![Musician David Foster (L) and Peter Haas watch the men's singles final match between Tommy Haas of Germany and Roger Federer of Switzerland at the Halle Open ATP tennis tournament in Halle Musician David Foster (L) and Peter Haas watch the men's singles final match between Tommy Haas of Germany and Roger Federer of Switzerland at the Halle Open ATP tennis tournament in Halle](https://c8.alamy.com/comp/2CXA6D6/musician-david-foster-l-and-peter-haas-watch-the-mens-singles-final-match-between-tommy-haas-of-germany-and-roger-federer-of-switzerland-at-the-halle-open-atp-tennis-tournament-in-halle-june-17-2012-reutersina-fassbender-germany-tags-sport-tennis-entertainment-2CXA6D6.jpg)
Musician David Foster (L) and Peter Haas watch the men's singles final match between Tommy Haas of Germany and Roger Federer of Switzerland at the Halle Open ATP tennis tournament in Halle
![German singer Juergen Drews (L) and Peter Haas, father of Tommy Haas, attend the 21st traditional 'Weisswurst Party' (Bavarian veal sausage party) at the well-known 'Stanglwirt' inn in Going, near Kitzbuehel, Austria, German singer Juergen Drews (L) and Peter Haas, father of Tommy Haas, attend the 21st traditional 'Weisswurst Party' (Bavarian veal sausage party) at the well-known 'Stanglwirt' inn in Going, near Kitzbuehel, Austria,](https://c8.alamy.com/comp/D6E7F7/german-singer-juergen-drews-l-and-peter-haas-father-of-tommy-haas-D6E7F7.jpg)
German singer Juergen Drews (L) and Peter Haas, father of Tommy Haas, attend the 21st traditional 'Weisswurst Party' (Bavarian veal sausage party) at the well-known 'Stanglwirt' inn in Going, near Kitzbuehel, Austria,
![Tommy Haas of Germany changes his shirt during his BA-CA Tennis Trophy first round match against Martin Fischer of Austria in Vienna October 10, 2006. REUTERS/Heinz-Peter Bader (AUSTRIA Stock Photo - Alamy Tommy Haas of Germany changes his shirt during his BA-CA Tennis Trophy first round match against Martin Fischer of Austria in Vienna October 10, 2006. REUTERS/Heinz-Peter Bader (AUSTRIA Stock Photo - Alamy](https://c8.alamy.com/comp/2E8CB55/tommy-haas-of-germany-changes-his-shirt-during-his-ba-ca-tennis-trophy-first-round-match-against-martin-fischer-of-austria-in-vienna-october-10-2006-reutersheinz-peter-bader-austria-2E8CB55.jpg)
Tommy Haas of Germany changes his shirt during his BA-CA Tennis Trophy first round match against Martin Fischer of Austria in Vienna October 10, 2006. REUTERS/Heinz-Peter Bader (AUSTRIA Stock Photo - Alamy
![London, UK, 10th July 2019: Sara Foster and Tommy Haas visit the Royal Box at day 9 at the Wimbledon Tennis Championships 2019 at the All England Lawn Tennis and Croquet Club London, UK, 10th July 2019: Sara Foster and Tommy Haas visit the Royal Box at day 9 at the Wimbledon Tennis Championships 2019 at the All England Lawn Tennis and Croquet Club](https://c8.alamy.com/comp/W2PHKX/london-uk-10th-july-2019-sara-foster-and-tommy-haas-visit-the-royal-box-at-day-9-at-the-wimbledon-tennis-championships-2019-at-the-all-england-lawn-tennis-and-croquet-club-in-london-credit-frank-molteralamy-live-news-W2PHKX.jpg)