Coco Gauff, Ons Jabeur earn hard-fought wins in Stuttgart
STUTTGART, Germany -- Coco Gauff battled her way to the quarterfinals of the Porsche Grand Prix on Wednesday with a hard-fought 6-3, 4-6, 7-5 win over compatriot Sachia Vickery. The 134th-ranked Vickery created 19 break points but could only convert seven ...