Hernan Gumy defeated Alex Calatrava 7-6 4-6 7-5 in the Mallorca round of 32 on grass. The upset overturned the form book — Alex Calatrava came in leading the head-to-head 2–1. Hernan Gumy narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-11 | Bucharest | R32 | clay | Alex Calatrava | 6-3 6-1 |
| 1999-08-09 | San Marino | R32 | clay | Hernan Gumy | 6-4 6-1 |
| 1998-04-20 | Orlando | R16 | clay | Alex Calatrava | 4-6 7-6(5) RET |
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 (59 vs 139). ATP, WTA & Challenger.