Talking Tactics With Korda's Coach At Mexico City Challenger Apr 10, 2018 Dean Goldfine discusses how his pupil, American teen Sebastian Korda, is approaching the ATP Challenger Tour event in Mexico City. Video courtesy of CDMX Open. Tags: 2018 Challenger Interviews Mexico City NextGen Sebastian Korda Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus