Martin Vassallo Arguello advanced past Ricardo Schlachter via walkover in the Uruguay F2 qualifying round. Martin Vassallo Arguello claimed a first win over Ricardo Schlachter in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-10-16 | Paraguay F2 | QF | clay | Ricardo Schlachter | 7-5 6-3 |
| 1999-07-19 | Uruguay F1 | R32 | clay | Ricardo Schlachter | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.