Tennis fans know all about love. At the 2017 U.S. Open, they're passionate about seeing Roger Federer, at age 36, continue his extraordinary season and make a run at his third Grand Slam title this year—and his 20th overall. (Photo by Jim Spellman/WireImage)Also spotted were perennial Open fans Alec Baldwin, Martha Stewart and Katie Couric. (Photo by Jim Spellman/WireImage)There were even athletes from other sports, including golfer Greg Norman and former heavyweight champion Mike Tyson (who was spotted at the Mayweather-McGregor fight last weekend). (Photo by Jamie McCarthy/Getty Images)And some, like actor Keegan-Michael Key, understood that the key to enjoying U.S. Open tennis—particularly night matches in New York—is to get a cocktail and hold court at courtside.

Source: Forbes August 29, 2017 14:03 UTC