Top Seed Pliskova Gets Past Gibbs, Osaka Backs Up Kerber Win to Reach Third Round (August 31, 2017) FLUSHING MEADOWS, NY – Naomi Osaka backed up her win over defending champion Angelique Kerber, while top seed Karolina Pliskova had to fight off American Nicole Gibbs to advance to the third round of the US Open on Thursday. Osaka needed three sets to beat Czech Denisa … [Read more...] about Top Seed Pliskova Gets Past Gibbs, Osaka Backs Up Kerber Win to Reach Third Round