Hirano Miu (L) and Ito Mima (R) of Japan celebrate their win after defeating Feng Tian Wei and Yu Meng Yu of Singapore during the Women's Doubles semi-final at the 2014 ITTF World Tour Grand Finals
Robertus Pudyanto/Getty Images
Athletes
International Day of Friendship: Friendly rivalries
Happy International Day of Friendship! These Olympians may be the fiercest of rivals on the court, in the pool or on the track, but they all share close bonds and special friendships.