INDIAN WELLS, Calif. -- Wimbledon champion Angelique Kerber dropped just two games in winning her second-round match at the BNP Paribas Open.
Kerber beat Yulia Putintseva 6-0, 6-2 on Saturday, breaking serve to open the match on her way to winning the first 10 games in a row.
Kerber, seeded eighth, converted 93 percent of her first serves and moved on to a third-round match against qualifier Natalia Vikhlyantseva.
Other seeded winners were: No. 9 Aryna Sabalenka, No. 11 Anastasija Sevastova, No. 21 Anett Kontaveit and No. 24 Lesia Tsurenko.
No. 30 Laslo Djere won on the men’s side.
The world’s top-ranked players - Novak Djokovic and Naomi Osaka - had night matches at Indian Wells Tennis Garden.
There were several upsets on Day 4 of the combined ATP-WTA event.
No. 9 Stefanos Tsitsipas, who lost to Roger Federer in both the Australian Open semifinals and the final in Dubai last week, was ousted by Felix Auger-Aliassime 6-4, 6-2.
Also losing on the men’s side were No. 11 Borna Coric and No. 23 Alex de Minaur.
In the women’s draw, No. 17 Madison Keys, No. 26 Carla Suarez Navarro and No. 28 Donna Vekic lost.