Laura Siegemund after Miami title: "My goal is to get back into the top 100"

Laura Siegemund has been working regularly for Porsche Team Germany since 2017. After a long injury break, the 34-year-old is now back and is taking part in the Billie Jean King Cup (formerly Fed Cup) in Kazakhstan. She spoke to the German Tennis Association about her performance at the Miami Open, the condition of her knee and old habits...