Pinch-hitter Hector Sanchez had a tiebreaking sacrifice fly in the 10th inning, and the San Francisco Giants beat the Los Angeles Dodgers 3-1 Thursday night in the opener of a four-game series.San Francisco Giants’ Brandon Hicks, right, runs the bases after hitting a home run off of Los Angeles Dodgers starting pitcher Josh Beckett, front, during the seventh inning of a baseball game in Los Angeles, Thursday, May 8, 2014.San Francisco Giants’ Brandon Hicks hits a one-run home run off of a pitch by Los Angeles Dodgers starting pitcher Josh Beckett during the seventh inning of a baseball game in Los Angeles, Thursday, May 8, 2014.San Francisco Giants starting pitcher Ryan Vogelsong pitches during the first inning of a baseball game against the Los Angeles Dodgers in Los Angeles, Thursday, May 8, 2014.Los Angeles Dodgers starting pitcher Josh Beckett pitches during the first inning of a baseball game against the San Francisco Giants in Los Angeles, Thursday, May 8, 2014.