Diego Nargiso defeated Alberto Martin 6-4 6-3 in the Palermo quarter-final on clay. The upset overturned the form book — Alberto Martin came in leading the head-to-head 1–0, defending last year's quarter-final, but Diego Nargiso had been the form player, winning 5 of their last 7 on clay. Diego Nargiso claimed a first win over Alberto Martin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-04 | Palermo | R32 | clay | Alberto Martin | 6-1 6-4 |
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 (10 vs 200). ATP, WTA & Challenger.