The world no. 2 in tennis Karolina Pliskova and fourth seed Daniil Medvedev reached the Australian Open third round each on Thursday.

Czech athlete Pliskova defeated Germany’s Laura Siegemund 2-0 (6,3, 6,3) in the women’s second round at Rod Laver Arena.

The fourth seed in women’s, Simona Halep from Romania also beat Harriet Dart of the U.K. with the sets of 6-2, 6-4 to be in the next round.

Meanwhile, the sixth seed in women’s, Swiss Belinda Bencic saw off Jelena Ostapenko from Latvia 7-5, 7,5 to advance to the third round.

In men’s second round, Russian Medvedev eliminated

Read more: Pliskova, Medvedev into Australian Open third round