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......

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......

Gauff beats Muchova in straight sets to win China Open

IMAGE: Coco Gauff of the U.S. celebrates winning her final match against Czech Republic's Karolina Muchova in the China Open. Photograph: Florence Lo / Reuters World number six Coco......