Sarina Koga spikes the ball in the first set of Japan's straightsets win over Serbia in their opening game at the World Grand Prix in Rio de Janeiro...
{"Image ImageDescription": "Sarina Koga (L) spikes the ball in the first set of Japan's straight-sets win over Serbia in their opening game at the World Grand Prix in Rio de Janeiro on June 9, 2016. Koga scored a game-high 20 points. (Photo by Kyodo News Stills via Getty Images)", "Image Copyright": "2016 Kyodo News"}