Altug Celikbilek defeated Yosuke Watanuki 6-3 6-7 6-3 in the Porto CH round of 32 on hard. The upset overturned the form book — Yosuke Watanuki came in leading the head-to-head 2–0, but Altug Celikbilek had been the form player, winning 6 of their last 8 on hard. Altug Celikbilek claimed a first win over Yosuke Watanuki in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-03 | Wimbledon | Q2 | grass | Yosuke Watanuki | 7-6 6-3 |
| 2023-06-28 | Wimbledon | Q64 | grass | Yosuke Watanuki | 7-6(4) 6-3 |
Averages over each player's completed matches in the selected window (200 vs 198). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About