Ugo Humbert Ugo Humbert (; born 26 June 1998) is a French professional tennis player. He has achieved a career-high ATP singles ranking of No. 25 on 21 June 2021. He also has a career-high ATP doubles ranking of No. 361 achieved on 14 October 2019. Humbert ...

was the defending champion, but chose not to participate this year.

Jannik Sinner Jannik Sinner (; ; born 16 August 2001) is an Italian professional tennis player. He has been ranked as high as world No. 9 by the Association of Tennis Professionals (ATP), achieved on 1 November 2021, and world No. 124 in doubles, achieved on 2 ...

won the title, defeating

Diego Schwartzman Diego Sebastián Schwartzman (, ; born 16 August 1992) is an Argentine professional tennis player. He has won four ATP singles titles and reached his career-high singles ranking of world 8 in October 2020. As a clay court specialist, his be ...

in the final, 6–2, 6–2.

Seeds

The top four

seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl ...

received a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

External links

Main draw

Qualifying draw
{{DEFAULTSORT:European Open - Singles, 2021 2021 ATP Tour

2021 Singles 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1 ...