Nishikori comes up aces, rolls into 3rd round in Australia

MELBOURNE, Australia (AP) - Kei Nishikori wants to extend a Grand Slam sequence at the Australian Open. He's not making it easy.

Eighth-seeded Nishikori withstood 59 aces from Ivo Karlovic, and had to save three break points deep in the fifth, before beating the 39-year-old Croatian 6-3, 7-6 (6), 5-7, ...
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