:10 | Marsel Ilhan v Nikoloz Basilashvili | 4-6,6-4,7-6 |
| ATP Bastad | 2015/07/21 12:05 | Ernests Gulbis v Marsel Ilhan | 6-2,6-0 |
| Davis Cup | 2015/07/17 09:00 | Marsel Ilhan v Egor Gerasimov | 6-7,4-6,6-3,6-2,9-7 |
| Wimbledon | 2015/07/01 14:30 | Marsel Ilhan v Kevin Anderson | 7-6,6-7,4-6,4-6 |
| Wimbledon | 2015/06/29 17:15 | Marsel Ilhan v Jerzy Janowicz | 7-6,6-4,6-7,6-3 |
| ATP Madrid Qual | 2015/05/03 12:10 | Daniel Gimeno-Traver v Marsel Ilhan | 6-2,6-3 |
| ATP Madrid Qual | 2015/05/02 10:20 | Roberto Ortega-Olmedo v Marsel Ilhan | 3-6,5-7 |
| Challenger Aptos Qual | 2015/08/10 20:15 | Mischa Zverev v Radek Stepanek | 6-4,7-5 |
| ATP Newport | 2015/07/14 17:10 | Radek Stepanek v Jack Sock | 2-6,0-6 |
| Wimbledon | 2015/06/30 15:50 | Radek Stepanek v Aljaz Bedene | 5-7,6-1,6-4,3-6,4-6 |
| Challenger Heilbronn | 2015/05/12 16:10 | Radek Stepanek v Matthias Bachinger | 3-6,5-7 |
| Challenger Rome | 2015/05/05 15:00 | Adrian Ungur v Radek Stepanek | 6-3,6-7,7-6 |
| ATP Munich | 2015/04/29 12:45 | Roberto Bautista-Agut v Radek Stepanek | 6-0,6-3 |
| ATP Munich Qual | 2015/04/26 10:05 | Radek Stepanek v Daniel Brands | 4-6,6-4,7-6 |
| Challenger Sarasota | 2015/04/13 23:00 | Radek Stepanek v Jared Donaldson | 3-6,6-7 |