The American did the ultimate challenge with his new workout equipment during the men's US Open semifinal.

The American enjoyed a sweet hit with countryman Jack Sock on Arthur Ashe stadium.

The American will face world No. 63 Ilya Ivashka in the opening round.

The American fell to countryman Tommy Paul in the second round of Cincinnati qualifying.

The American enjoyed a few days at home after having to withdraw from Washington D.C. due to a rib injury.

After a "heartbreakingly awesome" experience at the Tokyo Olympics, the American maintains his pride for reppin' the red, white and blue in Washington, D.C.

Marcus Daniell and Michael Venus made history by securing New Zealand's first medal in the sport Friday at the Ariake Tennis Park with a 7-6 (3), 6-2 victory over Americans Austin Krajicek and Tennys Sandgren.

The American won his doubles opener with partner Austin Krajicek in thrilling fashion to kick off his Olympics campaign.

The American headed to the Hall of Fame Open before gearing up for the North American hard-court swing.

Before heading to the Hall of Fame Open,  the American enjoyed a fun day in Venice, Italy.