John Isner defeated Philipp Kohlschreiber 6-7 6-4 6-4 in the Canada Masters round of 16 on hard. The upset overturned the form book — Philipp Kohlschreiber came in leading the head-to-head 4–3, defending last year's round of 64. John Isner narrowed the head-to-head to 4–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-23 | Vienna | R32 | hard | Philipp Kohlschreiber | 7-6(6) 6-4 |
| 2014-08-25 | US Open | R32 | hard | Philipp Kohlschreiber | 7-6(4) 4-6 7-6(2) 7-6(4) |
| 2014-01-06 | Auckland | QF | hard | John Isner | 6-7(4) 7-6(4) 7-6(5) |
| 2013-08-26 | US Open | R32 | hard | Philipp Kohlschreiber | 6-4 3-6 7-5 7-6(5) |
| 2012-08-27 | US Open | R32 | hard | Philipp Kohlschreiber | 6-4 3-6 4-6 6-3 6-4 |
| 2012-05-13 | Rome Masters | R64 | clay | John Isner | 2-6 7-6(3) 6-2 |
| 2010-10-04 | Beijing | R16 | hard | John Isner | 7-6(3) 3-6 6-3 |
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