Wellington: Australian controversial tennis player Bernard Tomic secured his third ATP title by retaining the Clara Open title after defeating his French opponent Adrian Mannarino in a three-set thriller in Bogota.

The 22-year-old also extended his unbeaten run in the Colombian capital to nine matches after trouncing Mannarino 6-1, 3-6, 6-2, in a match that lasted one hour and 32 minutes, Stuff.co.nz reported.