HEADLINESSabalenka picks up 1st win at WTA Finals, will face Andreeva nextGauff opens WTA Finals with win over Pegula at Indian WellsRybakina out before WTA Finals begin; Kostyuk steps inBurrage receives death threats, abuse on social media after 1st match in 16 monthsRybakina, Sabalenka to lead season-ending WTA Finals groups at Indian Wells