2018 Slovak Open – Doubles
# 2018 Slovak Open – Doubles

Ken and Neal Skupski were the defending champions but only Ken Skupski chose to defend his title, partnering Jonny O'Mara. Ken Skupski lost in the semifinals to Denys Molchanov and Igor Zelenay.

Molchanov and Zelenay won the title after defeating Ramkumar Ramanathan and Andrei Vasilevski 6–2, 3–6, [11–9] in the final.

## Seeds

* Jonny O'Mara / Ken Skupski (semifinals)
* Marcin Matkowski / Philipp Oswald (first round)
* Denys Molchanov / Igor Zelenay (champions)
* Gerard Granollers / David Marrero (semifinals)

## 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | J O'Mara K Skupski | 6 | 6 | | | | | | | | | | | | | | | | |
| | G García López S Gutiérrez Ferrol | 4 | 3 | | 1 | J O'Mara K Skupski | 4 | 6 | [10] | | | | | | | | | | |
| | M-A Hüsler S Robert | 4 | 4 | | | P Raja A Šančić | 6 | 4 | [6] | | | | | | | | | | |
| | P Raja A Šančić | 6 | 6 | | | | | | | 1 | J O'Mara K Skupski | 4 | 5 | | | | | | |
| 3 | D Molchanov I Zelenay | $7^7$ | 6 | | | | | | | 3 | D Molchanov I Zelenay | 6 | 7 | | | | | | |
| WC | F Horanský A Molčan | $6^5$ | 4 | | 3 | D Molchanov I Zelenay | 6 | $6^3$ | [10] | | | | | | | | | | |
| WC | N Gombos L Klein | $7^9$ | $6^6$ | [13] | WC | N Gombos L Klein | 2 | $7^7$ | [6] | | | | | | | | | | |
| | T Brkić A Pavić | $6^7$ | $7^8$ | [11] | | | | | | | | | | | 3 | D Molchanov I Zelenay | 6 | 3 | [11] |
| | E Donskoy S Stakhovsky | 6 | 4 | [10] | | | | | | | | | | | | R Ramanathan A Vasilevski | 2 | 6 | [9] |
| | D Pel A Vavassori | 3 | 6 | [4] | | E Donskoy S Stakhovsky | 3 | 2 | | | | | | | | | | | |
| | D Bracciali A Mies | $6^3$ | 1 | | 4 | G Granollers D Marrero | 6 | 6 | | | | | | | | | | | |
| 4 | G Granollers D Marrero | $7^7$ | 6 | | | | | | | 4 | G Granollers D Marrero | 5 | 6 | [6] | | | | | |
| WC | A Martin F Polášek | 4 | 6 | [10] | | | | | | | R Ramanathan A Vasilevski | 7 | 4 | [10] | | | | | |
| | A Bury T-S Weissborn | 6 | 3 | [5] | WC | A Martin F Polášek | 6 | 3 | [8] | | | | | | | | | | |
| | R Ramanathan A Vasilevski | 6 | 3 | [10] | | R Ramanathan A Vasilevski | 4 | 6 | [10] | | | | | | | | | | |
| 2 | M Matkowski P Oswald | 3 | 6 | [6] | | | | | | | | | | | | | | | |
