Belinda Bencic of Switzerland on Monday became the fifth of the top 10 women's seeds to lose early at the BNP Paribas Open, echoing the fluctuation in the world rankings after No. 1 Serena Williams.
Bencic, ranked No. 8 and seeded seventh here, was victimized by her erratic serve and the forehand slices of world No. 97 Magdalena Rybarikova of Slovakia, who prevailed, 6-4, 3-6, 6-3, at Stadium 2 to advance to the round of 16.
Bencic's departure left ninth-seeded Roberta Vinci of Italy — a 6-1, 6-3 winner over No. 17 Elina Svitolina of Ukraine — as the highest remaining seed in the bottom half of the draw.
So far, No. 2 Angelique Kerber, No. 4 Garbine Muguruza, No. 6 Carla...