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

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

Three to See, Day 6: Berrettini vs. Zverev; Jabeur vs. Andreescu

Zverev beats qualifier Frances Tiafoe in Vienna for fifth win in 2021

E-edition Register-Star September 1 2021 by Columbia-Greene Media

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Three to See, Day 6: Berrettini vs. Zverev; Jabeur vs. Andreescu

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