Lucas Pouille defeated Jerzy Janowicz 7-6 7-6 in the St. Petersburg round of 16 on carpet. The upset overturned the form book — Jerzy Janowicz came in leading the head-to-head 1–0. Lucas Pouille claimed a first win over Jerzy Janowicz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-03 | Wimbledon | R64 | grass | Jerzy Janowicz | 7-6(4) 7-6(5) 3-6 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.