All countries
| 10. Round | Giresunspor | Besiktas | details | 15.11.2026 14:30 | |||
| 1/32-finals - Second leg | Aon Fivers | Besiktas | 42:36 (18:17, 24:19) | details | 24.10.2026 | |||
| 1/32-finals - First leg | Besiktas | Aon Fivers | 38:31 (20:14, 18:17) | details | 17.10.2026 | |||
| 8. Round | Besiktas | Istanbul Genclik Spor Kulubu | 47:39 (23:21, 24:18) | details | 14.10.2026 | |||
| 7. Round | Beykoz Bld. | Besiktas | 28:45 (13:24, 15:21) | details | 10.10.2026 | |||
| 6. Round | Mihaliccik | Besiktas | 28:51 (15:24, 13:27) | details | 03.10.2026 | |||
| 10. Round | Giresunspor | Besiktas | details | 15.11.2026 14:30 | |||
| 9. Round | Goztepe | Besiktas | details | 18.11.2026 15:00 | |||
| 11. Round | Besiktas | Spor Toto | details | 22.11.2026 12:00 | |||
| 1/16-finals - First leg | Besiktas | Sassari | details | 27.11.2026 15:00 | |||
| 1/16-finals - Second leg | Sassari | Besiktas | details | 28.11.2026 15:00 | |||
| 13. Round | Besiktas | Bursa Nilufer Belediyespor | details | 05.12.2026 17:00 | |||