2021 Los Cabos Open
Date	19–25 July
Edition	5th
Draw	28S / 16D
Surface	Hard
Location	Los Cabos, Mexico
Champions
Singles
Cameron Norrie
Doubles
Hans Hach Verdugo / John Isner
← 2019 · Los Cabos Open · 2022 →

The 2021 Los Cabos Open (also known as the Mifel Open for sponsorship reasons) was an ATP tennis tournament played on outdoor hard court. It was the 5th edition of the tournament, and part of the ATP Tour 250 series of the 2021 ATP Tour. It took place in Los Cabos, Mexico from 19 July through 25 July 2021.^[1]

• Cameron Norrie def. Brandon Nakashima 6–2, 6–2.

• Hans Hach Verdugo / John Isner def. Hunter Reese / Sem Verbeek 5–7, 6–2, [10–4].

_{*per team}

Country	Player	Rank1	Seed
GBR	Cameron Norrie	32	1
USA	John Isner	34	2
USA	Taylor Fritz	40	3
USA	Sam Querrey	68	4
AUS	Jordan Thompson	71	5
USA	Steve Johnson	83	6
ITA	Andreas Seppi	87	7
USA	Mackenzie McDonald	103	8

• Rankings are as of July 12, 2021.^[2]

The following players received wildcards into the main draw:

• Ivo Karlović
• Thanasi Kokkinakis
• Gerardo López Villaseñor

The following players received entry from the qualifying draw:

• Matthew Ebden
• Ernesto Escobedo
• Nicolás Mejía
• Alexander Sarkissian

• Kevin Anderson → replaced by Elias Ymer
• Ričardas Berankis → replaced by Jurij Rodionov
• Grigor Dimitrov → replaced by Brandon Nakashima
• James Duckworth → replaced by Yasutaka Uchiyama
• Daniel Elahi Galán → replaced by Emilio Gómez
• Egor Gerasimov → replaced by Evgeny Donskoy
• Ilya Ivashka → replaced by Sebastian Ofner
• Sebastian Korda → replaced by Peter Gojowczyk
• Adrian Mannarino → replaced by J. J. Wolf
• Guido Pella → replaced by Alex Bolt

• Jurij Rodionov

Country	Player	Country	Player	Rank1	Seed
GBR	Luke Bambridge	GBR	Ken Skupski	126	1
ISR	Jonathan Erlich	MEX	Santiago González	126	2
PAK	Aisam-ul-Haq Qureshi	IND	Divij Sharan	135	3
AUS	Matthew Ebden	AUS	John-Patrick Smith	145	4

• ¹ Rankings are as of 12 July 2021.

The following pairs received wildcards into the doubles main draw:

• Ernesto Escobedo / Luis Patiño
• Mackenzie McDonald / Sam Querrey

Before the tournament

• Marcelo Arévalo / Miguel Ángel Reyes-Varela → replaced by Harri Heliövaara / Miguel Ángel Reyes-Varela
• Ričardas Berankis / Harri Heliövaara → replaced by Sriram Balaji / Luca Margaroli
• Lloyd Glasspool / Cameron Norrie → replaced by Evgeny Donskoy / Illya Marchenko
• Matt Reid / Jordan Thompson → replaced by Alex Bolt / Jordan Thompson

During the tournament

• Alex Bolt / Jordan Thompson

• Official website