| Bublik used underarm serves, drop shots and a 
				sneak-attack serve return against Sinner during the 
				quarter-final of the ATP Masters 1000 event but fell to his 
				second straight defeat to the 19-year-old following a loss in 
				Dubai in mid-March.
 "You are not a human," Bublik told Sinner at the net after the 
				Italian had wrapped up the match. "You are 15-years-old and you 
				play like this. Good job."
 
 2019 Next Gen ATP Finals winner Sinner has made rapid progress 
				over the last two years, reaching his maiden Grand Slam 
				quarter-final at last year's French Open and now sits at a 
				career-high 31st in the world.
 
 In February he became the youngest player since Novak Djokovic 
				in 2006 to win two ATP titles by claiming the Great Ocean Road 
				Open after his Sofia Open title at the end of 2020.
 
 "He's not (human). That's a fact," world No.44 Bublik later told 
				reporters. "For me it's very surprising that the guy at his age 
				has this mental toughness that many, many other players don't 
				have.
 
 "I called him a robot couple of times during the match, but I do 
				it in a very sincere way because he's really, really a great 
				player."
 
 Sinner had to be focused against Bublik, who has already reached 
				two finals this season.
 
 Rallying from a break down in each set, the Italian was not only 
				on the receiving end of a sneak-attack return and the underarm 
				serves but also watched on helplessly as Bublik hit a 105mph 
				forehand return against his serve.
 
 The Kazakh was also impressed with the shot and asked the chair 
				umpire for the speed of his rocket return, adding that it was 
				"the best forehand I've ever hit in my life".
 
 (Reporting by Sudipto Ganguly in Mumbai; Editing by Peter 
				Rutherford)
 
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