Andrea Petkovic celebrated her place in the quarter-finals with a little dance, while Nicola Kuhn limped off the field. As a big outsider, the 22-year-old tennis pro missed the sensation against young star Carlos Alcaraz in round one at the European Open in Hamburg.

Andrea Petkovic celebrated her place in the quarter-finals with a little dance, while Nicola Kuhn limped off the field. As a big outsider, the 22-year-old tennis pro missed the sensation against young star Carlos Alcaraz in round one at the European Open in Hamburg.