Alexandre Tsuchiya defeated Ricardo Siggia 6-3 6-1 in the Brazil F36 round of 32 on clay. The upset overturned the form book — Ricardo Siggia came in leading the head-to-head 1–0. Alexandre Tsuchiya claimed a first win over Ricardo Siggia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-07 | Brazil F9 | R32 | clay | Ricardo Siggia | 7-5 2-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.