Juan Antonio Marin defeated Julian Alonso 6-2 6-4 in the Estoril round of 16 on clay. The upset overturned the form book — Julian Alonso came in leading the head-to-head 2–0. Juan Antonio Marin claimed a first win over Julian Alonso in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-13 | Mallorca | QF | grass | Julian Alonso | 7-6(5) 7-5 |
| 1998-06-08 | Bologna | SF | clay | Julian Alonso | 7-5 6-3 |
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 (169 vs 78). ATP, WTA & Challenger.