| Doubles | |
|---|---|
| 2021 Los Cabos Open | |
| Champions |  Hans Hach Verdugo  John Isner |
| Runners-up | Hunter Reese  Sem Verbeek |
| Final score | 5–7, 6–2, [10–4] |
Romain Arneodo and Hugo Nys were the reigning champions from when the tournament was last held in 2019, [1] but chose to play in Gstaad instead.
Hans Hach Verdugo and John Isner won the title, defeating Hunter Reese and Sem Verbeek in the final, 5–7, 6–2, [10–4]. [2]
Luke Bambridge / Ken Skupski (first round)
Jonathan Erlich / Santiago González (quarterfinals)
Aisam-ul-Haq Qureshi / 
Divij Sharan (first round)
Matthew Ebden / John-Patrick Smith (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | L Bambridge K Skupski | 64 | 77 | [8] | |||||||||||||||||||||||
| H Reese S Verbeek | 77 | 64 | [10] | H Reese S Verbeek | 6 | 77 | |||||||||||||||||||||
 T Huey S Johnson | 77 | 65 | [11] | T Huey S Johnson | 4 | 63 | |||||||||||||||||||||
 S Doumbia F Reboul | 62 | 77 | [9] | H Reese S Verbeek | 6 | 77 | |||||||||||||||||||||
| 4 | M Ebden J-P Smith | 6 | 66 | [10] | WC | M McDonald S Querrey | 4 | 63 | |||||||||||||||||||
 H Heliövaara MÁ Reyes-Varela | 3 | 78 | [6] | 4 | M Ebden J-P Smith | 5 | 3 | ||||||||||||||||||||
| WC | M McDonald S Querrey | 6 | 6 | WC | M McDonald S Querrey | 7 | 6 | ||||||||||||||||||||
| N Lammons J Withrow | 1 | 4 | H Reese S Verbeek | 7 | 2 | [4] | |||||||||||||||||||||
| A Bolt J Thompson | H Hach Verdugo J Isner | 5 | 6 | [10] | |||||||||||||||||||||||
| WC | E Escobedo L Patiño | w/o | WC | E Escobedo L Patiño | 4 | 6 | [7] | ||||||||||||||||||||
| H Hach Verdugo J Isner | 77 | 7 | H Hach Verdugo J Isner | 6 | 2 | [10] | |||||||||||||||||||||
| 3 | A-u-H Qureshi D Sharan | 63 | 5 | H Hach Verdugo J Isner | 6 | 6 | |||||||||||||||||||||
S Balaji  L Margaroli | 6 | 4 | [8] | T Fritz N Monroe | 3 | 4 | |||||||||||||||||||||
| T Fritz N Monroe | 1 | 6 | [10] | T Fritz N Monroe | 6 | 4 | [10] | ||||||||||||||||||||
| Alt |  E Donskoy  I Marchenko | 62 | 5 | 2 | J Erlich S González | 4 | 6 | [6] | |||||||||||||||||||
| 2 | J Erlich S González | 77 | 7 | ||||||||||||||||||||||||
Hans Hach Verdugo is a Mexican tennis player.
Sem Verbeek is a Dutch tennis player.
Brandon Nakashima is an American professional tennis player. He has been ranked as high as world No. 62 in singles by the Association of Tennis Professionals (ATP), which he first achieved in November 2021. He also reached a career-high doubles ranking of No. 396 that same month.
This was the first edition of the tournament.
The 2019 Los Cabos Open is an ATP tennis tournament to be played on outdoor hard courts. It will be the 4th edition of the tournament, and part of the ATP Tour 250 series of the 2019 ATP Tour. It will take place in Los Cabos, Mexico from July 29 through August 4, 2019.
Alex Lawson and Li Zhe were the defending champions but only Li chose to defend his title, partnering Hugo Nys. Li lost in the final to André Göransson and Sem Verbeek.
Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions, but lost in the first round to Hans Hach Verdugo and Dennis Novikov.
Luke Bambridge and Jonny O'Mara were the defending champions but only O'Mara chose to defend his title, partnering Ken Skupski. O'Mara lost in the semifinals to Hans Podlipnik Castillo and Tristan-Samuel Weissborn.
Harri Heliövaara and Henri Laaksonen were the defending champions but chose not to defend their title.
Fabrice Martin and Hugo Nys were the defending champions but chose not to defend their title.
Hugo Nys and Tim Pütz defeated Luke Bambridge and Dominic Inglot in the final, 7–5, 3–6, [10–3], to win the doubles tennis title at the 2021 Estoril Open. It was Nys and Pütz's first title as a team in their second tournament together on the ATP Tour, marking Nys's second and Pütz's third individual career tour-level doubles titles. Bambridge and Inglot were in contention for their first title as a team after reaching their first tour-level final without dropping a set.
Ivan Dodig and Édouard Roger-Vasselin were the defending champions from when the tournament was last held in 2019, but Dodig decided not to participate this year. Roger-Vasselin played alongside Henri Kontinen but lost in the quarterfinals to Matthew Ebden and John-Patrick Smith.
Diego Schwartzman was the reigning champion from when the tournament was last held in 2019, but chose to compete at the Summer Olympics instead.
This was the first edition of the tournament.
André Göransson and Sem Verbeek were the defending champions but chose not to defend their title.
Hans Hach Verdugo and Adrián Menéndez Maceiras were the defending champions but only Hach Verdugo chose to defend his title, partnering Miguel Ángel Reyes-Varela. Hach Verdugo lost in the final to Malek Jaziri and Blaž Rola.
Reilly Opelka defeated Jenson Brooksby in the final, 7–6(7–5), 7–6(7–3) to win the singles title at the 2022 Dallas Open. This was the first edition of the tournament.
Reilly Opelka defeated John Isner in the final, 6–3, 7–6(9–7), to win the singles tennis title at the 2022 U.S. Men's Clay Court Championships. It marked Opelka's fourth career Association of Tennis Professionals (ATP) singles title and his first on clay. With Opelka's height at 6 ft 11 in (211 cm) and Isner's at 6 ft 10 in (208 cm), the combined heights of both players made the final the tallest one ever contended during the Open Era. At the age of 36, Isner was also playing to become the oldest champion at the tournament in the Open Era.
Matthew Ebden and Max Purcell defeated Ivan and Matej Sabanov in the final, 6–3, 6–3 to win the doubles tennis title at the 2022 U.S. Men's Clay Court Championships. They did not drop a set en route to their first ATP Tour doubles title as a team.
Nikola Mektić and Mate Pavić successfully defended their title, defeating John Isner and Diego Schwartzman in the final, 6–2, 6–7(6–8), [12–10] to win the men's doubles tennis title at the 2022 Italian Open. The pair saved a championship point en route to their tenth career title as a team.
| Grand Slam events | |
|---|---|
| ATP Tour Masters 1000 | |
| ATP Tour 500 | |
| ATP Tour 250 |
|
| Team events | |
 – Tournaments are affected by the COVID-19 pandemic * – Tournaments are introduced due to the impact of the COVID-19 pandemic | |