![TennisExplorer.com on X: "Donald #Young (3.69) v Jack #Sock (1.43) 16:00, Basel, quarterfinal, indoors https://t.co/l449I5y6gL https://t.co/sevV7G5yaM" / X TennisExplorer.com on X: "Donald #Young (3.69) v Jack #Sock (1.43) 16:00, Basel, quarterfinal, indoors https://t.co/l449I5y6gL https://t.co/sevV7G5yaM" / X](https://pbs.twimg.com/media/CShN-UJWEAApiF7.jpg:large)
TennisExplorer.com on X: "Donald #Young (3.69) v Jack #Sock (1.43) 16:00, Basel, quarterfinal, indoors https://t.co/l449I5y6gL https://t.co/sevV7G5yaM" / X
![London, UK. 16th Nov, 2017. ATP Tennis, London, November 16, 2017 Jack Jack SOCK, USA plays football at the warm-up Training with his girlfriend Michala Burns Alexander (Sascha) ZVEREV, GER vs Jack London, UK. 16th Nov, 2017. ATP Tennis, London, November 16, 2017 Jack Jack SOCK, USA plays football at the warm-up Training with his girlfriend Michala Burns Alexander (Sascha) ZVEREV, GER vs Jack](https://c8.alamy.com/comp/KHEWTY/london-uk-16th-nov-2017-atp-tennis-london-november-16-2017-jack-jack-KHEWTY.jpg)
London, UK. 16th Nov, 2017. ATP Tennis, London, November 16, 2017 Jack Jack SOCK, USA plays football at the warm-up Training with his girlfriend Michala Burns Alexander (Sascha) ZVEREV, GER vs Jack
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