2018 Puerto Vallarta Open – Doubles
| Doubles | |
|---|---|
| 2018 Puerto Vallarta Open | |
| Champions |  Ante Pavić  Danilo Petrović | 
| Runners-up |  Benjamin Lock  Fernando Romboli | 
| Score | 6–7(2–7), 6–4, [10–5] | 
This was the first edition of the tournament.
Ante Pavić and Danilo Petrović won the title after defeating Benjamin Lock and Fernando Romboli 6–7(2–7), 6–4, [10–5] in the final.
Seeds
 Austin Krajicek / Austin Krajicek / Roberto Maytín (first round) Roberto Maytín (first round)
 Brydan Klein / Brydan Klein / Ruan Roelofse (first round) Ruan Roelofse (first round)
.svg.png) Bradley Mousley / Bradley Mousley / Rubin Statham (first round) Rubin Statham (first round)
 Benjamin Lock / Benjamin Lock / Fernando Romboli (final) Fernando Romboli (final)
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 |  A Krajicek  R Maytín | 4 | 3 | ||||||||||||||||||||||||
|  G Escobar  M Sánchez | 6 | 6 |  G Escobar  M Sánchez | 77 | 6 | ||||||||||||||||||||||
|  H Hach Verdugo  LD Martínez | 6 | 6 |  H Hach Verdugo  LD Martínez | 64 | 4 | ||||||||||||||||||||||
| WC |  Ivar José Aramburu Contreras  Juan Ignacio Batalla | 2 | 2 |  G Escobar  M Sánchez | 3 | 6 | [11] | ||||||||||||||||||||
| 3 | .svg.png) B Mousley  R Statham | 3 | 5 |  A Pavić  D Petrović | 6 | 3 | [13] | ||||||||||||||||||||
|  A Pavić  D Petrović | 6 | 7 |  A Pavić  D Petrović | 6 | 6 | ||||||||||||||||||||||
| Alt |  C Díaz Figueroa  D Dutra da Silva | 6 | 6 | Alt |  C Díaz Figueroa  D Dutra da Silva | 3 | 4 | ||||||||||||||||||||
| WC |  L Gómez  T Hank | 2 | 4 |  A Pavić  D Petrović | 62 | 6 | [10] | ||||||||||||||||||||
| PR |  K King  D O'Brien | 5 | 4 | 4 |  B Lock  F Romboli | 77 | 4 | [5] | |||||||||||||||||||
|  S Giraldo  C Gómez-Herrera | 7 | 6 |  S Giraldo  C Gómez-Herrera | ||||||||||||||||||||||||
|  U Humbert  E Leshem | 4 | 63 | 4 |  B Lock  F Romboli | w/o | ||||||||||||||||||||||
| 4 |  B Lock  F Romboli | 6 | 77 | 4 |  B Lock  F Romboli | 6 | 6 | ||||||||||||||||||||
| PR |  N Barrientos  A Gómez | 6 | 4 | [12] | PR |  N Barrientos  A Gómez | 3 | 4 | |||||||||||||||||||
| WC |  G López Villaseñor  L Patiño | 4 | 6 | [10] | PR |  N Barrientos  A Gómez | 6 | 2 | [10] | ||||||||||||||||||
|  B Arias  F Zeballos | 1 | 7 | [13] |  B Arias  F Zeballos | 3 | 6 | [8] | ||||||||||||||||||||
| 2 |  B Klein  R Roelofse | 6 | 5 | [11] | |||||||||||||||||||||||