Shanghai Masters 2019: Andrey Rublev upsets 12th seed Borna Coric in straight sets; Matteo Berrettini through to second-round
It was a 36th win of the season for the 11th-seeded Berrettini who has now won 30 of those matches since defeating Struff on 22 April
John Isner ousted Alex De Minaur of Australia 7-6 (1), 6-4, and Reilly Opelka defeated Dusan Lajovic of Serbia 6-3, 6-4
Italy's Matteo Berrettini posted a 6-2, 6-1 first-round victory over Jan-Lennard Struff of Germany
Second seed Roger Federer, third seed Daniil Medvedev and wildcard Andy Murray all play their second-round matches later
Shanghai: Unseeded Andrey Rublev of Russia upset Borna Coric of Croatia 6-4, 7-6 (4) in the first round of the Shanghai Masters on Tuesday.
The 12th-seeded Coric was runner-up in Shanghai last year, losing to Novak Djokovic in straight sets in the final.
Two Americans — 16th-seeded John Isner and Reilly Opelka — are through to the second round.
Isner ousted Alex De Minaur of Australia 7-6 (1), 6-4, and Opelka defeated Dusan Lajovic of Serbia 6-3, 6-4.
Italy's Matteo Berrettini, who reached his first Grand Slam semifinal at the US Open last month, posted a 6-2, 6-1 first-round victory over Jan-Lennard Struff of Germany.
It was a 36th win of the season for the 11th-seeded Berrettini. He has won 30 of those matches since last defeating Struff on 22 April.
Second seed Roger Federer, third seed Daniil Medvedev and wildcard recipient Andy Murray all play their second-round matches later.
A number of outside court matches have been suspended by rain. Scheduled stadium matches have proceeded under the roof.
Medvedev will play Rafael Nadal in the final on Sunday as he continues his bid to be the first man in the Open era to win his second Grand Slam title at the next major tournament.
Djokovic's visa has been cancelled for a second time in a new attempt to deport the unvaccinated Djokovic just days before the opening major of the year, where he would be defending his title.
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