For the world's best tennis players battling it out at the U.S. Open, which officially kicked off on Monday, the challenge is twofold: Winning on the courts and at capturing it all on Instagram. Here's a guide to the best contenders for following the action, which'll keep Flushing Meadows in New York buzzing until September 10.
Who: Venus Williams
Why: She may be second to Serena in holding the most Grand Slam titles, but when it comes to hair, Venus has her sister beat: She's been sporting red braids this summer everywhere from New York to Rio.
Who: Andy Murray
Why: The Scottish player, #2 in the world, isn't afraid to show off his muscles (and his dog, Rusty.)
Who: John Isner
Why: The star server, who stands at 6'10", is another big animal lover, and has a dog named Ollie.
Who: Garbiñe Muguruza
Why: Venezulan and just 22, Muguruza's feed is part workout, part ombré hair inspiration.
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