It was, by any measure, a grand slam.

Before any tennis action at the opening of the US Open, VIPs flocked to the USTA Foundation’s annual gala, which this year celebrated the 50th anniversary of the National Junior Tennis & Learning network, co-founded by Arthur Ashe.

During a spirited auction, a lunch with Alec Baldwin and Katie Couric went for $25,000.Hugh Jackman sent a video tribute to Rod Laver. The night raised about $1.3 million.

Also spotted: Tiki Barber, Mike Tyson and Vera Wang.