| 2026-05-17 18:00:0017/05/2026 | Antalyaspor | 1 - 0 | Kocaelispor | 18:00:0018:00 | N/A |
| 2026-05-09 18:00:0009/05/2026 | Kocaelispor | 0 - 1 | Karagümrük | 18:00:0018:00 | N/A |
| 2026-05-03 18:00:0003/05/2026 | Kasımpaşa | 1 - 1 | Kocaelispor | 18:00:0018:00 | N/A |
| 2026-04-26 12:30:0026/04/2026 | Genclerbirligi | 1 - 0 | Kocaelispor | 12:30:0012:30 | N/A |
| 2026-04-18 15:00:0018/04/2026 | Kocaelispor | 1 - 1 | Goztepe | 15:00:0015:00 | N/A |
| 2026-04-12 18:00:0012/04/2026 | Galatasaray | 1 - 1 | Kocaelispor | 18:00:0018:00 | N/A |
| 2026-04-06 18:00:0006/04/2026 | Kocaelispor | 0 - 0 | Başakşehir | 18:00:0018:00 | N/A |
| 2026-03-18 13:00:0018/03/2026 | Alanyaspor | 5 - 0 | Kocaelispor | 13:00:0013:00 | N/A |
| 2026-03-14 10:30:0014/03/2026 | Kocaelispor | 1 - 2 | Konyaspor | 10:30:0010:30 | N/A |
| 2026-03-09 13:00:0009/03/2026 | Eyüpspor | 0 - 1 | Kocaelispor | 13:00:0013:00 | N/A |
| 2026-02-28 13:00:0028/02/2026 | Kocaelispor | 0 - 1 | Beşiktaş | 13:00:0013:00 | N/A |
| 2026-02-20 17:00:0020/02/2026 | Rizespor | 2 - 0 | Kocaelispor | 17:00:0017:00 | N/A |
| 2026-02-15 11:30:0015/02/2026 | Kocaelispor | 3 - 0 | Gaziantep | 11:30:0011:30 | N/A |
| 2026-02-09 14:00:0009/02/2026 | Kayserispor | 1 - 2 | Kocaelispor | 14:00:0014:00 | N/A |
| 2026-02-02 17:00:0002/02/2026 | Kocaelispor | 0 - 2 | Fenerbahçe | 17:00:0017:00 | N/A |
| 2026-01-24 14:00:0024/01/2026 | Samsunspor | 0 - 0 | Kocaelispor | 14:00:0014:00 | N/A |
| 2026-01-18 14:00:0018/01/2026 | Kocaelispor | 1 - 2 | Trabzonspor | 14:00:0014:00 | N/A |
| 2025-12-19 17:00:0019/12/2025 | Kocaelispor | 2 - 1 | Antalyaspor | 17:00:0017:00 | N/A |
| 2025-12-14 14:00:0014/12/2025 | Karagümrük | 1 - 1 | Kocaelispor | 14:00:0014:00 | N/A |
| 2025-12-07 14:00:0007/12/2025 | Kocaelispor | 0 - 0 | Kasımpaşa | 14:00:0014:00 | N/A |
| 2025-11-28 17:00:0028/11/2025 | Kocaelispor | 1 - 0 | Genclerbirligi | 17:00:0017:00 | N/A |
| 2025-11-23 11:30:0023/11/2025 | Goztepe | 0 - 0 | Kocaelispor | 11:30:0011:30 | N/A |
| 2025-11-09 14:00:0009/11/2025 | Kocaelispor | 1 - 0 | Galatasaray | 14:00:0014:00 | N/A |
| 2025-10-31 17:00:0031/10/2025 | Başakşehir | 1 - 0 | Kocaelispor | 17:00:0017:00 | N/A |
| 2025-10-25 15:00:0025/10/2025 | Kocaelispor | 2 - 0 | Alanyaspor | 15:00:0015:00 | N/A |
| 2025-10-18 12:30:0018/10/2025 | Konyaspor | 2 - 3 | Kocaelispor | 12:30:0012:30 | N/A |
| 2025-10-04 15:00:0004/10/2025 | Kocaelispor | 1 - 0 | Eyüpspor | 15:00:0015:00 | N/A |
| 2025-09-29 18:00:0029/09/2025 | Beşiktaş | 3 - 1 | Kocaelispor | 18:00:0018:00 | N/A |
| 2025-09-21 15:00:0021/09/2025 | Kocaelispor | 1 - 1 | Rizespor | 15:00:0015:00 | N/A |
| 2025-09-14 17:00:0014/09/2025 | Gaziantep | 2 - 0 | Kocaelispor | 17:00:0017:00 | N/A |
| 2025-08-30 17:00:0030/08/2025 | Kocaelispor | 1 - 1 | Kayserispor | 17:00:0017:00 | N/A |
| 2025-08-23 19:30:0023/08/2025 | Fenerbahçe | 3 - 1 | Kocaelispor | 19:30:0019:30 | N/A |
| 2025-08-16 17:00:0016/08/2025 | Kocaelispor | 0 - 1 | Samsunspor | 17:00:0017:00 | N/A |
| 2025-08-11 19:30:0011/08/2025 | Trabzonspor | 1 - 0 | Kocaelispor | 19:30:0019:30 | N/A |
