The 2019 World Series will be decided by in a best-of-three format.

The Houston Astros rolled past the Washington Nationals, 8-1, in Game 4 on Saturday evening at Nationals Park in Washington, D.C., to even the best-of-seven game series, 2-2.

The Astros, looking to capture their second World Series crown in the last three years, have now won the last two games of the series in the nation's capital, after dropping the first two in Houston.

Houston got on the scoreboard first, scoring two runs off of Washington starter Patrick Corbin in the top half of the first inning.

After George Springer struck out to begin the game, the Astros collected four-consecutive hits, including back-to-back singles to center by Jose Altuve and Michael Brantley, a run-scoring single to left off the bat of Alex Bregman, and a run-scoring infield single by Yuli Gurriel, to give them a quick 2-0 lead.

The Astros added to their lead in the top half of the fourth inning, when Robinson Chirinos blasted a two-run home run to left, his second homer in as many nights, to widen their advantage to 4-0.

Washington trimmed the deficit in the bottom half of the 6th inning, loading the bases, and then scoring one run on an RBI groundout off the bat of Juan Soto, to make it 4-1.

Houston put the game completely away in the top half of the 7th inning when Bregman crushed a grand slam home run, giving him five RBI's for the game, while giving the Astros an insurmountable 8-1 lead.

The was more than enough for the Astros, as they went on to the 7-run triumph.

Houston, who outhit Washington, 13-4, was led at the plate by Brantley and Bregman, who collected three hits apiece.

Bregman also homered and drove home five runs, while Chirinos homered and drove in two.

In a losing cause for the Nationals, Anthony Rendon had two hits.

Jose Urquidy was terrific for the Astros, recording the win, allowing only two hits over 5 shutout innings.

Corbin suffered the loss for the Nationals, allowing 4 runs on 7 hits over 6 innings of work.

View the game box score.

Game 5 is scheduled for Sunday night in D.C., with first-pitch slated for 7:07 (Central time).

Right-hander Gerrit Cole will get the start for the Astros, while right-hander Max Scherzer will oppose him for the Nationals.

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