Vivian Segnini defeated Andrea Koch Benvenuto 3-6 7-5 7-5 in the Lima 10K qualifying round on clay. The upset overturned the form book — Andrea Koch Benvenuto came in leading the head-to-head 4–0. Vivian Segnini claimed a first win over Andrea Koch Benvenuto in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-18 | Ribeirao Preto 10K | F | clay | Andrea Koch Benvenuto | 6-2 6-2 |
| 2010-11-22 | Barueri 10K | QF | hard | Andrea Koch Benvenuto | 6-3 6-2 |
| 2007-11-19 | Buenos Aires 10K | R16 | clay | Andrea Koch Benvenuto | 6-2 6-2 |
| 2005-06-06 | Nueva San Salvador 10K | QF | clay | Andrea Koch Benvenuto | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.