Chwalinska claims career-best win as Swiatek advances in Wuhan Open

Wuhan, Oct 15 (UNI) Poland's Maja Chwalinska claimed the highest-ranked scalp of her career Thursday, upsetting world No. 11 Iva Jovic of the United States 6-4, 6-1 to reach the Wuhan Open quarterfinals, while Diana Shnaider knocked out sixth-seeded Karolina Muchova. Chwalinska delivered a composed performance against Jovic, overcoming a series of demanding rallies to secure the biggest win of her career in terms of her opponent's ranking. "I think it was quite a solid match from my side," Chwalinska said. "Iva is an amazing player. I knew that I needed to play my best game to get a win…