Peter Heller defeated Benjamin Lock 6-3 7-5 in the South Africa F1 qualifying round on hard. The upset overturned the form book — Benjamin Lock came in leading the head-to-head 1–0. Peter Heller claimed a first win over Benjamin Lock in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-11-27 | South Africa F2 | R16 | hard | Benjamin Lock | 6-2 2-6 6-3 |
Averages over each player's completed matches in the selected window (53 vs 174). 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