WTA roundup: Canadian teen upsets top seed in Guadalajara

(Photo credit: Dan Hamilton-Imagn Images)
Top-seeded Jelena Ostapenko of Latvia squandered four match points and lost 6-3, 5-7, 7-6 (0) to Marina Stakusic in the round of 16 at the Guadalajara Open Akron in Mexico on Thursday.

Ostapenko led 4-0 in the third set, then had a match point on Stakusic's serve while leading 5-4 and three more on her own serve while up 6-5.

Stakusic, a 19-year-old Canadian who is ranked 155th