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.
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ATP Finals 2020: Medvedev downs Djokovic to reach semi-finals; Zverev keeps hopes alive after beating Schwartzman
Daniil Medvedev secured a spot in the semifinals of the season-ending tournament by dominating five-time champion Novak Djokovic 6-3, 6-3 Wednesday for his second straight win of the group stage.
With the 2021 tennis schedule facing inevitable issues with the Covid-19 pandemic, three-time Grand Slam winner Murray hopes the long-awaited vaccine will be available by the spring and that a compulsory programme is rolled out within tennis.
Novak Djokovic, five-time winner finishes second in Group Tokyo 2020 behind Medvedev and will play third-seed Dominic Thiem in the semi-finals on Saturday.