Marcos Baghdatis defeated Juan Martin del Potro 7-6 6-4 in the Sydney quarter-final on hard. The upset overturned the form book — Juan Martin del Potro came in leading the head-to-head 4–1, defending last year's round of 16. Marcos Baghdatis narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-21 | Basel | R16 | hard | Juan Martin del Potro | 6-1 6-2 |
| 2013-09-30 | Tokyo | R32 | hard | Juan Martin del Potro | 4-6 6-4 6-3 |
| 2013-02-25 | Dubai | R32 | hard | Juan Martin del Potro | 4-6 6-4 7-6(4) |
| 2011-01-17 | Australian Open | R64 | hard | Marcos Baghdatis | 6-1 6-3 4-6 6-3 |
| 2007-03-19 | Miami Masters | R64 | hard | Juan Martin del Potro | 6-2 5-7 6-0 |
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