Italian star Jannik Sinner has hailed Darren Cahill as one of the "best coaches ever" after storming into the fourth round of the Australian Open.
Fourth seed Sinner, who finished 2023 as arguably the form player on tour, took less than two hours to win his third-round match, demolishing Argentine world No.29 Sebastian Baez 6-0 6-1 6-3 on Friday.
Sinner is yet to drop a set at Melbourne Park this year, but his victory over the 26th seed was comfortably his most convincing performance yet.
The 22-year-old has gone to another level since Australian Cahill, a former mentor of world No.1s Lleyton Hewitt, Andre Agassi and Simona Halep, became his coach during the 2022 season.
"He (Cahill) has coached so many players, bringing them to No.1 in the world also, so all different players," Sinner said.
"So I truly believe that he is one of the best coaches ever in this sport."
Sinner will meet Karen Khachanov next on Sunday after the Russian 15th seed beat Czech Tomas Machac 6-4 7-6 (7-4) 4-6 7-6 (7-5) in a serving shootout on Kia Arena.
Khachanov cashed in on two of his three break-point opportunities to remain on course for a second straight semi-final appearance at Melbourne Park.
Sinner has defeated Khachanov in two of their previous three meetings, but the Russian won the pair's only encounter at a slam, a five-set thriller at the 2020 US Open.
The red-hot Sinner looms as a potential quarter-final opponent for Australia's great hope Alex de Minaur, who despatched Italian qualifier Flavio Coboll 6-3 6-3 6-1 but next faces a much tougher assignment against Andrey Rublev, a 6-2 7-6 (8-6) 6-4 winner over Sebastian Korda
The Italian's best result at Melbourne Park is a quarter-final exit in 2022, and he is yet to reach a major final.
But he continues to boost his credentials in the hope of toppling 10-time Australian Open champion Novak Djokovic, who swept through to the last-16 with his 6-3 6-3 7-6 (7-2) victory over Argentine riser Tomas Martin Etcheverry.
Djokovic next must tackle the evergreen French leftie Adrian Mannarino, who caused the shock of the day with his 7-6 (7-4) 1-6 6-7 (2-7) 6-3 6-4 victory over American hot shot Ben Shelton.
Sinner beat the world No.1 Djokovic twice in the space of a week in November and is continuing his hot run in Melbourne.
The pair could face each other in the semi-finals.
After dropping a set in both of his opening two matches, Stefanos Tsitsipas stepped it up a notch on Friday by blitzing rising French prospect Luca Van Assche 6-3 6-0 6-4 in two hours.
The Greek star, who lost to Djokovic in last year's decider at Melbourne Park, had an answer for everything Van Assche threw at him on Rod Laver Arena.
Van Assche, 19, was aiming to become the youngest man to reach the fourth round of an Australian Open since Bernard Tomic in 2012.
"(Van Assche) tried his best and I felt like I had a little bit more experience under my belt and I'm absolutely delighted with the win, it means a lot to me," Tsitsipas said.
"It's (Australian Open) by far the best grand slam to compete in terms of player's experience...it creates the best atmosphere for the players to be here...it feels almost like home."
Seventh seed Tsitsipas will face world No.12 Taylor Fritz in the fourth round after the American recovered from a slow start to topple Hungary's Fabian Marozsan 3-6 6-4 6-2 6-2.
