Fourth seed Daria Gavrilova exits Prague Open with foot injury

Fourth seed Daria Gavrilova is out of the Prague Open at the first-round stage after retiring in the third set against Sam Stosur.

The world number 24 lost the first set 6-3 and claimed the second 6-4, but was forced to withdraw after suffering a foot injury whilstchasing a drop shot.

Eighth seed Katerina Siniakova, however, did reach the next stage, beating Andrea Petkovic 6-2 7-6 (7/4)

Great Britain’s Heather Watson continued her run of poor form as she lost 6-1 6-3 to Anna Karolina Schmiedlova.

Watson hasn’t tasted a win since – with her run of successive defeats not stretching to eight matches.

Elsewhere, Natalia Vikhlyantseva and lucky loser Tamara Korpatsch both won in straight sets, beating Carina Witthoeft and Oceane Dodin respectively.

China’s Qiang Wang and Ekaterina Alexandrova are also through.