LOS ANGELES — Clayton Kershaw yielded six hits over seven dominant innings to earn his ninth victory in 10 starts, and the Los Angeles Dodgers beat the Washington Nationals, 4-1, Monday night for their fourth straight victory.

Washington scratched Stephen Strasburg about 80 minutes before game time due to an upper back strain.

Kershaw (11-1) added eight strikeouts to his major league-leading 141, fanning Bryce Harper three times. Kershaw didn't walk a batter and got through a tricky seventh inning to remain unbeaten since May 1.

Kenley Jansen became the Dodgers' career saves leader in the ninth. He surpassed Eric Gagne with his 162nd save, including 20 this season.

Anthony Rendon drove in the Nationals' run in the seventh.

Late replacement Yusmeiro Petit pitched six innings of five-hit ball in his first start for the National League East-leading Nationals, who have lost three straight.

Former Oriole Justin Turner homered and drove in two runs, and Joc Pederson also homered in the Dodgers' sixth win in seven games.

The Dodgers went a season-high six games over .500 (39-33) with another stellar start from Kershaw, who threw his first pitch in 96-degree heat.

Turner put the Dodgers ahead in the first with his 10th homer, including five in his last eight games.

After Corey Seager doubled and scored on Turner's single in the fourth, Pederson connected in the fifth, driving his 13th homer down the right-field line.