2018 Kunal Patel San Francisco Open – Doubles
| Doubles | |
|---|---|
| 2018 Kunal Patel San Francisco Open | |
| Champions |  Marcelo Arévalo  Roberto Maytín | 
| Runners-up |  Luke Bambridge  Joe Salisbury | 
| Score | 6–3, 6–7(5–7), [10–7] | 
Matt Reid and John-Patrick Smith were the defending champions but chose not to defend their title.
Marcelo Arévalo and Roberto Maytín won the title after defeating Luke Bambridge and Joe Salisbury 6–3, 6–7(5–7), [10–7] in the final.
Seeds
 Ariel Behar / Ariel Behar / Máximo González (semifinals) Máximo González (semifinals)
 Luke Bambridge / Luke Bambridge / Joe Salisbury (final) Joe Salisbury (final)
 Jeevan Nedunchezhiyan / Jeevan Nedunchezhiyan / Christopher Rungkat (semifinals) Christopher Rungkat (semifinals)
 Marcelo Arévalo / Marcelo Arévalo / Roberto Maytín (champions) Roberto Maytín (champions)
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 Behar  M González | 77 | 7 | ||||||||||||||||||||||||
|  H Hach Verdugo  A Pavić | 62 | 5 | 1 |  A Behar  M González | 7 | 6 | |||||||||||||||||||||
|  F Agamenone  LD Martínez | 64 | 6 | [6] |  R Galloway  M Krueger | 5 | 4 | |||||||||||||||||||||
|  R Galloway  M Krueger | 77 | 4 | [10] | 1 |  A Behar  M González | 1 | 63 | ||||||||||||||||||||
| 4 |  M Arévalo  R Maytín | 6 | 5 | [10] | 4 |  M Arévalo  R Maytín | 6 | 77 | |||||||||||||||||||
| WC |  Nicholas Brunner  Andre Dome | 3 | 7 | [5] | 4 |  M Arévalo  R Maytín | w/o | ||||||||||||||||||||
| LL |  JC Aragone  C Eubanks | 77 | 2 | [10] | LL |  JC Aragone  C Eubanks | |||||||||||||||||||||
| Q |  Í Cervantes  JP Fruttero | 65 | 6 | [6] | 4 |  M Arévalo  R Maytín | 6 | 65 | [10] | ||||||||||||||||||
| WC |  Alex Brenner  N Chappell | 2 | 1 | 2 |  L Bambridge  J Salisbury | 3 | 77 | [7] | |||||||||||||||||||
|  D Novikov .svg.png) G Oliveira | 6 | 6 |  D Novikov .svg.png) G Oliveira | 6 | 1 | [9] | |||||||||||||||||||||
| WC |  A Göransson  F Lakat | 4 | 6 | [7] | 3 |  J Nedunchezhiyan  C Rungkat | 4 | 6 | [11] | ||||||||||||||||||
| 3 |  J Nedunchezhiyan  C Rungkat | 6 | 4 | [10] | 3 |  J Nedunchezhiyan  C Rungkat | 2 | 2 | |||||||||||||||||||
| .svg.png) B Saraiva  S Verbeek | 6 | 6 | 2 |  L Bambridge  J Salisbury | 6 | 6 | |||||||||||||||||||||
|  A Bublik  M Mmoh | 0 | 2 | .svg.png) B Saraiva  S Verbeek | 3 | 4 | ||||||||||||||||||||||
|  R Gonzales  H Reese | 7 | 63 | [8] | 2 |  L Bambridge  J Salisbury | 6 | 6 | ||||||||||||||||||||
| 2 |  L Bambridge  J Salisbury | 5 | 77 | [10] | |||||||||||||||||||||||