2019 San Luis Open Challenger Tour – Doubles
# 2019 San Luis Open Challenger Tour – Doubles

Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions and successfully defended their title, defeating Ariel Behar and Roberto Quiroz 1–6, 6–4, [12–10] in the final.

## Seeds

* Marcelo Arévalo / Miguel Ángel Reyes-Varela (champions)
* Hans Hach Verdugo / Ante Pavić (first round)
* John-Patrick Smith / Sem Verbeek (quarterfinals)
* Evan King / Nathan Pasha (quarterfinals)

## 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 | M Arévalo MÁ Reyes-Varela | 6 | 6 | | | | | | | | | | | | | | | | |
| ITF | Baptiste Crepatte M Guinard | 2 | 2 | | 1 | M Arévalo MÁ Reyes-Varela | 7 | 6 | | | | | | | | | | | |
| | A Menéndez Maceiras R Ortega Olmedo | 6 | 6 | | | A Menéndez Maceiras R Ortega Olmedo | 5 | 4 | | | | | | | | | | | |
| Alt | S Galdós F Zeballos | 4 | 4 | | | | | | | 1 | M Arévalo MÁ Reyes-Varela | 5 | 6 | [10] | | | | | |
| 4 | E King N Pasha | 6 | 6 | | | | | | | | G Escobar LD Martínez | 7 | 3 | [7] | | | | | |
| | L Miedler S Ofner | 4 | 3 | | 4 | E King N Pasha | $6^5$ | 3 | | | | | | | | | | | |
| | G Escobar LD Martínez | 6 | 6 | | | G Escobar LD Martínez | $7^7$ | 6 | | | | | | | | | | | |
| | JP Fruttero M-A Hüsler | 4 | 4 | | | | | | | | | | | | 1 | M Arévalo MÁ Reyes-Varela | 1 | 6 | [12] |
| | A Behar R Quiroz | 6 | 6 | | | | | | | | | | | | | A Behar R Quiroz | 6 | 4 | [10] |
| | D Brown A Shamasdin | 4 | 4 | | | A Behar R Quiroz | 6 | 7 | | | | | | | | | | | |
| WC | E Escobedo M Sánchez | $6^3$ | 3 | | 3 | J-P Smith S Verbeek | 4 | 5 | | | | | | | | | | | |
| 3 | J-P Smith S Verbeek | $7^7$ | 6 | | | | | | | | A Behar R Quiroz | 6 | 4 | [10] | | | | | |
| WC | N Mejía E Nava | $6^0$ | 6 | [10] | | | | | | WC | R Olivo L Patiño | 4 | 6 | [7] | | | | | |
| ITF | MF Descotte J Souza | $7^7$ | 4 | [5] | WC | N Mejía E Nava | 6 | 5 | [6] | | | | | | | | | | |
| WC | R Olivo L Patiño | 7 | 6 | | WC | R Olivo L Patiño | 3 | 7 | [10] | | | | | | | | | | |
| 2 | H Hach Verdugo A Pavić | 5 | 3 | | | | | | | | | | | | | | | | |
