McIlroy, the world No. 1, opened birdie-eagle-birdie to win the first three holes and never looked back. He was 6 under over the first six holes, going 5 up. He won the first point posted on Sunday.
“I played my best golf this week,” said McIlroy, who has won all three Ryder Cups that he has played.
McIlroy vs. Fowler was one of the more intriguing matchups Sunday, with their history running all the way back to the 2007 Walker Cup.
“I knew Paul wanted to play me up in the order,” said McIlroy said. “I was very comfortable with that. I knew what was expected of me, and I knew what I expected of myself. I was probably more up for this day than I was the first two. I was just so up for it, there was no option other than to win.”
After losing a fourball pairing with Sergio Garcia in the opening session, McIlroy didn’t lose again this week. He was 2-1-2, giving him an overall 6-4-4 Ryder Cup record with a 2-0-1 mark in singles.