The game was decided in the 10th inning when Chicago's bullpen unraveled. Washington scored four times in the extra frame to turn a 2-2 tie into a commanding 6-3 victory at Rate Field.
Jake Irvin dominated through 5.2 innings, striking out nine while allowing just four hits and no runs. The right-hander carried a 4.85 ERA into the contest and held Chicago scoreless until departing in the sixth inning with 88 pitches.
Washington broke through in the fourth when Nuñez singled to center, bringing home House and Lile for a 2-0 lead. Chicago answered in the eighth, tying the game on consecutive plays. Pereira singled to left to score Vargas, then Meidroth hit a sacrifice fly to center that brought Montgomery home.
Jordan Leasure's wild 10th inning sealed Chicago's fate. Wood scored on a wild pitch to break the tie, then Wiemer walked to force home Mead. Nuñez capped the rally with a two-run single to right that scored García Jr. and Lile. Cionel Perez earned the win despite walking two in his one inning of work.
Washington snapped a three-game losing streak to improve to 11-16. Chicago's two-game winning streak ended as they fell to 11-15.