Igor Dudun defeated Ivan Zaytsev 6-4 6-2 in the M15 Al Zahra 2 q16 on hard. The upset overturned the form book — Ivan Zaytsev came in leading the head-to-head 1–0. Igor Dudun claimed a first win over Ivan Zaytsev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-27 | M15 Zahra 1 | Q32 | hard | Ivan Zaytsev | 6-4 6-4 |