Ivan Dodig defeated John Isner 6-4 6-7 6-3 in the Canada Masters round of 64 on hard. The upset overturned the form book — John Isner came in leading the head-to-head 2–0, defending last year's round of 64. Ivan Dodig claimed a first win over John Isner in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-02-09 | Memphis | R16 | hard | John Isner | 6-4 7-6(5) |
| 2013-03-20 | Miami Masters | R64 | hard | John Isner | 4-6 7-5 7-6(5) |
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 (145 vs 200). ATP, WTA & Challenger.