DENVER -- The rain didn't bother Clayton Kershaw. And neither did the Colorado Rockies hitters.

The Dodgers ace overpowered the Rockies on Sunday as Los Angeles beat Colorado 6-1 in the rain-shortened rubber game of their series. The game was called after 5 1/2 innings, following a delay that lasted 1 hour, 35 minutes.

Kershaw allowed three hits, including a home run by shortstop Troy Tulowitzki, in five innings.

Kershaw had no walks and tied his season high with nine strikeouts, the fourth straight start and sixth this season that he has reached that strikeout total.

In 48 1/3 innings this season, Kershaw (5-2) has 64 strikeouts and just seven walks for a 9.14 strikeout-to-walk ratio that leads the National League for pitchers with a minimum of 40 innings pitched.

The game was played in a steady rain and finally halted after the top of the sixth when the Dodgers struck for four runs to increase their lead to 6-1.

That rally began with one out when shortstop Hanley Ramirez drove Jorge De La Rosa's 1-1 changeup over the left field stands and onto the concourse for his 10th homer.

After giving up Ramirez's long homer, De La Rosa (6-5) walked the next two batters he faced, ending his workday. He finished with a season-high eight strikeouts in 5 1/3 innings but also threw a season-high 109 pitches. All four batters De La Rosa walked ended up scoring.

Matt Belisle relieved De La Rosa and gave up two successive milestone hits with two outs. Right fielder Jamie Romak drove a two-run double into the gap in left-center and third baseman Miguel Rojas lined a run-scoring single up the middle. For both Romak and Rojas, those hits and RBIs were their first in the major leagues.

Tulowitzki led off the fourth with a homer that cut the Dodgers' lead to 2-1. It was his 17th homer of the season and 11th at Coors Field. at Coors Field. Kershaw retired 11 of the final 12 batters he faced, the exception being Tulowitzki's home run.

Kershaw struck out the side in each of the first two innings. He struck out first baseman Ryan Wheeler and third baseman DJ LeMahieu to end the second with runners on first and second.

In his past four starts at Coors Field, Kershaw is 3-0 with a 3.12 ERA.

De La Rosa struck out the side in the first but threw just 19 of 35 pitches for balls in the first when he walked the first two batters he faced and gave up a one-out triple to left fielder Matt Kemp.

De La Rosa has lost consecutive starts at Coors Field for the first time since May 25 and 31, 2009, his final defeats in losing streak that saw him start that season 0-6.

The Rockies last lost back-to-back starts by De La Rosa on July 29 and Aug. 3, 2013, the former outing a no-decision for him and the latter a loss.

This was the second time in four starts that interrupted one of De La Rosa's starts. He pitched three innings against San Francisco on May 22 when the first of two rain delays finished his outing. That game was suspended in the sixth with the scored tied at 2.

The victory enabled the Dodgers (33-31) from falling to the .500 mark for the first time since they were 47-47 on July 14, 2013, at the All-Star break. The Rockies (29-33) lost for the ninth time in 10 games and fell to 1-5 on the current homestand that concludes with a four-game series with the Atlanta Braves starting Monday.

NOTES: Dodgers 2B Dee Gordon and RF Yasiel Puig were not in the lineup. Both players left Saturday's game with hip injuries, right hip discomfort for Gordon and a left hip flexor strain for Puig. Both are listed day-to-day. ... DJ LeMahieu made his first start of the season at third base, where had played in three games this Year. ... Rockies C Wilin Rosario was back in the lineup. He was scratched from Saturday's game due to dizzyness. ... Rockies RF Michael Cuddyer was better but still bothered by the left shoulder strain he suffered Thursday. A decision is likely Monday on whether he goes on the disabled list. ... Rockies 1B Justin Morneau was given a planned day off.