

Adam Walton defeated Daniil Medvedev 6-7 6-4 6-1 in the Cincinnati Masters round of 64 on hard. The upset overturned the form book — Daniil Medvedev came in ranked #7, defending last year's round of 32. Adam Walton extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-26 | Roland Garros | R128 | clay | Adam Walton | 6-2 1-6 6-1 1-6 6-4 |
| 2025-10-13 | Almaty | R16 | hard | Daniil Medvedev | 7-5 7-6 |
Averages over each player's completed matches in the selected window (105 vs 108). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Walton A.: 2 days rest · 3 matches, 71 games (7d) · Medvedev D.: 2 days rest · 2 matches, 55 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 hard field, opponent-adjusted over 52 weeks). About