See main article: article and 2018 Kobe Challenger.
Ben McLachlan and Yasutaka Uchiyama were the defending champions but only Uchiyama chose to defend his title, partnering Kaito Uesugi. Uchiyama withdrew before his semifinal match.
Gonçalo Oliveira and Akira Santillan won the title after defeating Li Zhe and Go Soeda 2–6, 6–4, [12–10] in the final.