![Halle, Germany. 17th June, 2019. Tennis: ATP-Tour singles, men, 1st round, Haase (Netherlands) - Zverev (Germany). Spectators sit on the grandstand of the stadium, which can open and close its roof. Credit: Halle, Germany. 17th June, 2019. Tennis: ATP-Tour singles, men, 1st round, Haase (Netherlands) - Zverev (Germany). Spectators sit on the grandstand of the stadium, which can open and close its roof. Credit:](https://c8.alamy.com/comp/TWH8TP/halle-germany-17th-june-2019-tennis-atp-tour-singles-men-1st-round-haase-netherlands-zverev-germany-spectators-sit-on-the-grandstand-of-the-stadium-which-can-open-and-close-its-roof-credit-friso-gentschdpaalamy-live-news-TWH8TP.jpg)
Halle, Germany. 17th June, 2019. Tennis: ATP-Tour singles, men, 1st round, Haase (Netherlands) - Zverev (Germany). Spectators sit on the grandstand of the stadium, which can open and close its roof. Credit:
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