Hamburg Open: Zverev advances to second round

German Alexander Zverev, the top seed, moved into the second round of the Hamburg Open by beating American qualifier Aleksandar Kovacevic 6-1, 7-6 (5) at Tennis Stadion on Monday afternoon.

Zverev, ranked No 3, will play Frenchman Alexandre Muller next.

Hamburg ATP 500, other first-round results (Tennis Stadion, clay, EUR 2.158.560, most recent results first):

• Daniel Altmaier vs. Felix Auger-Aliassime
• Alejandro Davidovich Fokina vs. Gael Monfils
• Giovanni Mpetshi Perricard vs. Alexander Bublik
• Yunchaokete Bu vs. Frances Tiafoe
• Sebastian Baez vs. Camilo Ugo Carabelli
• Vitaliy Sachko vs. Flavio Cobolli
• Tomas Martin Etcheverry vs. Francisco Comesana
• Jan-Lennard Struff vs. Justin Engel
• Jiri Lehecka beat Borna Gojo (Q): 6-4, 3-6, 6-2
• Alexandre Muller beat Elias Ymer (Q): 6-3, 7-5
• Andrey Rublev (3) beat Damir Dzumhur: 6-4, 6-3
• Roberto Bautista Agut beat Marcos Giron: 7-6 (5), 6-0
• Brandon Nakashima (7) beat Raphael Collignon (Q): 6-5 ret.
• Francisco Cerundolo (4) beat Pedro Martinez Portero: 6-2, 6-3
• Luciano Darderi beat Diego Dedura-Palomero (WC): 6-1, 6-4