Colombian wildcard Maria Camila Osorio Serrano clinched her maiden WTA title in Bogota on Sunday, defeating Slovenian fifth seed Tamara Zidansek in the longest final of the season. The 19-year-old former world junior number one won 5-7, 6-3, 6-4 in the two-hour, 48-minute championship match. World No.180 Osorio Serrano becomes the lowest-ranked WTA champion since 299th-ranked Margarita Gasparyan won Tashkent in 2018. dj/mw