The WTA’s DIRECTV Open begins in Sopo, Colombia, with Round 1 play set for Main Court on Monday afternoon. Sofia Costoulas of Belgium opens against Antonella Esquivel Useche of Colombia in the tournament’s opening fixture, scheduled for the 12:00 PM EST window. A win advances a player into the next round of the main draw, while a loss ends the week’s campaign; the Main Court assignment gives the Colombian opponent a home-platform advantage as the tournament’s opening matchup takes the court.