Mackenzie Mcdonald defeated Frederik Nielsen 6-4 6-4 in the Tiburon CH round of 32 on hard. The upset overturned the form book — Frederik Nielsen came in leading the head-to-head 1–0. Mackenzie Mcdonald claimed a first win over Frederik Nielsen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-01-12 | USA F4 | R16 | hard | Frederik Nielsen | 7-6(2) 6-4 |
Averages over each player's completed matches in the selected window (200 vs 171). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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