Anastasia Zakharova upset No.7 seed Varvara Gracheva for the loss of just four games at the Hong Kong Tennis Open to reach the first tour-level quarterfinal of her career. The result was the 22-year-old's 12th straight match win following title runs at the Cherbourg-en-Cotentin ITF W50 and Les Franqueses del Valles ITF W100.