| 2021-01-05 | Antalya | Hard | R32 | 564 |  Adrian Andreev (Q) | 571 |  Marsel Ilhan (WC) | 6-4 6-3 | H2H | 3 | 75 | 0 | 0 | 78.8% | 70.7% | 54.5% | 1/2 |
| 2018-04-30 | Istanbul | Clay | R32 | 78 |  Malek Jaziri | 334 | Marsel Ilhan (WC) | 6-1 6-2 | H2H | 3 | 52 | 3 | 0 | 72.3% | 73.5% | 84.6% | 2/2 |
| 2017-06-26 | Antalya | Grass | R16 | 252 |  Daniel Altmaier (LL) | 287 | Marsel Ilhan (WC) | 6-3 3-6 7-6(5) | H2H | 3 | 148 | 15 | 5 | 58.5% | 75.8% | 38.6% | 2/6 |
| 2017-06-26 | Antalya | Grass | R32 | 287 | Marsel Ilhan (WC) | 44 |  Martin Klizan (8) | 6-6 RET | H2H | 3 | 52 | 14 | 2 | 52.5% | 95.2% | 52.6% | 2/2 |
| 2017-02-03 | Davis Cup G2 R1: TUR vs CYP | - | RR | 238 | Marsel Ilhan | 1505 |  Menelaos Efstathiou | 5-7 1-6 6-4 7-6(5) 6-4 | H2H | 5 | 213 | 10 | 7 | 60.4% | 70.7% | 43.1% | 3/11 |
| 2017-02-03 | Davis Cup G2 R1: TUR vs CYP | - | RR | 238 | Marsel Ilhan | 1365 | Petros Chrysochos | 5-7 7-5 7-6(2) 6-4 | H2H | 5 | 181 | 14 | 4 | 56.2% | 74.4% | 40.6% | 10/16 |
| 2017-04-07 | Davis Cup G2 R2: SWE vs TUR | Clay | RR | 363 |  Christian Lindell | 284 | Marsel Ilhan | 6-1 6-4 6-4 | H2H | 5 | 128 | 5 | 2 | 66.3% | 76.4% | 60.7% | 1/2 |
| 2016-07-15 | Davis Cup G2 R2: TUR vs BIH | Clay | RR | 210 | Marsel Ilhan | 135 |  Mirza Basic | 7-6(9) 5-7 2-6 6-3 7-5 | H2H | 5 | 214 | 9 | 8 | 57.6% | 68.4% | 61.1% | 8/14 |
| 2016-07-15 | Davis Cup G2 R2: TUR vs BIH | Clay | RR | 80 | Damir Dzumhur | 210 | Marsel Ilhan | 6-3 6-0 7-6(5) | H2H | 5 | 119 | 0 | 4 | 70.0% | 65.1% | 55.6% | 5/9 |
| 2016-05-23 | Roland Garros | Clay | R128 | 161 |  Steve Darcis | 198 | Marsel Ilhan | 6-3 6-4 6-0 | H2H | 5 | 99 | 6 | 1 | 62.4% | 77.4% | 56.3% | 6/7 |
