Germain Gigounon defeated Guillermo Hormazabal 6-3 6-2 in the Belgium F9 qualifying round on clay. The upset overturned the form book — Guillermo Hormazabal came in leading the head-to-head 1–0. Germain Gigounon claimed a first win over Guillermo Hormazabal in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Chile F10 | SF | clay | Guillermo Hormazabal | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.