Leonardo Mayer upsets Philipp Kohlschreiber 7-5, 6-4 to reach Hamburg final
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Leonardo Mayer of Argentina upset the seventh-seeded Philipp Kohlschreiber 7-5, 6-4 to reach the Hamburg Open final on Saturday.
The 46th-ranked Mayer converted four of his seven break chances.
He did not drop a set in five matches on his way to the final, where he will play top seed David Ferrer or 17-year-old Alexander Zverev, who is playing in his hometown tournament.
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Mayer is bidding for his first ATP title after losing in his maiden final to Fabio Fognini at Vina del Mar in February.