
Elias Ymer defeated Mackenzie Mcdonald 7-6 4-6 6-4 in the Acapulco qualifying round 1 on hard. The upset overturned the form book — Mackenzie Mcdonald came in ranked #144, but Elias Ymer had been the form player, winning 1 of their last 4 on hard. Elias Ymer extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-21 | Acapulco | Q16 | hard | Elias Ymer | 7-6(7) 4-6 6-4 |
| 2018-01-15 | Australian Open | R128 | hard | Mackenzie Mcdonald | 6-4 6-3 4-6 6-1 |
Averages over each player's completed matches in the selected window (23 vs 26). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Ymer E.: 2 days rest · 2 matches, 39 games (7d) · Mcdonald M.: 1 day rest · 1 match, 22 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