Frances Tiafoe blamed his heartbreaking five-set US Open semi-final defeat to Taylor Fritz on cramping after his "body shut down".
Frances Tiafoe set up an all-American US Open semi-final against Taylor Fritz on Tuesday, guaranteeing a home player in the men's final for the first time in 18 years.
World number one Jannik Sinner on Monday lifted his third ATP Masters trophy as the world number one beat Frances Tiafoe 7-6 (7/4), 6-2 to win the Cincinnati Open
Carlos Alcaraz survived a brutal encounter with close friend Frances Tiafoe at Wimbledon to keep his title defence on track with a 5-7, 6-2, 4-6, 7-6 (7/2), 6-2 win.
Carlos Alcaraz defeated Australia's world number 69 Aleksandar Vukic 7-6 (7/5), 6-2, 6-2 on the back of 42 winners.
World number five Andrey Rublev survived a huge scare on Friday to reach the semi-finals of the Hong Kong Open.
Frances Tiafoe led Team World to their first Laver Cup title as the American saved four match points in a dramatic victory over Stefanos Tsitsipas that denied Roger Federer a farewell trophy on Sunday
Laver Cup 2022 Highlights: Roger Federer bowed out of the sport with a defeat as he and Rafael Nadal went down against Frances Tiafoe and Jack Sock in the Laver Cup on Saturday
Speaking ahead of the emotion farewell, Federer said that it was the right time for him to bid goodbye to his beloved tennis.
Carlos Alcaraz defeated Frances Tiafoe in an epic US Open semi-final on Friday, setting up a showdown for the title and world number one ranking against Casper Ruud.