Ben McLachlan Ben McLachlan ( ; マクラクラン勉, ''Makurakuran Ben''; born 10 May 1992) is a Japanese former professional tennis player who previously represented New Zealand. He is a doubles specialist with a career-high ATP ranking of world No. 18, ...

and

Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 4 November 2019 and doubles ranking of No. 102 on 20 August 2018. He is currently the No. 5 player from Japan. C ...

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

Jan-Lennard Struff Jan-Lennard Struff (; born 25 April 1990) is a German professional tennis player. He reached his career-high Association of Tennis Professionals, ATP singles and doubles rankings of world No. 21 on 19 June 2023 and on 22 October 2018 respectively. ...

and successfully defended the title, defeating

Raven Klaasen Raven Klaasen ( ; born 16 October 1982) is a South African professional tennis player who specialises in doubles. He achieved his career-high doubles ranking of world No. 7 in August 2019, and has won 19 doubles titles on the ATP Tour, includi ...

and

Michael Venus Michael Venus (born 16 October 1987) is a New Zealand professional tennis player. He has a career-high doubles ranking of world No. 6, achieved on 29 August 2022. Venus won the 2017 French Open men's doubles partnering Ryan Harrison, and follo ...

in the final, 6–4, 7–5. Uchiyama teamed up with

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 ...

, but lost in the semifinals to Klaasen and Venus.

Seeds

Draw

Qualifying

Seeds

Qualifiers

Fabrice Martin Fabrice Martin (; born 11 September 1986) is a French tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each ...

Gilles Simon Gilles Simon (; born 27 December 1984) is a French former tennis player. He turned professional in 2002 and won fourteen singles titles on the ATP Tour, and attained a career-high ATP singles ranking of No. 6, on 5 January 2009. Personal li ...

Qualifying draw

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:2018 Rakuten Japan Open Tennis Championships - Doubles Doubles