Reilly Opelka is an American professional tennis player known for possessing one of the most powerful serves in modern tennis, regularly exceeding 140 miles per hour. A right-handed player with a two-handed backhand, he uses an aggressive, serve-dominant style and strong net presence to dictate play. Opelka has recorded notable victories over top-ranked opponents and thrives on fast surfaces where his game is most effective. His ability to control matches with pace and precision has made him a consistent threat on the ATP Tour and a respected competitor at major professional tennis events.