WASHINGTON (Interstat) — Miles Mikolas pitched seven innings of three-hit shutout ball, striking out three, as the Washington Nationals defeated the Seattle Mariners 10-1 on Sunday afternoon at Nationals Park.

Mikolas (2-5) allowed no earned runs and walked none in front of an announced crowd of 27,264. The game lasted 2 hours, 14 minutes. Emerson Hancock (5-3) took the loss for Seattle.

The Mariners grabbed a 1-0 lead in the first inning on Josh Naylor’s double that scored Cole Young, aided by a center-field error. Washington answered in the bottom half when James Wood hit his 20th home run.

The Nationals broke the game open in the fourth, scoring five runs. Keibert Ruiz singled in a run, Daylen Lile doubled in another, Nasim Nuñez added a two-run single and Jorbit Vivas drove in a run on a fielder’s choice. Ruiz homered in the seventh, and Washington added three more in the eighth, including an RBI double by Jacob Young and a run-scoring double by Wood.

Ruiz finished 3-for-4 with a homer and two RBIs. Wood also went 3-for-4 with a homer and two RBIs. Seattle managed five hits.

The Nationals improved to 37-35, while the Mariners fell to 37-36.