Alexander Zverev sets up Munich semi-final against Hyeon Chung

Top seed and defending champion Alexander Zverev has cruised into the semi-finals of the Munich Open.

The world number three needed just 62 minutes to beat fellow German Jan-Lennard Struff 6-3 6-2, wrapping up the match with an ace on his second serve.

Zverev will now face fourth seed Hyeon Chung in a mouth-watering clash in the last four.

South Korean talent Chung advanced with a 6-3 6-4 victory over Slovakian qualifier and 2014 champion Martin Klizan.

The other semi-final in Munich will be an all-German affair as Philipp Kohlschreiber faces Maximilian Marterer.

Three-time champion Kohlschreiber battled past number two seed Roberto Bautista Agut 6-4 6-4 while Marterer defeated Hungarian Marton Fucsovics 6-3 6-4.

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