Hamburg, Germany (4E Sports) – Alexander Zverev reached the semifinal of the bet-at-home Open after beating fellow Hamburg resident Tobias Kamke, 0-6, 7-5, 6-3, Friday.
With the win, Zverev became the first 17 year old to reach the semifinal of an ATP World Tour event since Marin Cilic in 2006 and the youngest ever to reach the semifinals of an ATP World Tour 500 tournament.
Should he reach the final, he would be the youngest player to reach a tour-level final since Rafael Nadal lost in the final of Auckland in 2004.
World No. 285 Zverev, who had never won a tour-level match coming into Hamburg, advanced to the quarterfinals with dropping a set, beating Robin Haase, fifth seed Mikhail Youzhny and 11th seed Santiago Giraldo.
Zverev recovered from a slow start against Kamke, winning just six points in the first set, to fight back and beat the No. 83-ranked Kamke in just over two hours. His next challenge will be against top seed David Ferrer.
Ferrer, for his part, wasted no time booking his semifinal berth, dismissing fellow Spaniard Pablo Andujar, 6-0, 6-2, in just 66 minutes.
Ferrer, 15 years older than his semifinal opponent, is bidding to reach his 44th tour-level final.
Meanwhile, world No. 46 Leonardo Mayer reached his second ATP World Tour semifinal of the season as he dismissed Dusan Lajovic 6-1, 7-5 in 75 minutes.
For a place in the final, Mayer will face seventh seed Philipp Kohlschreiber, who defeated Lukas Rosol, 6-4, 6-4, in 77 minutes.
On the women’s side, Mona Barthel advanced to the semifinal of the Swedish Open after beating Kaia Kanepi, 6-2, 7-6 (7-4).
For a spot in the final, Barthel will face Silvia Soler-Espinosa, who defeated Alexandra Panova, 6-3, 6-2.
The other semifinal pairing features Chanelle Scheepers and Jana Cepelova. Scheepers defeated Lara Arruabarrena, 6-2, 4-6, 6-3, while Cepelova beat Yulia Putintseva, 6-4, 7-5.