2018 Kobe Challenger – Doubles
# 2018 Kobe Challenger – Doubles

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.

## Seeds

* Gong Maoxin / Zhang Ze (first round)
* Gonçalo Oliveira / Akira Santillan (champions)
* Ivan Sabanov / Matej Sabanov (first round)
* Yasutaka Uchiyama / Kaito Uesugi (semifinals, withdrew)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | M Gong Ze Zhang | $7^7$ | 4 | [8] | | | | | | | | | | | | | | |
| | Z Li G Soeda | $6^4$ | 6 | [10] | | Z Li G Soeda | 6 | 6 | | | | | | | | | | |
| WC | S Hazawa Y Shimizu | 6 | 6 | | WC | S Hazawa Y Shimizu | 3 | 4 | | | | | | | | | | |
| | M Echargui J Sels | 2 | 3 | | | | | | | Z Li G Soeda | 6 | 4 | [10] | | | | | |
| 3 | I Sabanov M Sabanov | 2 | 6 | [6] | | | | | WC | Y Kibi T Niki | 1 | 6 | [7] | | | | | |
| | H Moriya J Samper Montaña | 6 | 4 | [10] | | H Moriya J Samper Montaña | 6 | $2^r$ | | | | | | | | | | |
| WC | Yuki Mochizuki R Noguchi | 2 | 6 | [9] | WC | Y Kibi T Niki | 2 | 4 | | | | | | | | | | |
| WC | Yuya Kibi T Niki | 6 | 2 | [11] | | | | | | | | | | | Z Li G Soeda | 6 | 4 | [10] |
| | J Wang D Wu | 6 | 5 | [8] | | | | | | | | | | 2 | G Oliveira A Santillan | 2 | 6 | [12] |
| Alt | Kim Cheong-eui Makoto Ochi | 1 | 7 | [10] | Alt | C-e Kim M Ochi | 1 | 3 | | | | | | | | | | |
| | Y Nishioka Yo Watanuki | $6^5$ | 5 | | 4 | Y Uchiyama K Uesugi | 6 | 6 | | | | | | | | | | |
| 4 | Y Uchiyama K Uesugi | $7^7$ | 7 | | | | | | 4 | Y Uchiyama K Uesugi | | | | | | | | |
| | Shintaro Imai Renta Tokuda | $7^7$ | 6 | | | | | | 2 | G Oliveira A Santillan | w/o | | | | | | | |
| | X Gao E Ruusuvuori | $6^5$ | 1 | | | S Imai R Tokuda | 3 | 4 | | | | | | | | | | |
| | Y-s Chung S-w Kwon | 4 | 2 | | 2 | G Oliveira A Santillan | 6 | 6 | | | | | | | | | | |
| 2 | G Oliveira A Santillan | 6 | 6 | | | | | | | | | | | | | | | |
