Hamburg Open: Zhang sees off Altmaier to reach semi-finals

Chinese Zhizhen Zhang reached the semi-finals of the Hamburg Open by defeating German Daniel Altmaier 6-4, 6-4 at Am Rothenbaum on Friday.

Zhang, ranked No 79, will play Serb Laslo Djere, who upset Loenzo Musetti, next.

Ahead of his victory, the Chinese won against qualifier Jan Choinski (6-4, 7-5) and edged out German Yannick Hanfmann (4-6, 6-1, 6-4).

Altmaier, ranked No 61, won against Frenchman Richard Gasquet (7-5, 6-4) and Russian Andrey Rublev, the second seed (6-2, 6-2) earlier in the tournament.

Hamburg ATP500, other quarter-finals results (Am Rothenbaum, clay, EUR 1.831.515, most recent results first):

• Casper Ruud vs. Arthur Fils
• Alexander Zverev vs. Luca Van Assche
• Laslo Djere beat Lorenzo Musetti (3): 7-5, 6-3