Ivo Karlovic defeated Juan Martin del Potro 7-6 7-5 in the Nottingham quarter-final on grass. The upset overturned the form book — Juan Martin del Potro came in leading the head-to-head 5–0. Ivo Karlovic claimed a first win over Juan Martin del Potro in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-11-25 | Davis Cup WG F: ARG vs CRO | RR | hard | Juan Martin del Potro | 6-4 6-7(6) 6-3 7-5 |
| 2016-10-17 | Stockholm | QF | hard | Juan Martin del Potro | 6-3 6-4 |
| 2012-04-06 | Davis Cup WG QF: ARG vs CRO | RR | clay | Juan Martin del Potro | 6-2 7-6(7) 6-1 |
| 2012-03-21 | Miami Masters | R64 | hard | Juan Martin del Potro | 7-5 6-4 |
| 2011-05-22 | Roland Garros | R128 | clay | Juan Martin del Potro | 6-7(7) 6-3 7-5 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