Juan Martin del Potro defeated Ernests Gulbis 7-6 6-3 in the Rotterdam round of 16 on hard. The upset overturned the form book — Ernests Gulbis came in leading the head-to-head 3–2. Juan Martin del Potro narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-03 | Wimbledon | R64 | grass | Ernests Gulbis | 6-4 6-4 7-6(3) |
| 2014-02-10 | Rotterdam | QF | hard | Ernests Gulbis | 6-3 6-4 |
| 2011-07-25 | Los Angeles | QF | hard | Ernests Gulbis | 6-2 6-4 |
| 2009-02-16 | Memphis | R16 | hard | Juan Martin del Potro | 6-3 6-4 |
| 2009-01-12 | Auckland | R16 | hard | Juan Martin del Potro | 4-6 6-4 6-1 |
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