2018 Los Cabos Open
| 2018 Los Cabos Open | |
|---|---|
| Date | 30 July – 5 August |
| Edition | 3rd |
| Draw | 28S / 16D |
| Prize money | $637,395 |
| Surface | Hard |
| Location | Los Cabos, Mexico |
| Champions | |
| Singles | |
 Fabio Fognini | |
| Doubles | |
 Marcelo Arévalo /  Miguel Ángel Reyes-Varela | |
The 2018 Los Cabos Open (also known as the Abierto Mexicano de Tenis Mifel presentado por Cinemex for sponsorship reasons) was an ATP tennis tournament played on outdoor hard courts. It was the 3rd edition of the Los Cabos Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place in Los Cabos, Mexico from July 30 through August 5, 2018.
Singles main-draw entrants[edit]
Seeds[edit]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG
|
Juan Martín del Potro | 4 | 1 |
| ITA
|
Fabio Fognini | 14 | 2 |
 BIH
|
Damir Džumhur | 24 | 3 |
 FRA
|
Adrian Mannarino | 26 | 4 |
 USA
|
Sam Querrey | 29 | 5 |
| USA
|
|||
| USA
|
Taylor Fritz | 65 | 7 |
 ESP
|
Feliciano López | 66 | 8 |
- Rankings are as of July 23, 2018.
Other entrants[edit]
The following players received wildcards into the singles main draw:
The following players received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals[edit]
- Before the tournament
Matthew Ebden → replaced by 
Marcelo Arévalo
Ryan Harrison → replaced by 
Daniel Elahi Galán
Filip Krajinović → replaced by 
Egor Gerasimov- John Millman → replaced by Bernard Tomic
- Jack Sock → replaced by
Quentin Halys
Doubles main-draw entrants[edit]
Seeds[edit]
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| MEX
|
Santiago González | ESP
|
David Marrero | 103 | 1 |
 ISR
|
Jonathan Erlich |  GBR
|
Joe Salisbury | 113 | 2 |
| ESA
|
Marcelo Arévalo | MEX
|
Miguel Ángel Reyes-Varela | 118 | 3 |
 MON
|
Romain Arneodo | USA
|
Nicholas Monroe | 141 | 4 |
- Rankings are as of July 23, 2018.
Other entrants[edit]
The following pairs received wildcards into the doubles main draw:
Champions[edit]
Singles[edit]
Fabio Fognini def. 
Juan Martín del Potro, 6–4, 6–2
Doubles[edit]
- Marcelo Arévalo /
Miguel Ángel Reyes-Varela def. Taylor Fritz / Thanasi Kokkinakis, 6–4, 6–4