Elizabeth Kaufman defeated Andrea Koch Benvenuto 4-6 7-5 6-1 in the Monterrey 10K round of 32 on hard. The upset overturned the form book — Andrea Koch Benvenuto came in leading the head-to-head 1–0. Elizabeth Kaufman claimed a first win over Andrea Koch Benvenuto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-21 | Monterrey 10K | R16 | hard | Andrea Koch Benvenuto | 2-6 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.