

James Duckworth defeated Adrian Mannarino 6-3 6-2 in the Stuttgart round of 32 on grass. The upset overturned the form book — Adrian Mannarino came in ranked #52, leading the head-to-head 3–1. James Duckworth narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-14 | Los Cabos | R32 | hard | James Duckworth | 6-3 6-4 |
| 2024-02-05 | Dallas | QF | hard | Adrian Mannarino | 6-2 3-1 |
| 2022-01-17 | Australian Open | R128 | hard | Adrian Mannarino | 6-4 2-6 3-6 6-2 6-1 |
| 2016-07-11 | Newport | R32 | grass | Adrian Mannarino | 6-7 7-6 7-6 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Duckworth J.: 5 days rest · 2 matches, 56 games (7d) · Mannarino A.: 7 days rest · 1 match, 17 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