MIAMI -- Third baseman Martin Prado hit a tie-breaking RBI single in the eighth inning to lead the Miami Marlins past the Washington Nationals 3-2 on Friday night at Marlins Park.

It was the third straight win for the Marlins (6-11) and the third straight loss for NL East-rival Washington (7-10).

Shortstop Adeiny Hechavarria started the winning rally with a lead-off double, advancing to third on second baseman Dee Gordon's infield single. Prado then went the other way and delivered the game-winner on a liner to right field.

Closer Steve Cishek pitched a scoreless ninth for his first save of the season, helped by an excellent fielding play from Prado at third.

Reliever Bryan Morris (2-0) got the win.

The Nationals lost despite two RBI by right fielder Bryce Harper, who went 2-for-2 with a walk.

Washington opened the scoring in the fourth when shortstop Ian Desmond doubled, advanced to third on a Jayson Werth flyout and scored on Harper's sacrifice fly.

Miami took a 2-1 lead in the fifth on a rally that started with a two-out single by Ichiro Suzuki. Latos tied the score with a soft single to center, and Gordon hit an RBI single to right before he was thrown out trying to stretch it into a double.

Washington tied the score in the sixth when center fielder Denard Span singled, stole second and scored on Harper's RBI single.

NOTES: Miami placed Gold Glove LF Christian Yelich (back injury) on the 15-day disabled listed retroactive to April 20 and put C Jarrod Saltalamacchia on paternity leave, where he is expected to remain for two or three days. ... Miami called up 1B Justin Bour and C Jhonatan Solano from Triple-A New Orleans. ... Solano and his brother, Donovan Solano, are the first brothers to appear simultaneously on a Marlins 25-man roster. ... Marlins backup C Jeff Mathis (broken right hand) will get a follow-up X-ray on May 1. ... Washington 1B Ryan Zimmerman was in the starting lineup despite suffering from a bone bruise on his left heel. ... Washington RHP Max Scherzer said he will not miss a start despite jamming his right thumb, which is now slightly swollen, while batting. ... Saturday's middle game of the weekend series features a battle of RHPs: Washington's Stephen Strasburg and Miami's Tom Koehler.