

Michael Mmoh defeated Alexander Zverev 6-7 6-4 6-3 6-2 in the Australian Open round of 64 on hard. The upset overturned the form book — Alexander Zverev came in ranked #2, leading the head-to-head 1–0, defending last year's round of 16. Michael Mmoh claimed a first win over Alexander Zverev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-21 | Miami Masters | R128 | hard | Alexander Zverev | 7-6(3) 7-6(4) |
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
Averages over each player's completed matches in the selected window (138 vs 199). ATP, WTA & Challenger.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.