Maria Sanchez Lorenzo defeated Dominique Monami 6-2 5-7 6-2 in the New Haven round of 32 on hard. The upset overturned the form book — Dominique Monami came in leading the head-to-head 1–0, defending last year's round of 32. Maria Sanchez Lorenzo claimed a first win over Dominique Monami in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-18 | Australian Open | R16 | hard | Dominique Monami | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.