After the day session matches were done on Monday, there was a special ceremony about to kick off...
It was the opening ceremony for the Bell Challenge, with a cocktail party to follow afterwards.
Eugenie Bouchard and Marina Erakovic were among those stepping out onto the court for the ceremony.
The players - almost all the main draw players - threw autographed tennis balls into the stands.
The stars of the Bell Challenge - along with the tournament mascot, Belle - posed for a group shot.
Fresh off their US Open doubles triumph, Lucie Hradecka and Andrea Hlavackova posed with Belle.
The Czechs - as well as many other players - also gave out autographs during the cocktail party.
The Czech pair with the last two champions here, Barbora Zahlavova Strycova and Kirsten Flipkens.
Bell and Banque Nationale executives were also there for the cocktail party on Monday night.
Christina McHale took some time out to visit with some local school children and answer questions.
McHale is a former Top 25 player who is currently working her way back up the WTA Rankings.
She nearly reached her first Grand Slam second week, serving for her third round match in New York.
Eugenie Bouchard also took some time out to speak to the young ones - she's just 19 herself...
Bouchard is Canada's No.1 player and one of 12 teenagers in the Top 100 players in the world.
Speaking of teenagers - another 19-year-old, Caroline Garcia of France, at an autograph session.