Porsche Tennis Grand Prix: Ash Barty rolls over Siegemund, Kenin fails due to continuity

Laura Siegemund suffered a bitter defeat at the home tournament in Stuttgart on Wednesday evening. The Filderstadt native lost in the round of 16 of the WTA 500 event to world number one Ash Barty with 0: 6 and 5: 7. With Sofia Kenin , the number three of the tournament failed surprisingly.