日本での視聴手段詳細については、今後の発表待ちですね。 Sunday 12.18 − Match Play including men’s and women’s singles and a mixed doubles match to follow. Format is best two out of three sets. Kei Nishikori has committed to playing in both singles and mixed doubles! The Waikiki Cup is broadcast LIVE on Tennis Channel in North America and on many networks around the world. (Waikiki Cup 公式サイトより引用)