Tommy Paul joins crowd in cheers for Ben Shelton as 149mph ace breaks his own US Open 2023 serve record.

The 2023 US Open record was broken on Sunday when Ben Shelton served a 149 mph ace against Tommy Paul in the fourth round.

In the third round against Aslan Karatsev, the World No. 47 served 147mph.

Shelton dropped the first three games versus Paul.

Ben Shelton took a 3-1 lead over his compatriot in the third set after breaking serve quickly.

The left-hander hit the T with 149mph in his next service game at 15-0, the quickest at Flushing Meadows this year.

Tommy Paul tapped his racquet to applaud his youthful opponent during a show court ovation.

Impressively, Shelton served another 149 mph serve two points later in the same game.

After holding serve next to lead 4-1, Shelton lost the five games as Paul rallied. superhero roles

The younger American won a four-set match with a 6-4 triumph to reach the quarterfinals.

Ben Shelton revealed at his news conference following the third round win over Aslan Karatsev that his father Bryan, an ATP pro, doesn't like his son going for "the bombs" on serve.


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