Peter Gojowczyk defeated Robin Haase 6-4 6-4 in the Us Open qualifying round 2 on hard. The upset overturned the form book — Robin Haase came in leading the head-to-head 1–0. Peter Gojowczyk claimed a first win over Robin Haase in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-08 | Auckland | QF | hard | Robin Haase | 6-4 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.