Juan Martin del Potro defeated Nicolas Almagro 6-3 6-3 in the Shanghai Masters quarter-final on hard. The result followed the form book — Juan Martin del Potro came in leading the head-to-head 3–0. Juan Martin del Potro extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-29 | Roland Garros | R64 | clay | Juan Martin del Potro | 6-3 3-6 1-1 RET |
| 2016-10-17 | Stockholm | R16 | hard | Juan Martin del Potro | 6-4 6-3 |
| 2013-09-30 | Tokyo | SF | hard | Juan Martin del Potro | 7-6(7) 7-6(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