

James Duckworth defeated Ben Shelton 7-6 4-6 6-3 in the Stuttgart round of 16 on grass. The upset overturned the form book — Ben Shelton came in ranked #6. James Duckworth extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-01-02 | Adelaide 1 | Q1 | hard | James Duckworth | 6-3 7-6 |
Averages over each player's completed matches in the selected window (176 vs 170). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Duckworth J.: 6 days rest · 2 matches, 56 games (7d) · Shelton B.: 5 days rest · 2 matches, 42 games (7d). Higher means fresher. About
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 grass field, opponent-adjusted over 52 weeks). About