Watch: Frances Tiafoe hilariously scares Andy Murray as he crashes Brit's interview at Citi Open

Andy Murray's recent interview at the Citi Open had an unusual guest in Frances Tiafoe. The American crashed the shoot and humorously startled Murray.

Having suffered a second-round exit at Wimbledon, Murray has arrived in Washington DC to participate in the Citi Open. Prior to the ATP 500 tournament, the former World No. 1 engaged in a conversation with Tennis TV on Sunday, July 30.

Midway through the interview, Tiafoe sneaked up behind Murray and stared at him. Unaware of the American's presence, Murray continued with his chat.

Frances Tiafoe eventually interrupted the conversation, drawing a shocked reaction from the Brit.

"Oh my god. There he [Tiafoe] is. How long was he there for?" Murray said.

The three-time Slam champion was surprised to know that Tiafoe had been lurking behind him for a while.

"Oh really?! I didn't even feel him. I thought you were laughing to my answer. I was like, 'That's a bit rude,'" he told the interviewer.

Andy Murray and Frances Tiafoe will commence their respective campaigns at the Citi Open on Wednesday, August 2. Being seeded, both players have received a first-round bye. Their second-round opponents are yet to be decided.

In doubles, Murray will partner alongside compatriot Dan Evans to take on Austin Krajicek and Mate Pavic on Tuesday. Tiafoe meanwhile will team up with Poland's Hubert Hurkacz. They will compete against Sebastion Korda and Christopher Eubanks in the first round.

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"Andy Murray is hilarious; I love that guy" - Frances Tiafoe

Andy Murray (L) with Frances Tiafoe at the Tennis Plays For Peace event

Frances Tiafoe recently expressed his admiration for Andy Murray, saying that the three-time Grand Slam champion is a 'hilarious' guy who he has formed a great bond with.

When asked to name the funniest players on the tour, Tiafoe picked himself and Gael Monfils, followed by Murray. He opined that the Brit is not 'boring' as the general perception suggests.

"Definitely putting myself in there. And I would definitely put, obviously, Gael [Monfils] in there," Tiafoe said in an interview with Tennis.com. "I'm going to put Andy Murray in there. Very dry humor. Very, very funny. You guys think he's boring or whatever, but I think he's hilarious! Man, I love that guy. We get along really well."

"Yeah, he's not one people think about, anything about funny. He's definitely very funny," the American continued.

Murray and Tiafoe last played on hardcourt in Miami. The Brit endured a first-round loss to Dusan Lajovic there while Tiafoe lost to Lorenzo Sonego in the third round.