James Duckworth defeated Jan Lennard Struff 6-7 6-4 6-4 in the Phoenix CH round of 32 on hard. The upset overturned the form book — Jan Lennard Struff came in ranked #74, leading the head-to-head 1–0, defending last year's round of 16. James Duckworth claimed a first win over Jan Lennard Struff in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-25 | St. Petersburg | R32 | carpet | Jan Lennard Struff | 7-6(3) 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 (25 vs 17). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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.
Duckworth J.: 9 days rest · 2 matches (14d) · Struff J.: 4 days rest · 2 matches, 87 games (7d). Higher means fresher. About