Distressing scenes as French Open star throws up on court but refuses to quit

American Frances Tiafoe was battling a mysterious illness in his first-round loss to at the French Open and threw up before the fifth set.

Instead, he fell in the first round to Filip Krajinovic of Serbia.

Tiafoe said he was “very depleted” for the fifth set and threw up both before and after.

Krajinovic won 6-2 4-6 6-3 3-6 6-0, taking the fifth in just 23 minutes as his ailing opponent wilted.

Tiafoe is winless in four showings in the Roland Garros main draw.

“You work so hard, and obviously it's a grand slam, so you want to do your best,” he said.

And you have this random illness that you have no idea why it's occurring. It's tough to lose like that.”

American Frances Tiafoe was battling illness during his French Open first round loss. (Getty Images)

Tiafoe, who committed 62 unforced errors, said he felt fine before the match and doesn’t think it’s food poisoning.

“Throwing up during the match isn’t something that normally happens to me,” he said.

“I threw up again when I went to the locker room after the third set.”

“The fifth-set result obviously came to that because (I) was obviously very depleted and had nothing really in me. It was tough to end like that.”

Tiafoe made the round of 64 at the US Open and the round of 32 at Wimbledon.

Krajinovic, 27, moves into the next round for the first time in three tries at Roland Garros. He will play Spaniard Roberto Carballes Baena.

with Yahoo Sports