
Gabriel Diallo defeated Sebastian Baez 7-5 6-4 in the Cincinnati Masters round of 64 on hard. The upset overturned the form book — Sebastian Baez came in ranked #57, leading the head-to-head 1–0, defending last year's round of 32. Gabriel Diallo claimed a first win over Sebastian Baez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-31 | Bucharest | R16 | clay | Sebastian Baez | 7-6(5) 2-6 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (73 vs 79). ATP, WTA & Challenger.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.