Australia's former world number one Lleyton Hewitt battles past Slovakia's Dominik Hrbaty 6-7 (10) 7-6 (6) 7-5 to reach the quarter-finals of the Canada Masters.
World number two Rafael Nadal comes back from a set down to beat Frenchman Paul-Henri Mathieu 3-6 6-3 6-2 and reach the quarter-finals at the Canada Masters.
Former world number one Serena Williams says she is ready to return to action in New Haven after taking more than a month off with a thumb injury.
World number four Novak Djokovic rolls into the quarter-finals in Montreal with a 6-2 6-3 win over Argentine David Nalbandian.
World number one Roger Federer rolls over Italian qualifier Fabio Fognini 6-1 6-1 to reach the quarter-finals of the Canada Masters.
Unseeded Czech Radek Stepanek ousts German 12th seed Tommy Haas 6-3 2-6 6-2 to reach the quarter-finals of the Canada Masters.