Johanna Konta lofted a lob off the baseline for a winner on championship point, waited for instant replay to confirm the call and even then hesitated to celebrate the biggest title of her 11-year career.
"To be honest, I actually couldn't kind of believe it was over," she said with a grin.
Seeded 10th, Konta was an unlikely champion, but the Australian-born Briton beat Caroline Wozniacki 6-4, 6-3 in Saturday's final at the Miami Open.
Rafael Nadal and Roger Federer renew their rivalry where it began in the men's final Sunday.
Konta, a late bloomer at 25, improved to 19-3 this year and will climb to a career-high No. 7 next week. She was the first...