mo4ch:>'This kid is a future no. 1': World reacts to 'Greek God' Tsitsipas' win over Federer at Aus Open | Mo4ch News

The tennis world has been waxing lyrical about the latest star to emerge from the ongoing Australian Open 2019, hailing Stefanos Tsitsipas as a 'future world number 1' following his fourth round victory over legend Roger Federer.World number 15 Tsitsipas battled past reigning champ Federer 6-7, 7-6, 7-5, 7-6 in their fourth round match at Rod Laver Arena on Sunday to become the first Greek player ever to reach the quarter finals of a Grand Slam.Tennis fans all over the world have lauded Tsitsipas for his strong showing at such a young age against perhaps the greatest to ever play the game.Also on rt.com'I'm the happiest man on earth!': 20yo Tsitsipas shocks champion Federer at Aus Open (PHOTOS)Some likened the victory to a 'changing of the guard' type moment similar to Federer's own victory over Pete Sampras, aged just 19, to end 'Pistol' Pete's 31-match Wimbledon win streak in 2001.Others, including Australian tennis star and Wimbledon winn…