2018 Kunal Patel San Francisco Open – Doubles
# 2018 Kunal Patel San Francisco Open – Doubles

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 / Máximo González (semifinals)
* Luke Bambridge / Joe Salisbury (final)
* Jeevan Nedunchezhiyan / Christopher Rungkat (semifinals)
* Marcelo Arévalo / Roberto Maytín (champions)

## 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 | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Behar M González | $7^7$ | 7 | | | | | | | | | | | | | | | |
| | H Hach Verdugo A Pavić | $6^2$ | 5 | | 1 | A Behar M González | 7 | 6 | | | | | | | | | | |
| | F Agamenone LD Martínez | $6^4$ | 6 | [6] | | R Galloway M Krueger | 5 | 4 | | | | | | | | | | |
| | R Galloway M Krueger | $7^7$ | 4 | [10] | | | | | | 1 | A Behar M González | 1 | $6^3$ | | | | | |
| 4 | M Arévalo R Maytín | 6 | 5 | [10] | | | | | | 4 | M Arévalo R Maytín | 6 | $7^7$ | | | | | |
| WC | Nicholas Brunner Andre Dome | 3 | 7 | [5] | 4 | M Arévalo R Maytín | w/o | | | | | | | | | | | |
| LL | JC Aragone C Eubanks | $7^7$ | 2 | [10] | LL | JC Aragone C Eubanks | | | | | | | | | | | | |
| Q | Í Cervantes JP Fruttero | $6^5$ | 6 | [6] | | | | | | | | | | 4 | M Arévalo R Maytín | 6 | $6^5$ | [10] |
| WC | Alex Brenner N Chappell | 2 | 1 | | | | | | | | | | | 2 | L Bambridge J Salisbury | 3 | $7^7$ | [7] |
| | D Novikov G Oliveira | 6 | 6 | | | D Novikov 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 | | | | | |
| | B Saraiva S Verbeek | 6 | 6 | | | | | | | 2 | L Bambridge J Salisbury | 6 | 6 | | | | | |
| | A Bublik M Mmoh | 0 | 2 | | | B Saraiva S Verbeek | 3 | 4 | | | | | | | | | | |
| | R Gonzales H Reese | 7 | $6^3$ | [8] | 2 | L Bambridge J Salisbury | 6 | 6 | | | | | | | | | | |
| 2 | L Bambridge J Salisbury | 5 | $7^7$ | [10] | | | | | | | | | | | | | | |
