Bjorn Fratangelo defeated Sam Querrey 6-3 6-1 6-7 6-3 in the Roland Garros round of 128 on clay. The upset overturned the form book — Sam Querrey came in leading the head-to-head 2–0, defending last year's round of 128. Bjorn Fratangelo claimed a first win over Sam Querrey in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-08 | Houston | R32 | clay | Sam Querrey | 6-3 6-4 |
| 2016-07-18 | Washington | R32 | hard | Sam Querrey | 6-7(5) 6-4 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
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About