"[Sanchez] made a couple plays, he looked alright," Bochy said. "[Surkamp] threw the ball pretty well. He gave up a home run, but looked OK."
Recovering from a right shoulder dislocation, Sanchez, who played 58 games last season at second base, was at third base Friday.
Bochy said the 34-year-old asked to play that position.
"That's what we're talking about now," Bochy said. "[The positions] all have different plays, but at third base, you have momentum going to the bag."
With regular third baseman Pablo Sandoval expected to miss four weeks with a broken bone in his left hand, Sanchez could see time at third when he returns to the Giants, which is projected to be before Sandoval.
Sanchez went on a rehab assignment with Class A Advanced San Jose on April 23, but he appeared in just three games before returning after feeling a strain in his shoulder.