Ana Ivanovic - Guys, I am starting a fitness challenge together with you! Let's motivate each other to build a healthy habit of moving each day for the next days starting tomorrow.
![ANA IVANOVIC competes at the Australian Open. The Australian Open - a Grand Slam Tournament - is the opening event of the tennis calendar annually Stock Photo - Alamy ANA IVANOVIC competes at the Australian Open. The Australian Open - a Grand Slam Tournament - is the opening event of the tennis calendar annually Stock Photo - Alamy](https://c8.alamy.com/comp/KDBBED/ana-ivanovic-competes-at-the-australian-open-the-australian-open-a-KDBBED.jpg)
ANA IVANOVIC competes at the Australian Open. The Australian Open - a Grand Slam Tournament - is the opening event of the tennis calendar annually Stock Photo - Alamy
![Nigel Sears back working with Ana Ivanovic after Australian Open collapse | Tennis News | Sky Sports Nigel Sears back working with Ana Ivanovic after Australian Open collapse | Tennis News | Sky Sports](https://e0.365dm.com/16/01/2048x1152/tennis-ana-ivanovic-nigel-sears_3404318.jpg)