Noah Rubin defeated Mackenzie Mcdonald 6-4 7-5 in the New York qualifying round 1 on hard. The upset overturned the form book — Mackenzie Mcdonald came in leading the head-to-head 2–1, defending last year's round of 32, but Noah Rubin had been the form player, winning 2 of their last 5 on hard. Noah Rubin narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | Q1 | hard | Mackenzie Mcdonald | 6-1 6-0 |
| 2018-01-10 | Australian Open | Q128 | hard | Mackenzie Mcdonald | 6-1 6-0 |
| 2015-06-29 | USA F21 | QF | hard | Noah Rubin | 7-5 7-6(4) |
Averages over each player's completed matches in the selected window (60 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Mcdonald M.: 2 days 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