| Singles | |
|---|---|
| 2019 Los Cabos Open | |
| Champion |  Diego Schwartzman |
| Runner-up |  Taylor Fritz |
| Final score | 7–6(8–6), 6–3 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Fabio Fognini was the defending champion, [1] but lost in the quarterfinals to Taylor Fritz.
Diego Schwartzman won the title, defeating Fritz in the final, 7–6(8–6), 6–3.
The top four seeds received a bye into the second round.
Fabio Fognini (quarterfinals) Guido Pella (semifinals) Diego Schwartzman (champion)
Lucas Pouille (second round) Taylor Fritz (final)
Cristian Garín (first round)
Radu Albot (semifinals)
Mikhail Kukushkin (quarterfinals)| Semifinals | Final | ||||||||||||
| 5 | Taylor Fritz | 6 | 6 | ||||||||||
| 7 | Radu Albot | 3 | 2 | ||||||||||
| 5 | Taylor Fritz | 66 | 3 | ||||||||||
| 3 | Diego Schwartzman | 78 | 6 | ||||||||||
| 3 | Diego Schwartzman | 6 | 3 | 6 | |||||||||
| 2/WC | Guido Pella | 3 | 6 | 1 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Fognini | 4 | 6 | 6 | |||||||||||||||||||||||
| WC |  L Gómez | 0 | 1 |  M Granollers | 6 | 3 | 4 | ||||||||||||||||||||
| M Granollers | 6 | 6 | 1 | F Fognini | 1 | 61 | |||||||||||||||||||||
 P Gunneswaran | 6 | 1 | 6 | 5 | T Fritz | 6 | 77 | ||||||||||||||||||||
 J Millman | 4 | 6 | 2 | P Gunneswaran | 6 | 3 | 2 | ||||||||||||||||||||
| Q |  D Köpfer | 3 | 4 | 5 | T Fritz | 4 | 6 | 6 | |||||||||||||||||||
| 5 | T Fritz | 6 | 6 | 5 | T Fritz | 6 | 6 | ||||||||||||||||||||
| 7 | R Albot | 3 | 2 | ||||||||||||||||||||||||
| 4 | L Pouille | 6 | 4 | 3 | |||||||||||||||||||||||
| Q | M Janvier | 4 | 4 | WC | T Kokkinakis | 2 | 6 | 6 | |||||||||||||||||||
| WC | T Kokkinakis | 6 | 6 | WC | T Kokkinakis | 3 | 3 | ||||||||||||||||||||
 T Daniel | 6 | 6 | 7 | R Albot | 6 | 6 | |||||||||||||||||||||
| T Sandgren | 2 | 0 | T Daniel | 1 | 2 | ||||||||||||||||||||||
| PR |  J Tipsarević | 5 | 6 | 0 | 7 | R Albot | 6 | 6 | |||||||||||||||||||
| 7 | R Albot | 7 | 2 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | M Kukushkin | 7 | 6 | ||||||||||||||||||||||||
 D Džumhur | 5 | 2 | 8 | M Kukushkin | 7 | 7 | |||||||||||||||||||||
| G Barrère | 65 | 0 |  C Norrie | 5 | 5 | ||||||||||||||||||||||
| C Norrie | 77 | 6 | 8 | M Kukushkin | 1 | 2 | |||||||||||||||||||||
 E Gulbis | 6 | 77 | 3 | D Schwartzman | 6 | 6 | |||||||||||||||||||||
| Q |  J Jung | 4 | 62 | E Gulbis | 5 | 0 | |||||||||||||||||||||
| 3 | D Schwartzman | 7 | 6 | ||||||||||||||||||||||||
| 3 | D Schwartzman | 6 | 3 | 6 | |||||||||||||||||||||||
| 6 | C Garín | 6 | 2 | 3 | 2/WC | G Pella | 3 | 6 | 1 | ||||||||||||||||||
| JI Londero | 3 | 6 | 6 | JI Londero | 4 | 6 | 3 | ||||||||||||||||||||
| PR | C-M Stebe | 2 | 1 | Q |  S-w Kwon | 6 | 3 | 6 | |||||||||||||||||||
| Q | S-w Kwon | 6 | 6 | Q | S-w Kwon | 6 | 1 | 2 | |||||||||||||||||||
 G Dimitrov | 77 | 4 | 77 | 2/WC | G Pella | 4 | 6 | 6 | |||||||||||||||||||
| S Johnson | 64 | 6 | 65 | G Dimitrov | 4 | 2 | |||||||||||||||||||||
| 2/WC | G Pella | 6 | 6 | ||||||||||||||||||||||||
Kwon Soon-woo (qualified) Dominik Köpfer (qualified)
Egor Gerasimov (qualifying competition) Jason Jung (qualified) Marcos Giron (first round)
Sergiy Stakhovsky (first round) Maxime Janvier (qualified)
Lukáš Lacko (first round)| First round | Qualifying competition | ||||||||||||
| 1 | Kwon Soon-woo | 6 | 6 | ||||||||||
| WC | Luis Patiño | 1 | 2 | ||||||||||
| 1 | Kwon Soon-woo | 77 | 5 | 6 | |||||||||
 Marcelo Arévalo | 62 | 7 | 3 | ||||||||||
| Marcelo Arévalo | 6 | 6 | |||||||||||
| 5 | Marcos Giron | 4 | 3 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Dominik Köpfer | 6 | 6 | ||||||||||
| John-Patrick Smith | 2 | 4 | |||||||||||
| 2 | Dominik Köpfer | 6 | 77 | ||||||||||
| Alt | Jacob Grills | 3 | 65 | ||||||||||
| Alt | Jacob Grills | 6 | 6 | ||||||||||
| 8 | Lukáš Lacko | 3 | 2 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Egor Gerasimov | 4 | 6 | 7 | |||||||||
| Alt | Dennis Novikov | 6 | 2 | 5 | |||||||||
| 3 | Egor Gerasimov | 6 | 1 | 64 | |||||||||
| 7 | Maxime Janvier | 3 | 6 | 77 | |||||||||
| WC | Juan Ignacio Batalla | 1 | 4 | ||||||||||
| 7 | Maxime Janvier | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Jason Jung | 6 | 3 | 6 | |||||||||
| Alt | Gerardo López Villaseñor | 1 | 6 | 0 | |||||||||
| 4 | Jason Jung | 6 | 77 | ||||||||||
| Danilo Petrović | 4 | 64 | |||||||||||
| Danilo Petrović | 6 | 77 | |||||||||||
| 6 | Sergiy Stakhovsky | 4 | 65 | ||||||||||
Juan Mónaco was the defending champion but lost to Nicolás Almagro in the quarterfinals.
