Ben McLachlan and Jan-Lennard Struff beat 2018 Nitto ATP Finals qualifiers Raven Klaasen/Michael Venus to lift the Auckland title.

Jan-Lennard Struff and Ben McLachlan knock out three seeded teams en route to the ASB Classic title.

Jan-Lennard Struff and Ben McLachlan earn their first title as a pair on the ATP World Tour by triumphing in Tokyo on Sunday.

Ben McLachlan and Jan-Lennard Struff beat beat Dutchmen Robin Haase and Matwe Middelkoop on Friday to reach the Tokyo doubles final.

Ben McLachlan and Joe Salisbury win their first team title at the Shenzhen Open on Sunday.

Ben McLachlan and Joe Salisbury defeat Robert Lindstedt and Rajeev Ram in straight sets at the Shenzhen Open on Sunday.

Ben McLachlan, left, and Joe Salisbury reach the Shenzhen Open doubles final on Friday.

Ben McLachlan and Hugo Nys, in their team debut, reach the final of the Open Sud de France.

Ben Mclachlan and Jan-Lennard Struff upset top seeds Lukasz Kubot and Marcelo Melo to reach the Australian Open semi-finals on Tuesday.

Ben Mclachlan, right, celebrates with doubles partner Yasutaka Uchiyama as the pair go on to win in Tokyo.

Ben Mclachlan, right, celebrates with doubles partner Yasutaka Uchiyama as the Japanese duo defeat Jamie Murray and Bruno Soares to lift the title in Tokyo.

Yasutaka Uchiyama and Ben Mclachlan celebrate capturing the Tokyo title with victory over Jamie Murray and Bruno Soares on Sunday.

Moment of victory: Yasutaka Uchiyama and Ben Mclachlan celebrate becoming the first all-Japanese doubles team to clinch the Tokyo crown in 12 years.

Ben Mclachlan and Yasutaka Uchiyama advance to the Tokyo doubles final.

Yasutaka Uchiyama volleys as Ben Mclachlan watches on in their Tokyo win over top seeds Jean-Julien Rojer and Horia Tecau on Thursday.

Kevin Anderson, Marin Cilic, Ben McLachlan and Benoit Paire show the audience their ink drawings on Tuesday at the player party.

Treat Huey, Adil Shamasdin, Viktor Troicki, Milos Raonic, Sam Querrey, Taro Daniel, Ben McLachlan, Go Soeda, Bernard Tomic, Marin Cilic, Adrian Mannarino and Benoit Paire attend the Tokyo player party on Tuesday.

Ben Mclachlan, right, celebrates with doubles partner Yasutaka Uchiyama as the pair go on to win in Tokyo.