Tennis Unrated: Enjoy a classic slugfest between two greats to get you through #humpday - @serenawilliams vs Jelena Jankovic in the 2008 final. Are you Team Serena 🇺🇸 or Team Jankovic 🇷🇸? #USOpen _ #sport #tennis #winter #jankovic #instasport #throwback #serenawilliams #womenwhoinspire