Laslo Đere Laslo Đere ( sr-Cyrl, Ласло Ђере; ; born 2 June 1995) is a Serbian professional tennis player. He is a member of the Hungarian community in Serbia. He has won two ATP Tour singles titles, one an ATP 500 Series event in Rio in 2019, af ...

was the defending champion, but withdrew with an abdominal injury before the tournament began.

Cristian Garín Cristian Ignacio Garín Medone (; born 30 May 1996) is a Chilean professional tennis player. He has been ranked as high as world No. 17 by the Association of Tennis Professionals (ATP) in singles, which he first achieved on 13 September 2021, a ...

won the title, defeating

Gianluca Mager Gianluca Mager (born 1 December 1994) is an Italian tennis player. He has a career-high ATP singles ranking of No. 66 achieved on 13 September 2021. He also has a career high ATP doubles ranking of No. 310 achieved on 10 June 2019. Personal Inf ...

in the final, 7–6^(7–3), 7–5. This was the first Clay Court tournament where players were allowed to use the challenge system. The tournament was notable for being the first ATP tour level event for future World No.1

Carlos Alcaraz Carlos Alcaraz Garfia (born 5 May 2003) is a Spanish professional tennis player. He is currently ranked as the world No. 1 singles player by the Association of Tennis Professionals (ATP). Alcaraz has won six ATP Tour singles titles, including ...

. He reached the second round, after a win over compatriot

Albert Ramos Viñolas Albert Ramos Viñolas (; born 17 January 1988) is a Spanish professional tennis player. He is currently ranked in the top 40 in singles by the Association of Tennis Professionals (ATP), and has a career-high ATP singles ranking of world No. 17, ...

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

External Links

Main draw

Qualifying draw
{{DEFAULTSORT:2020 Rio Open - Singles Rio Open - Singles 2020 in Brazilian tennis Rio Open