Joao Souza defeated Leonardo Kirche 6-2 6-2 in the Brazil F10 round of 32 on clay. The upset overturned the form book — Leonardo Kirche came in leading the head-to-head 1–0. Joao Souza claimed a first win over Leonardo Kirche in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-21 | Brazil F5 | QF | clay | Leonardo Kirche | 6-3 7-6(0) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.