Matt Reid and

John-Patrick Smith John-Patrick Tracey "JP" Smith (born 24 January 1989) is an Australian professional tennis player who specializes in doubles. He reached his highest ATP singles ranking of world No. 108 on 28 September 2015, and his highest doubles ranking of N ...

were the defending champions but chose not to defend their title.

Marcelo Arévalo Marcelo Arévalo González (; born October 17, 1990) is a Salvadoran professional tennis player. He is the current world No. 1 in doubles by the ATP, achieved on 11 November 2024 and has a career-high singles ranking of No. 139, attained in Ap ...

and

Roberto Maytín Roberto Maytín () is a Venezuelan former tennis player. In 2015 he broke into the top 100 of the doubles rankings reaching a high of world No. 86. In singles, he reached a career high of No. 643. He was known mostly for doubles, and has 14 ATP C ...

won the title after defeating

Luke Bambridge Luke Bambridge (born 21 January 1995) is a British former tennis player. A doubles specialist, he reached a career-high Association of Tennis Professionals (ATP) world No. 41 doubles ranking in May 2019. His career highlights included winning ...

and

Joe Salisbury Joe Salisbury ( ; born 20 April 1992) is a British professional tennis player who is a former world No. 1 in doubles. He is a six-time Grand Slam champion, having won the 2020 Australian Open and the 2021, 2022 and 2023 US Opens in men's do ...

6–3, 6–7^(5–7), 0–7in the final.

Seeds

Draw

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:2018 Kunal Patel San Francisco Open - Doubles Kunal Patel San Francisco Open - Doubles