Nick Kyrgios

24-year-old had made headlines earlier in the day after criticising rivals including top stars Djokovic and Nadal

Four-time finalist in Rome next plays Greek eighth seed Stefanos Tsitsipas

The Spaniard accused him of "lacking respect for the public, the opponent and himself"

The Australian also screamed at the packed crowd to "shut up" at one stage

Spaniard, winner in Acapulco in 2005 and 2013, was playing his first event since falling in the Australian Open final

Second-seeded Swiss fires 51 winners to beat Australian 6-4, 6-1, 7-5

Rejuvenated Aussie was pivotal in Australia's 3-2 win over US in their quarter-final clash

Isner and co know they'll have to tame the man called Wild Thing to stand any chance

American beats Nishikori; Swiss legend receives walkover after ailing Kyrgios withdraws

Serb falls prey to Kyrgios' booming serves, while Swiss legend brushes aside Spanish arch-rival

The two have joined forces in their battle against 'haters'

Australian power-hitter fires 25 aces to claim the title