Novak's Djokovic's girlfriend Jelena Ristic is everything you want in a significant other.
She's smart (she's the director of the Novak Djokovic Foundation).
She's beautiful (obviously).
And she LOVES tennis. At any Djokovic match, you'll find Jelena in the crowd mirroring the rollercoaster of emotions that her boyfriend is going through on the court.
She cheers, cries, shouts, and gets stone silent with nervousness.
She's in New York this week for the U.S. Open. Expect some great reaction shots.
She goes nuts during big matches.

But she's more relaxed earlier in the tournaments.

She's just waiting until someone challenges Novak.

See the rest of the story at Business Insider