The 55th-ranked Gabashvili rallied from 3-0 down before dominating Ferrer on his favored clay to reach the last 16.
Gabashvili kept Ferrer running to the corners, and the fifth-ranked Spaniard was surprisingly unable to keep up with shots he normally returns, looking fatigued at times.
Ferrer slapped a crosscourt forehand long for Gabashvili to clinch it after 1 hour, 21 minutes. Ferrer lost at this same stage last season to Dmitry Tursunov.
Top-ranked Rafael Nadal took to the court late Wednesday to open against fellow Spaniard Albert Ramos in second-round play.
- Sports & Recreation
- David Ferrer
- Teymuraz Gabashvili