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Hamburg European Open: 4 match balls fended off - Federico Delbonis and his serve reach the semifinals · tennisnet.com
TENNIS on Twitter: "Jack Sock now working with former USTA coach Jay Berger | https://t.co/8qRdiORcEV https://t.co/bY9JumIEDZ" / Twitter
GreatBase Tennis - Jay Berger Jay Berger resigned this week from his leadership role with the USTA. Jay, most recently, was in charge of men's tennis and prior to that he was
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