![View of the main field of the Steffi Graf tennis stadium on the grounds of Lawn Tennis-, Turner-Clubs (LTTC) Rot-Weiß-Berlin, home of tennis player Sabine Lisicki, in Berlin, Germany, 06 July 2013. View of the main field of the Steffi Graf tennis stadium on the grounds of Lawn Tennis-, Turner-Clubs (LTTC) Rot-Weiß-Berlin, home of tennis player Sabine Lisicki, in Berlin, Germany, 06 July 2013.](https://c8.alamy.com/comp/DA6M70/view-of-the-main-field-of-the-steffi-graf-tennis-stadium-on-the-grounds-DA6M70.jpg)
View of the main field of the Steffi Graf tennis stadium on the grounds of Lawn Tennis-, Turner-Clubs (LTTC) Rot-Weiß-Berlin, home of tennis player Sabine Lisicki, in Berlin, Germany, 06 July 2013.
![dpa) - Former tennis players Steffi Graf (L) and Gabriela Sabatini share a laugh after their exhibition match at Max Schmeling Halle in Berlin, 25 September 2004. Steffi Graf, who resigned from dpa) - Former tennis players Steffi Graf (L) and Gabriela Sabatini share a laugh after their exhibition match at Max Schmeling Halle in Berlin, 25 September 2004. Steffi Graf, who resigned from](https://c8.alamy.com/comp/D3GDMN/dpa-former-tennis-players-steffi-graf-l-and-gabriela-sabatini-share-D3GDMN.jpg)
dpa) - Former tennis players Steffi Graf (L) and Gabriela Sabatini share a laugh after their exhibition match at Max Schmeling Halle in Berlin, 25 September 2004. Steffi Graf, who resigned from
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