Petra Kvitova upsets Elena Rybakina for women's Miami Open title
MIAMI GARDENS, Fla. — Twelfth-seeded veteran Petra Kvitova, in her 13th appearance at the Miami Open, finally won her first crown here, upsetting seventh-seeded Elena Rybakina on Saturday with a marathon tiebreaker in a 7-6 (14), 6-2 win.


