2018 Kobe Challenger – Doubles
| Doubles | |
|---|---|
| 2018 Kobe Challenger | |
| Champions | .svg.png) Gonçalo Oliveira .svg.png) Akira Santillan | 
| Runners-up |  Li Zhe  Go Soeda | 
| Score | 2–6, 6–4, [12–10] | 
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 / Gong Maoxin / Zhang Ze (first round) Zhang Ze (first round)
.svg.png) Gonçalo Oliveira / Gonçalo Oliveira /.svg.png) Akira Santillan (champions) Akira Santillan (champions)
 Ivan Sabanov / Ivan Sabanov / Matej Sabanov (first round) Matej Sabanov (first round)
 Yasutaka Uchiyama / Yasutaka Uchiyama / Kaito Uesugi (semifinals, withdrew) Kaito Uesugi (semifinals, withdrew)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  M Gong  Ze Zhang | 77 | 4 | [8] | |||||||||||||||||||||||
|  Z Li  G Soeda | 64 | 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 | 2r | |||||||||||||||||||||
| 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 | .svg.png) G Oliveira .svg.png) 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 | 65 | 5 | 4 |  Y Uchiyama  K Uesugi | 6 | 6 | |||||||||||||||||||||
| 4 |  Y Uchiyama  K Uesugi | 77 | 7 | 4 |  Y Uchiyama  K Uesugi | ||||||||||||||||||||||
|  Shintaro Imai  Renta Tokuda | 77 | 6 | 2 | .svg.png) G Oliveira .svg.png) A Santillan | w/o | ||||||||||||||||||||||
|  X Gao  E Ruusuvuori | 65 | 1 |  S Imai  R Tokuda | 3 | 4 | ||||||||||||||||||||||
|  Y-s Chung  S-w Kwon | 4 | 2 | 2 | .svg.png) G Oliveira .svg.png) A Santillan | 6 | 6 | |||||||||||||||||||||
| 2 | .svg.png) G Oliveira .svg.png) A Santillan | 6 | 6 | ||||||||||||||||||||||||