Reilly Opelka beats Lorenzo Musetti in straight sets to reach the third round at the US Open for the first time.

Reilly Opelka will face World No. 74 Soonwoo Kwon in his first round match at the US Open.

Reilly Opelka posts a career-best week in Toronto in 2021 with a runner-up showing to Daniil Medvedev.

Reilly Opelka defeats Stefanos Tsitsipas on Saturday in Toronto to reach his first ATP Masters 1000 final.

Reilly Opelka moves past Spain's Roberto Bautista Agut on Friday in Toronto to reach his second ATP Masters 1000 semi-final.

Reilly Opelka rebounds from a set down to defeat Australia's Nick Kyrgios in the first round in Toronto on Monday night.

Jannik Sinner and Reilly Opelka win the Atlanta doubles title in a Match Tie-break against Steve Johnson and Jordan Thompson.

Reilly Opelka defeats Andrej Martin in straight sets on Monday to reach the second round at Roland Garros.

Reilly Opelka has not dropped a set en route to the Internazionali BNL d'Italia semi-finals.

Reilly Opelka has fired 77 aces en route to the Internazionali BNL d'Italia semi-finals.

Reilly Opelka is through to his fourth quarter-final of 2020 at the St. Petersburg Open.

Reilly Opelka owns a 6-6 record against Top 10 players.

Alexander Bublik and Reilly Opelka reach the St. Petersburg semi-finals on their team debut.

Stefanos Tsitsipas and Reilly Opelka walk to Court 17 ahead of their quarter-final clash at the Western & Southern Open.

Reilly Opelka hits 29 winners past Matteo Berrettini on Tuesday for a place in the Western & Southern Open quarter-finals.

Reilly Opelka saves both break points he faces to beat Cameron Norrie in straight sets at the Western & Southern Open.

Reilly Opelka and Taylor Fritz are two of the top three Americans in the FedEx ATP Rankings. They will compete in the Western & Southern Open.

Reilly Opelka plays six sets on Sunday — winning three-setters in the semi-finals and the final — to triumph in Delray Beach.

Reilly Opelka battles past former World No. 3 Milos Raonic in Delray Beach to reach his second ATP Tour final.

Reilly Opelka hammered 20 aces en route to defeating Yoshihito Nishioka at the New York Open.

John Isner, Ugo Humbert, Ivo Karlovic and Reilly Opelka play lacrosse with members of the New York Riptide lacrosse team.

Reilly Opelka looks to build on his 2019 season this fortnight at the Australian Open.

Reilly Opelka reached 1,000 aces this season on Saturday at the Swiss Indoors Basel.

Reilly Opelka strikes at least 10 aces in each set — and 31 total — to defeat Roberto Bautista Agut in Basel.

Reilly Opelka hits 16 aces and loses just six of his first-service points to beat Yasutaka Uchiyama on Friday in Tokyo.