Aleksander Chayka defeated Lorenzo Sciahbasi 6-4 7-6 in the M15 Bucharest 3 round of 32 on clay. The upset overturned the form book — Lorenzo Sciahbasi came in leading the head-to-head 3–0. Aleksander Chayka claimed a first win over Lorenzo Sciahbasi in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-12 | M15 Sharm ElSheikh 3 | R32 | hard | Lorenzo Sciahbasi | 6-0 6-1 |
| 2025-01-28 | M15 Sharm ElSheikh 1 | Q16 | hard | Lorenzo Sciahbasi | 7-6(3) 6-2 |
| 2023-01-31 | M15 Sharm ElSheikh 1 | Q16 | hard | Lorenzo Sciahbasi | 6-3 3-6 10-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.