Roger Federer and Stan Wawrinka both advanced through to round-three of the Rogers Cup in Toronto, as the build-up to the US Open hit top gear at the ATP Toronto Masters.
Federer returned to action for the first time since his epic five-set loss to Novak Djokovic in the final of Wimbledon, however there was no rustiness to his game as he got his quest for a third title in Toronto underway with a stylish, 6-2, 6-0 victory over Canada's Peter Polansky.
The Swiss legend has been in decent form this season under the guidance of Stefan Edberg, with titles in Dubai and Halle. The 32-year old has also made final appearances in Brisbane, Wimbledon and Indian Wells, suggesting their is more to come on the hard-courts of the US, a surface the 17-times Grand Slam Champion has won 53 titles on.
Federer has also tasted success in Toronto on two-occasions in 2004 and 2006, while he also featured in two other finals, losing to Andy Murray and Novak Djokovic in 2010 and 2007 respectively.
Federer told the media after his opening win: "I was happy, I started well, and that's always helpful to play more freely,"
"I could have served better at times, but I felt I was moving well.
"For the start of a tournament it's never clear if that's going to be the case. I'm very relieved and just really pleased."
Next up for the Swiss great will be either Marin Cilic or Malek Jaziri who face-off later today.
Australian Open Champion, Stan Wawrinka, a potential semi-final opponent of Federer, had a much tougher day in the office when he came from behind to beat Frenchman Benoit Paire 4-6, 6-3, 7-6.
Wawrinka, a three-times winner on tour this season takes on the winner of Fabio Fognini and big serving South African Kevin Anderson.
Other big names to advance through yesterday were Latvian Ernests Gulbis who defeated Portugal's Joao Sousa 6-3, 6-4, two-times Toronto runner-up Richard Gasquet, brushed aside last week's Washington, D.C., runner-up Vasek Pospisil of Canada 7-5, 7-5, while Spaniard Tommy Robredo defeated German Philipp Kohlschreiber 6-3, 7-6.
Other first-round winners were Gael Monfils and Gilles Simon, Italian Andreas Seppi, Taiwan's Yen-Hsun Lu, Tunisian lucky loser Malek Jaziri and Ivo Karlovic of Croatia.
2013 Semi-final action, Djokovic v Nadal
Thee-times Champion, Novak Djokovic, returns to court for the first time since his Wimbledon triumph, when he faces Gael Monfils in a tricky opener, although the world number one has an 11-1 record against the erratic Frenchman.
Andy Murray, winner in 2009 and 2010, takes on Australian newcomer Nick Kyrgios after the Aussie defeated Colombian Santiago Giraldo 7-6, 7-5. Kyrgios made a name for himself at SW19 when he defeated Richar Gasquet and Rafa Nadal on his way to the semi-finals.
Washington winner, local favourite and Wimbledon semi-finalist, Milos Raonic, begins his campaign today against rising American star Jack Stock. The big serving Canadian hoping to go one better this year after losing to Nadal in last years final.
While another Wimbledon semi-finalist, Grigor Dimitrov, takes on Donald Young, the Bulgarian superstar is already a three-times winner on Tour this year and will be hoping to add a Masters 100 event to his growing collection.