Christian Harrison defeated Peter Polansky 6-4 6-2 in the Miami Masters qualifying round 1 on hard. The upset overturned the form book — Peter Polansky came in leading the head-to-head 2–0. Christian Harrison claimed a first win over Peter Polansky in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | Q2 | hard | Peter Polansky | 6-2 7-5 |
| 2018-01-12 | Australian Open | Q64 | hard | Peter Polansky | 6-2 7-5 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About