Highlights: U.S. Open day two

Aug 27, 2019; Flushing, NY, USA; Stefanos Tsitsipas of Greece hits a forehand against Andrey Rublev of Russia (not pictured) in the first round on day two of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Geoff Burke-USA TODAY Sports

(Reuters) - Highlights of the second day at the U.S. Open, the final Grand Slam tournament of the year, on Tuesday (times GMT):

1635 KVITOVA THROUGH IN STRAIGHT SETS

Aug 27, 2019; Flushing, NY, USA; Andrey Rublev of Russia hits a forehand against Stefanos Tsitsipas of Greece (not pictured) in the first round on day two of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Geoff Burke-USA TODAY Sports

Petra Kvitova eased past Czech compatriot Denisa Allertova with a 6-2 6-4 victory to move into the second round.

Kvitova, who was runner-up at the Australian Open this year, converted four break points and smashed 16 winners while Allertova double faulted six times and made 33 unforced errors to hand the sixth seed the win in 79 minutes.

Aug 27, 2019; Flushing, NY, USA; Petra Kvitova of Czech Republic serves to Denisa Allertova of Czech Republic on day two of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Danielle Parhizkaran-USA TODAY Sports

1520 PLAY UNDER WAY IN NEW YORK

Play began in bright sunshine with the temperature hovering around 21 degrees Celsius (69.8°F) and a forecast high of 23C.

Greek eighth seed Stefanos Tsitsipas faces Russia's Andrey Rublev at Louis Armstrong Stadium while women's top seed and defending champion Naomi Osaka of Japan is in action later against Russian Anna Blinkova at Arthur Ashe Stadium.

Aug 27, 2019; Flushing, NY, USA; Petra Kvitova of Czech Republic celebrates winning the first set over Denisa Allertova of Czech Republic on day two of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Danielle Parhizkaran-USA TODAY Sports

(Reporting by Rohith Nair in Bengaluru; Editing by Toby Davis and Emelia Sithole-Matarise)

Aug 27, 2019; Flushing, NY, USA; Denisa Allertova of Czech Republic hits to Petra Kvitova of Czech Republic on day two of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Danielle Parhizkaran-USA TODAY Sports