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Hertha hosted Union in the tenth round of the German championship and achieved a strong-willed victory.
The hosts were helped to score three points by two accurate shots of Pionteca in the second half of the game.
Hertha - Union 3: 1.
Goals: Pekarik, 51, Piontek, 74, 77 - Avoniyi, 20 Hertha: Shvolov - Pekarik (Zefeik, 90), Boyata, Torunariga, Plattenhardt - Stark, Darida (Piontek, 46), Tusar (Dilrosun, 46), Genduzi,.
Union Berlin: Lute - Knoche, Friedrich, Rjerson (Becker, 82), Trimmel (Bulter, 78), Lenz (Gisselmann, 77) - Andrich, Premel (Teuchert, 83) - Kruse, Ingwartsen, Avonii (Griesbeck, 54).
Warnings: Cunha - Trimmel, Rierson, Lenz.