Marcelo Demoliner Marcelo Fedrizzi Demoliner (born 18 January 1989) is a Brazilian professional tennis player, who specializes in doubles. He reached a career-high doubles ranking of world No. 34 in November 2017. Demoliner has won five doubles titles. He won hi ...

and Santiago González defeated

Ariel Behar Ariel Behar (; born November 12, 1989) is a Uruguayan professional tennis player who specializes in doubles. His career-high doubles ranking is World No. 34 achieved on 6 May 2024. He has won three ATP titles with Ecuadorian partner Gonzalo Esc ...

and

Gonzalo Escobar Gonzalo Escobar (; born 20 January 1989, in Manta, Ecuador, Manta) is an Ecuadorian tennis player. His career-high doubles ranking is World No. 38, achieved on 15 November 2021. He has won three ATP doubles titles with Uruguayan Ariel Behar and ...

in the final, 4–6, 6–3, 0–8 to win the doubles tennis title at the 2021 Stuttgart Open. It was their second title as a team, their first in three years. Behar and Escobar were contesting for their third title of the season.

John Peers John William Peers (born 25 July 1988) is an Australian professional tennis player who specializes in doubles. He reached a career-high ATP doubles ranking of world No. 2 on 3 April 2017, and a singles ranking of No. 456 in June 2012. He has ...

and

Bruno Soares Bruno Fraga Soares (; born 27 February 1982) is a Brazilian former professional tennis player who specialised in doubles. A doubles specialist, Soares won six Grand Slam (tennis)#Tournaments, major titles, the 2016 Australian Open – Men's d ...

were the defending champions from when the tournament was last held in

2019 This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year. Up to that point, 2019 had been described as ...

, but Peers chose not to participate. Soares played alongside

Jamie Murray Jamie Robert Murray (born 13 February 1986) is a British professional tennis player who specialises in doubles. He is a seven-time Grand Slam (tennis), major doubles champion (five in mixed doubles and two in men's doubles), a Davis Cup winne ...

but lost in the first round to Demoliner and González

Seeds

Draw

References

External links

Main draw
{{DEFAULTSORT:2021 MercedesCup - Doubles MercedesCup - Doubles Doubles 2021