Cincinnati Masters: Griekspoor loses to Michelsen

American qualifier Alex Michelsen reached the second round of the Cincinnati Masters by defeating Dutchman Tallon Griekspoor 6-1, 5-7, 6-2 at the Lindner Family Tennis Center on Tuesday.

Michelsen, ranked No 57, will play top seed Jannik Sinner next.

Cincinnati Masters 1000, other first-round results (Lindner Family Tennis Center, hard, USD 6.795.555, most recent results first):

• Brandon Holt vs. Arthur Fils
• Gael Monfils vs. Alexei Popyrin
• Adrian Mannarino vs. Nuno Borges
• Holger Rune vs. Matteo Berrettini
• Jan-Lennard Struff vs. Stefanos Tsitsipas
• Jack Draper vs. Jaume Munar
• Felix Auger-Aliassime vs. Aleksandar Kovacevic
• Fabian Marozsan vs. Corentin Moutet
• Tomas Martin Etcheverry vs. Matteo Arnaldi
• Pablo Carreno Busta vs. Sebastian Korda
• Max Purcell vs. Tomas Machac
• Taylor Fritz vs. Brandon Nakashima
• Yoshihito Nishioka vs. Miomir Kecmanovic
• Lorenzo Musetti vs. Nicolas Jarry
• Ben Shelton vs. Reilly Opelka: tuesday
• Jordan Thompson vs. Ugo Humbert: tuesday
• Jiri Lehecka beat Mariano Navone: 7-6 (3), 6-3
• Frances Tiafoe beat Alejandro Davidovich Fokina: 6-3, 7-6 (6)
• Luciano Darderi beat Alejandro Tabilo: 6-3, 7-6 (5)
• Sebastian Baez beat Marcos Giron: 6-4, 5-7, 7-6 (6)
• Zhizhen Zhang beat Giovanni Mpetshi Perricard: 6-3, 7-6 (4)
• Karen Khachanov beat Francisco Cerundolo: 6-0, 6-3
• Flavio Cobolli beat Tommy Paul (10): 6-2, 4-6, 7-5