153 combined quarterfinal appearances from the 16 remaining players (9.56/player) set up a great weekend of tennis in Cincinnati. The top 2 WTA seeds are out, but 3 of top 4 ATP seeds are still around. Six of the eight ATP players have won a 1000 already. Four of the eight WTA have won a 1000 already. An established field of experienced players that have won big tournaments before take us into the last few rounds.
