

Jannik Sinner defeated Frances Tiafoe 6-3 6-4 in the Vienna quarter-final on hard. The result followed the form book — Jannik Sinner came in ranked #1, leading the head-to-head 4–1, defending last year's quarter-final. Jannik Sinner extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-03-18 | Miami Masters | QF | hard | Jannik Sinner | 6-2 6-2 |
| 2024-08-12 | Cincinnati Masters | F | hard | Jannik Sinner | 7-6(4) 6-2 |
| 2021-10-25 | Vienna | SF | hard | Frances Tiafoe | 3-6 7-5 6-2 |
| 2019-11-05 | NextGen Finals | RR | hard | Jannik Sinner | 3-4(4) 4-2 4-2 4-2 |
| 2019-10-14 | Antwerp | QF | hard | Jannik Sinner | 6-4 3-6 6-3 |
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 (200 vs 190). 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.