“We knew it (a transition) would eventually come sooner or later, and it looks like it was later,” said John McEnroe.

Also, Jessica Pegula breaks into the Top 5 and Frances Tiafoe cracks the Top 20 after deep runs in New York.

The Roland Garros runner-up navigated a tense opening set to stop Karen Khachanov and keep himself in contention for the No. 1 ranking.

With a first-time major champion guaranteed to break through in Queens, which two competitors will take a big step forward Friday?

The former world No. 8 broke new ground in Flushing Meadows by silencing crowd favorite Nick Kyrgios, and seeks to do the same to the fast-rising Ruud in time for his first major final.

The 26-year-old punched his ticket to a maiden major semifinal after edging the Aussie, 7-5, 4-6, 7-5, 6-7 (3), 6-4, just before the clock struck 1 a.m. early Wednesday.

After taking down the ATP's top-ranked player, can Kyrgios come back down to earth for another "absolute battle" against Khachanov?

The Olympic silver medalist surged into his first major quarterfinal of the season after missing Wimbledon, and next aims to avenge countryman Daniil Medvedev’s defeat to the inspired Aussie on Arthur Ashe Stadium.

The top seeds from the Western & Southern Open kept the positive vibes from Canada going with an exchange of heartfelt compliments.

The Spanish teenager added another racquet sport to his repertoire before surging into the Hamburg European Open quarterfinals on Thursday.