Osaka received medical attention down 3-0 in the first set against Karolína Muchová, then retired early in the second.

Four-time Grand Slam winner Naomi Osaka is through to the semi-finals of the Wimbledon warm-up tournament in Bad Homburg, Germany after a dominant win over Ekaterina Alexandrova…

Four-time Grand Slam winner Naomi Osaka is into the first grass court final of her career after blasting past China's Wang Xinyu at Bad Homburg on Friday.