'That outfit': Tiafoe dazzles Australian Open with colourful kit

Frances Tiafoe won his first-round match at the Australian Open on Monday but it was the American's outrageously colourful kit which set tongues wagging.

The world number 17 wore a matching vest and shorts that had squiggly haphazard lines of blue, purple, red, yellow and white.

Tiafoe's brazen outfit in his four-set win over Germany's Daniel Altmaier was the talk of social media.

"This outfit deserves to get to the second week minimum," wrote one Twitter user.

"Pink camouflage singlet? Only Tiafoe can rock this look," said another.

Not everyone was impressed, however.

"You know Tiafoe is my guy," wrote one.

"But that outfit."

Tiafoe faces China's 17-year-old Shang Juncheng in round two at Melbourne Park.

Defending champion Rafael Nadal dropped a set but prevailed in a battle of fitness against Jack Draper to reach the second round of the Australian Open on Monday with an unconvincing 7-5 2-6 6-4 6-1 over the injured Briton.

Fellow lefthander Draper played superb tennis to level the match at a set all but the 21-year-old soon developed leg troubles and was left groaning in pain as Nadal closed out the match on a warm and sunny afternoon at Rod Laver Arena.

Nadal was broken first game of the final set when Draper punished a dubious attempted drop-shot with a winner but the Spaniard won the next six games in succession to claim the match as the ailing Briton bowed out swinging.

Nadal, bidding for a record-extending 23rd Grand Slam title, will next face Mackenzie McDonald for a place in the third round.