Andrés Molteni Andrés Molteni (, ; born 15 March 1988) is an Argentine professional tennis player who specializes in doubles. He reached his highest ATP doubles ranking of No. 7 on 21 August 2023 and his highest ATP singles ranking of No. 181 in May 2011. He h ...

and

Horacio Zeballos Horacio Zeballos Jr. (, ; born 27 April 1985) is an Argentine professional tennis player. He reached a career-high doubles ranking of world No. 1 on 6 May 2024, becoming the first Argentinian man to achieve the feat. He is a Grand Slam champion ...

were the defending champions, but chose not to participate together. Molteni played alongside

Roman Jebavý Roman Jebavý (born 16 November 1989) is a Czech former professional tennis player. He is a doubles specialist who has won four ATP Tour doubles titles. He reached a career-high ranking in doubles of World No. 43 on 4 March 2019. Junior career ...

, but lost in the quarterfinals to

Marco Cecchinato Marco Cecchinato (; born 30 September 1992) is an Italian professional tennis player. He has a career-high ATP singles ranking of World No. 16 reached on 25 February 2019. On 29 April 2018, he won his first ATP World Tour title at the 2018 Hunga ...

and

Dušan Lajović Dušan Lajović ( sr-Cyrl, Душан Лајовић; born 30 June 1990) is a Serbian professional tennis player. On 29 April 2019, he reached his career-high singles ranking of world No. 23. On 21 September 2020, he peaked at No. 82 in the doubl ...

. Zeballos successfully defended the title alongside

Máximo González Máximo González Mereira (; born July 20, 1983) is an Argentine professional tennis player. His career-high singles ranking is World No. 58, achieved in July 2009 and his career-high doubles ranking is World No. 10 achieved on 11 September 2023 ...

, defeating

Diego Schwartzman Diego Sebastián Schwartzman (, ; born 16 August 1992) is an Argentine former professional tennis player. He won four ATP Tour singles titles and reached his career-high singles ranking of world No. 8 in October 2020. As a clay court specialist ...

and

Dominic Thiem Dominic Thiem (; born 3 September 1993) is an Austrian former professional tennis player. He was ranked world No. 3 in singles by the Association of Tennis Professionals (ATP), which he first achieved in March 2020. Thiem won 17 ATP Tour-level s ...

in the final, 6–1, 6–1.

Seeds

Draw

References

External links

Main draw
{{DEFAULTSORT:2019 Argentina Open - Doubles Argentina Open - Doubles ATP Buenos Aires