Alex de Minaur has confirmed his status as one of the hottest talents in men's tennis with the most commanding first-round win of the US Open.
The second youngest player in the world's top 50, de Minaur swatted aside Japan's Taro Daniel 6-0 6-1 6-2 to continue Australia's flying start to the season's final grand slam.
Nick Kyrgios, Matt Ebden, John Millman and Ajla Tomljanovic also notched wins on Tuesday after Jason Kubler, Ashleigh Barty and Daria Gavrilova progressed to the second round on day one.
But in conceding just three games in three sets, no man was more dominant than 19-year-old de Minaur.
Not even heavyweight title contenders Alexander Zverev and Roger Federer, who dropped five and eight games respectively in their straight-set openers.
"Those are the matches that I'm most proud of because it's very hard in a five-set match to play at a very high level throughout the whole way without any lapses of concentration," de Minaur said.
"That's something I've really been working on and I'm very pleased to see it happening today."
Clubbing 31 winners to 11 and saving the only break point he faced in 10 service games, de Minaur earned a shot at fellow young gun Frances Tiafoe, an upset winner over seeded Frenchman Adrian Mannarino.
Kyrgios recovered from a mid-match downer to join de Minaur in round two with a 7-5 2-6 6-4 6-2 victory over Moldova's world No.95 Radu Albot in the night match on Louis Armstrong Stadium.
Earlier, in more brutally hot conditions at Flushing Meadows, Ebden advanced when Serbian Filip Krajnovic became the sixth men's player of the day - and ninth of the tournament - to retire mid-match.
Ebden was leading 7-6 (7-1) 6-7 (5-7) 4-6 6-1 4-1 when the wilting 32nd seed called it quits after three hours and 38 sapping minutes.
The West Australian's win set up a clash with German veteran Philipp Kohlschreiber.
Tomljanovic outclassed wildcard play-off winner Lizette Cabrera 6-4 6-1 in a one-sided all-Australian affair to book a clash with Czech Katerina Siniakova.
Millman thrashed American teenager Jenson Brooksby 6-4 6-2 6-0 and next faces Italian 14th seed Fabio Fognini.
But 2011 women's champion Samantha Stosur is out after succumbing 6-3 6-2 to second-seeded Australian Open titleholder Caroline Wozniacki.
HOW THE AUSSIES FARED ON DAY TWO OF THE US OPEN (PREFIX DENOTES SEEDING):
Men's singles, first round
30-Nick Kyrgios bt Radu Albot (MDA) 7-5 2-6 6-4 6-2
Alex de Minaur bt Taro Daniel (JPN) 6-0 6-1 6-2
Matt Ebden bt 32-Filip Krajinovic (SRB) 7-6 (7-1) 6-7 (5-7) 4-6 6-1 4-1 retired
John Millman bt Jenson Brooksby (USA) 6-4 6-2 6-0
Women's singles, first round
Alja Tomljanovic bt Lizette Cabrera 6-4 6-1
Samantha Stosur lost to 2-Caroline Wozniacki (DEN) 6-3 6-2
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