Guy Den Heijer defeated Alec Deckers 6-3 6-7 10-4 in the M25 Alkmaar 1 q32 on clay. The upset overturned the form book — Alec Deckers came in leading the head-to-head 1–0. Guy Den Heijer claimed a first win over Alec Deckers in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-11 | M15 Heraklion 6 | R16 | hard | Alec Deckers | 6-4 7-6(2) |
Averages over each player's completed matches in the selected window (108 vs 166). ATP, WTA & Challenger.
Deckers A.: 2 days rest · 3 matches, 85 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