Zverev beats qualifier Tiafoe in Vienna for 5th win in 2021 - The San Diego Union-Tribune

Alexander Zverev won his fifth ATP title of the season and 18th overall by defeating American qualifier Frances Tiafoe 7-5, 6-4 at the Erste Bank Open

Alexander Zverev wins fifth tournament in 2021: 'I can compete for

Vienna Open 2021 Winner: Alexander Zverev wins ATP Vienna Open

Juan Martín del Potro - Wikipedia

Zverev beats qualifier Tiafoe in Vienna for 5th win in 2021 - The San

Zverev beats qualifier Tiafoe in Vienna for 5th win in 2021

Qualifier Tiafoe stuns Sinner, faces Zverev in Vienna final - The

Zverev wins fifth title of the year in Vienna – DW – 10/31/2021

Chicago Tribune - Year 173 No. 230 (18 Aug 2021)

Vienna Open 2021 Winner: Alexander Zverev wins ATP Vienna Open

Alexander Zverev beats Frances Tiafoe to take Vienna Open title

US Open: Five-set jokes apart, win over Tiafoe showed both sides