Roberto Alvarez defeated Mark Nielsen 7-6 6-1 in the Uruguay Masters 1 semi-final on clay. The result followed the form book — Roberto Alvarez came in leading the head-to-head 1–0. Roberto Alvarez extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-01 | Uruguay Masters 4 | R32 | clay | Roberto Alvarez | 4-6 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.