Fabio Fognini defeated qualifier Federico Delbonis 4–6, 7–6(10–8), 6–2 to win his first ATP World Tour 500 event and second career title in as many weeks.
Marin Čilić was the defending champion, but withdrew with a knee injury before the tournament began.
Tommy Robredo won the title, defeating Fabio Fognini in the final, 6–0, 6–3.
Horacio Zeballos was the defending champion, but lost in the second round to Daniel Gimeno Traver.
Fabio Fognini won the title, defeating Leonardo Mayer in the final 6–2, 6–4.
Dominic Thiem was the defending champion and successfully defended his title, defeating Alexander Zverev in the final, 6–4, 3–6, 6–0.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Alexander Zverev defeated Dominic Thiem in the final, 6–4, 6–4, to win the men's singles title at the 2018 Madrid Open.
Stan Wawrinka was the two-time defending champion but lost to Márton Fucsovics in the quarterfinals.
David Ferrer was the defending champion, but lost in the second round to Casper Ruud.
Yuki Bhambri was the defending champion but chose not to defend his title.
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.
John Isner was the two-time defending champion and had won the title five times in the last six years, but he lost in the second round to Reilly Opelka. This was only the second time out of ten in the Atlanta Open's history that Isner failed to reach the singles final.
Novak Djokovic was the defending champion, but lost to Stefanos Tsitsipas in the quarterfinals.
Roger Federer was the two-time defending champion and successfully defended his title, defeating Alex de Minaur in the final, 6–2, 6–2. The victory made Federer the first player in ATP history to win 10 titles on two different surfaces.
Novak Djokovic defeated Diego Schwartzman in the final, 7–5, 6–3 to win the men's singles title at the 2020 Italian Open. It was his fifth Rome Masters title and record 36th ATP Masters 1000 title overall. Djokovic entered his 287th week as world No. 1 following the tournament.
Hubert Hurkacz defeated Jannik Sinner in the final, 7–6(7–4), 6–4 to win the 2021 Miami Open men's singles tennis title. Hurkacz claimed his first Masters 1000 singles championship and became the first Polish man to win a Masters 1000 singles event.
Stefanos Tsitsipas defeated Andrey Rublev in the final, 6–3, 6–3 to win the singles tennis title at the 2021 Monte-Carlo Masters. It was his first ATP Tour Masters 1000 title, making him the first Greek man to win a tournament at this level. Rublev was also in contention for his maiden Masters 1000 title.
Cameron Norrie defeated Nikoloz Basilashvili in the final, 3–6, 6–4, 6–1 to win the men's singles tennis title at the 2021 Indian Wells Masters. It was his first ATP Tour Masters 1000 title, and he became the first Briton to win the title. Basilashvili became the first Georgian to reach a Masters final since Alex Metreveli in 1968, and the first player to do so representing Georgia as an independent nation.
Casper Ruud defeated the defending champion Diego Schwartzman in the final, 5–7, 6–2, 6–3 to win the singles title at the 2022 Argentina Open.
Defending champion Stefanos Tsitsipas defeated Alejandro Davidovich Fokina in the final, 6–3, 7–6(7–3) to win the singles tennis title at the 2022 Monte-Carlo Masters. He became the sixth player to win consecutive titles at the Monte-Carlo Masters in the Open Era. The win also earned him his second Masters 1000 title and his eighth career singles title overall.
Carlos Alcaraz defeated the defending champion Alexander Zverev in the final, 6–3, 6–1 to win the men's singles tennis title at the 2022 Madrid Masters. Alcaraz also became the first man to defeat Rafael Nadal and Novak Djokovic in the same clay court tournament, which he did in the quarterfinals and semifinals, respectively.