While Anderson defeated Feliciano Lopez , Istomin took out the fourth seeded Fernando Verdasco .
The last remaining quarter - final will be played in the afternoon session at the Grandstand between Denis Istomin and Kevin Anderson .
While Kevin Anderson defeated Feliciano Lopez , Denis Istomin took out the fourth seeded Fernando Verdasco .
The last remaining quarter - final will be played in the afternoon session at the Grandstand between Denis Istomin and Kevin Anderson .