A TENNIS star won a match with an underarm serve that aced her opponent. Ukrainian Marta Kostyuk progressed to the Miami Open Round of 16 with a 6-2 6-1 win over Russian Anna Blinkova. Kostyuk ...

WATCH:Marta Kostyuk defeats Varvara Gracheva at the 2023 ATX Open Championship. Marta Kostyuk won her first career WTA title at age 20 by beating Varvara Gracheva 6-3, 7-5 in the ATX Open final on ...