Vienna Open: Giron defeats Michelson to reach second round

Marcos Giron defeated Alex Michelsen 7-6 (4), 6-3 to reach the second round of the Vienna Open at the Wiener Stadthalle.

Giron, ranked No 48, will face German Alexander Zverev, the top seed, next.

Vienna ATP 500, other first-round results (Wiener Stadthalle, hard, EUR 2.470.310, most recent results first):

• Brandon Nakashima vs. Tommy Paul
• Karen Khachanov vs. Thiago Seyboth Wild
• Tomas Machac vs. Fabian Marozsan
• Grigor Dimitrov vs. Zhizhen Zhang
• Kei Nishikori vs. Jack Draper
• Dominic Thiem vs. Luciano Darderi
• Lorenzo Sonego vs. Lorenzo Musetti
• Quentin Halys vs. Gael Monfils
• Frances Tiafoe vs. Cameron Norrie
• Alex De Minaur (2) beat Jan-Lennard Struff: 2-6, 6-2, 6-2
• Miomir Kecmanovic beat Mariano Navone: 6-2, 6-4
• Jakub Mensik (Q) beat Alexei Popyrin (8): 7-6 (3), 6-2
• Alexander Zverev beat Joel Josef Schwaerzler (WC): 6-2, 6-2
• Matteo Berrettini beat Marton Fucsovics (Q): 7-5, 6-4
• Flavio Cobolli beat Alejandro Davidovich Fokina: 7-6 (1), 6-3