Ricardo Siggia defeated Fabricio Neis 6-4 6-3 in the Brazil F18 qualifying round on clay. The upset overturned the form book — Fabricio Neis came in leading the head-to-head 2–0. Ricardo Siggia claimed a first win over Fabricio Neis in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Brazil F26 | QF | clay | Fabricio Neis | 5-7 7-5 6-2 |
| 2010-08-30 | Brazil F22 | QF | clay | Fabricio Neis | 5-7 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.