| Doubles | ||||
|---|---|---|---|---|
| 2018 Gwangju Open | ||||
| Final | ||||
| Champions |  Nam Ji-sung Song Min-kyu | |||
| Runners-up |  Benjamin Lock Rubin Statham | |||
| Score | 5–7, 6–3, | |||
| Events | ||||
| ||||
| ||||
Chen Ti and Ben McLachlan were the defending champions but chose not to defend their title.
Nam Ji-sung and Song Min-kyu won the title after defeating Benjamin Lock and Rubin Statham 5–7, 6–3, in the final.
Seeds
Gerard Granollers / 
Bradley Mousley (first round)
Mikhail Elgin / 
Yaraslav Shyla (first round)
Arjun Kadhe / 
Toshihide Matsui (quarterfinals)
Ivan Sabanov / Matej Sabanov (first round)
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 | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | G Granollers B Mousley
| 6 | 3 | ||||||||||||||||||||||||
| Q | Hiroyasu Ehara Y Takahashi
| 1 | 6 | Q | H Ehara Y Takahashi
| 2 | 5 | ||||||||||||||||||||
 A Bublik A Pavlioutchenkov
| 3 | 3 |  L Catarina R Safiullin
| 6 | 7 | ||||||||||||||||||||||
| L Catarina R Safiullin
| 6 | 6 | L Catarina R Safiullin
| 0 | 3 | ||||||||||||||||||||||
| 3 | A Kadhe T Matsui
| 7 | 7 | B Lock R Statham
| 6 | 6 | |||||||||||||||||||||
| WC | Ho Chung Noh Sang-woo
| 6 | 5 | 3 | A Kadhe T Matsui
| 2 | 5 | ||||||||||||||||||||
| LL |  Y-h Hsu V Mladenov
| 4 | 5 | B Lock R Statham
| 6 | 7 | |||||||||||||||||||||
| B Lock R Statham
| 6 | 7 | B Lock R Statham
| 7 | 3 | ||||||||||||||||||||||
| WC | Kim Cheong-eui J-w Na
| 5 | 3 | WC | J-s Nam M-k Song
| 5 | 6 | ||||||||||||||||||||
| Makoto Ochi Renta Tokuda
| 7 | 6 | M Ochi R Tokuda
| 7 | 6 | ||||||||||||||||||||||
| Y-s Chung Shintaro Imai
| 6 | 4 | Y-s Chung S Imai
| 5 | 2 | ||||||||||||||||||||||
| 4 | I Sabanov M Sabanov
| 3 | 6 | M Ochi R Tokuda
| |||||||||||||||||||||||
| M Granollers S Mukund
| 4 | 5 | WC | J-s Nam M-k Song
| w/o | ||||||||||||||||||||||
 X Gao F Sun
| 6 | 7 | X Gao F Sun
| 4 | 4 | ||||||||||||||||||||||
| WC | J-s Nam M-k Song
| 6 | 4 | WC | J-s Nam M-k Song
| 6 | 6 | ||||||||||||||||||||
| 2 | M Elgin Y Shyla
| 4 | 6 | ||||||||||||||||||||||||