| 2024-09-13 | Davis Cup WG1 R1: AUT vs TUR | Clay | RR | 262 |  Lukas Neumayer | 474 |  Cem Ilkel | 7-6(3) 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2024-09-13 | Davis Cup WG1 R1: AUT vs TUR | Clay | RR | 262 | Lukas Neumayer | 474 | Cem Ilkel | 7-6(3) 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2024-02-02 | Davis Cup WG1 PO: NZL vs TUR | Hard | RR | 716 |  Kiranpal Pannu | 284 | Cem Ilkel | 6-3 6-2 | H2H | 3 | 104 | 2 | 2 | 68.5% | 75.7% | 52.9% | 4/5 |
| 2023-11-06 | Sofia | Hard | QF | 82 |  Jack Draper | 259 | Cem Ilkel (WC) | 6-2 6-2 | H2H | 3 | 75 | 6 | 0 | 63.4% | 88.5% | 66.7% | 0/0 |
| 2023-11-06 | Sofia | Hard | R16 | 259 | Cem Ilkel (WC) | 45 |  Max Purcell (6) | 6-3 4-6 6-4 | H2H | 3 | 126 | 11 | 0 | 62.4% | 74.1% | 60.0% | 3/4 |
| 2023-11-06 | Sofia | Hard | R32 | 259 | Cem Ilkel (WC) | 189 |  Dimitar Kuzmanov (WC) | 6-0 6-3 | H2H | 3 | 84 | 5 | 1 | 61.0% | 84.0% | 56.3% | 0/0 |
| 2023-02-03 | Davis Cup WG1 PO: TUR vs SLO | - | RR | 304 | Cem Ilkel | 678 | SLOBor Artnak | 6-2 7-6(5) | H2H | 3 | - | - | - | - | - | - | - |
| 2022-09-26 | Tel Aviv | Hard | R32 | 44 |  Sebastian Korda | 382 | Cem Ilkel (Q) | 6-4 6-4 | H2H | 3 | 81 | 0 | 2 | 63.9% | 66.7% | 63.6% | 1/2 |
| 2022-09-17 | Davis Cup WG1 R1: COL vs TUR | Clay | RR | 75 |  Daniel Elahi Galan | 365 | Cem Ilkel | 6-2 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2022-03-04 | Davis Cup WG1 PO: UZB vs TUR | Hard | RR | 189 | Cem Ilkel | 821 |  Sergey Fomin | 7-6(2) 7-6(4) | H2H | 3 | 118 | 8 | 1 | 64.3% | 74.1% | 56.7% | 2/4 |
