Ernests Gulbis defeated Tommy Haas 6-3 4-6 7-6 in the Delray Beach semi-final on hard. The upset overturned the form book — Tommy Haas came in leading the head-to-head 4–1, defending last year's round of 32. Ernests Gulbis narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Stuttgart | R16 | grass | Tommy Haas | 6-0 3-6 6-4 |
| 2013-06-10 | Halle | R16 | grass | Tommy Haas | 7-6(5) 6-4 |
| 2013-04-29 | Munich | R16 | clay | Tommy Haas | 6-4 6-7(3) 6-1 |
| 2012-08-27 | US Open | R128 | hard | Ernests Gulbis | 3-6 4-6 6-4 7-5 6-3 |
| 2009-05-10 | Madrid Masters | R64 | clay | Tommy Haas | 6-2 5-7 7-5 |
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 125). ATP, WTA & Challenger.