Japanese tennis star Naomi Osaka (Anadolu)

ISTANBUL – Two-time Grand Slam champion Naomi Osaka has qualified for the quarterfinals of the 2020 US Open.

Japanese star Osaka, 22, eliminated Estonia’s Anett Kontaveit with the sets of 6-3 and 6-4 to advance to the next stage in the tournament.

Veteran American tennis star Serena Williams also moved to the quarterfinals at Flushing Meadows in New York on Monday.

Williams, 38, eliminated Maria Sakkari from Greece with sets of 6-3, 6-7 (6), 6-3 in the fourth round to advance to the next phase.

The third-seeded Williams has won 23 Grand Slams including six US Open titles (1999, 2002, 2008, 2012, 2013 and 2014) during her remarkable career.

Meanwhile, the 2016 US Open champion Angelique Kerber has been eliminated from the tournament as Jennifer Brady defeated her with the sets of 6-1 and 6-4.

Also, No.6 seed Petra Kvitova from the Czech Republic and Croatia's Petra Martic -- No.8 seed -- have been knocked out of US Open.

In men's singles, German player Alexander Zverev beat Spain's Alejandro Davidovich Fokina with 6-2, 6-2, and 6-1 in one hour and 34 minutes to reach the quarterfinals.

Canadian player Denis Shapovalov eliminated David Goffin from Belgium with the sets of 6-7, 6-3, 6-4, and 6-3 in the US Open. (Anadolu)