US Open: Muguruza stunned by qualifier Karolina Muchova

IMAGE: Spain's Garbine Muguruza serves against Czech Republic's Karolina Muchova in the second round match of the US Open tennis tournament at USTA Billie Jean King National Tennis Center on......

Drama at US Open: Why Muchova stopped mid-serve in tears

IMAGE: Despite the unsettling distraction, Karolina  Muchova rallied to secure a gruelling three-set victory. Photograph: Amber Searls-Imagn Images/Reuters Karolina Muchova reminded the tennis......

Anisimova Shocks Swiatek! Osaka Ousts Muchova

Six weeks ago Amanda Anisimova couldn't win a single game against Iga Swiatek in the Wimbledon final.On Wednesday the American beat the Polish second seed in straight sets. IMAGE: Amanda Anisimova......

PIX: Venus Williams loses in 1st round in US Open comeback

IMAGE: Venus Williams leaves the court after losing her first round match against Czech Republic's Karolina Muchova at the US Open on Monday. Photograph: Eduardo Munoz/Reuters Venus Williams......

China Open: Muchova, Zheng advance to semis

IMAGE: Czech Republic's Karolina Muchova in action during her quarter final match against Belarus' Aryna Sabalenka. Photograph: Florence Lo / Reuters Karolina Muchova snapped U.S. Open......