| Singles | |
|---|---|
| 2016 Croatia Open Umag | |
| Champion |  Fabio Fognini |
| Runner-up |  Andrej Martin |
| Score | 6–4, 6–1 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Dominic Thiem was the defending champion, but chose to compete in Kitzbühel instead.
Fabio Fognini won the title, defeating Andrej Martin in the final, 6–4, 6–1.
The top four seeds receive a bye into the second round.
Pablo Cuevas (second round)
João Sousa (quarterfinals)
Jérémy Chardy (quarterfinals) Fabio Fognini (champion)
Nicolás Almagro (first round) Pablo Carreño Busta (quarterfinals) Martin Kližan (second round)
Jiří Veselý (second round, retired)| Semifinals | Final | ||||||||||||
| Gastão Elias | 3 | 3 | |||||||||||
| 4 | Fabio Fognini | 6 | 6 | ||||||||||
| 4 | Fabio Fognini | 6 | 6 | ||||||||||
| Andrej Martin | 4 | 1 | |||||||||||
 Carlos Berlocq | 64 | 4 | |||||||||||
| Andrej Martin | 77 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Cuevas | 6 | 3 | 67 | |||||||||||||||||||||||
| G Elias | 6 | 6 | G Elias | 3 | 6 | 79 | |||||||||||||||||||||
| G García López | 1 | 2 | G Elias | 6 | 6 | ||||||||||||||||||||||
| WC |  N Serdarušić | 4 | 2 | 6 | P Carreño Busta | 4 | 4 | ||||||||||||||||||||
 T Gabashvili | 6 | 6 | T Gabashvili | 4 | 2 | ||||||||||||||||||||||
| A Seppi | 4 | 4 | 6 | P Carreño Busta | 6 | 6 | |||||||||||||||||||||
| 6 | P Carreño Busta | 6 | 6 | G Elias | 3 | 3 | |||||||||||||||||||||
| 4 | F Fognini | 6 | 6 | ||||||||||||||||||||||||
| 4 | F Fognini | 6 | 6 | ||||||||||||||||||||||||
| Q |  A Ghem | 6 | 64 | 65 | SE | R Olivo | 4 | 1 | |||||||||||||||||||
| SE | R Olivo | 3 | 77 | 77 | 4 | F Fognini | 4 | 6 | 6 | ||||||||||||||||||
| WC | F Škugor | 0 | 1r |  D Džumhur | 6 | 1 | 1 | ||||||||||||||||||||
| T Fabbiano | 6 | 4 | T Fabbiano | 6 | 1 | 2 | |||||||||||||||||||||
| D Džumhur | 6 | 5 | 7 | D Džumhur | 4 | 6 | 6 | ||||||||||||||||||||
| 5 | N Almagro | 2 | 7 | 5 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | J Veselý | 6 | 6 | ||||||||||||||||||||||||
| Q |  M Linzer | 3 | 1 | 8 | J Veselý | 5 | 0r | ||||||||||||||||||||
 F Krajinović | 3 | 1 | C Berlocq | 7 | 3 | ||||||||||||||||||||||
| C Berlocq | 6 | 6 | C Berlocq | 6 | 6 | ||||||||||||||||||||||
 A Bedene | 7 | 4 | 4 | 3 | J Chardy | 4 | 2 | ||||||||||||||||||||
| Q | N Ćaćić | 5 | 6 | 6 | Q | N Ćaćić | 2 | 0 | |||||||||||||||||||
| 3 | J Chardy | 6 | 6 | ||||||||||||||||||||||||
| C Berlocq | 64 | 4 | |||||||||||||||||||||||||
| 7 | M Kližan | 6 | 7 | A Martin | 77 | 6 | |||||||||||||||||||||
| Q | E López Pérez | 2 | 5 | 7 | M Kližan | 6 | 5 | 2 | |||||||||||||||||||
| A Martin | 78 | 6 | A Martin | 3 | 7 | 6 | |||||||||||||||||||||
 S Stakhovsky | 66 | 4 | A Martin | 6 | 4 | 6 | |||||||||||||||||||||
| WC | N Mektić | 5 | 2 | 2 | J Sousa | 3 | 6 | 2 | |||||||||||||||||||
| L Mayer | 7 | 6 | L Mayer | 5 | 61 | ||||||||||||||||||||||
| 2 | J Sousa | 7 | 77 | ||||||||||||||||||||||||
The top two seeds received a bye into the qualifying competition.
Enrique López Pérez (qualified) André Ghem (qualified) Axel Michon (qualifying competition)
Antal van der Duim (first round, retired) Oriol Roca Batalla (first round) Marek Michalička (first round) Michal Konečný (qualifying round) Juan Pablo Paz (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Enrique López Pérez | 7 | 6 | ||||||||||
| Danilo Petrović | 0 | 65 | 8 | Juan Pablo Paz | 5 | 4 | |||||||
| 8 | Juan Pablo Paz | 6 | 77 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | André Ghem | 2 | 6 | 6 | |||||||||
| WC | Kristijan Mesaroš | 6 | 6 | WC | Kristijan Mesaroš | 6 | 3 | 1 | |||||
| 6 | Marek Michalička | 1 | 2 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Axel Michon | 77 | 4 | 6 | |||||||||
| Ante Pavić | 62 | 6 | 3 | ||||||||||
| 3 | Axel Michon | 2 | 4 | ||||||||||
| Michael Linzer | 6 | 6 | |||||||||||
| Michael Linzer | 6 | 4 | 6 | ||||||||||
| 5 | Oriol Roca Batalla | 3 | 6 | 1 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Antal van der Duim | 1r | |||||||||||
| Nikola Ćaćić | 4 | ||||||||||||
| Nikola Ćaćić | 6 | 6 | |||||||||||
| 7 | Michal Konečný | 3 | 2 | ||||||||||
| WC | Roko Savin | 65 | 5 | ||||||||||
| 7 | Michal Konečný | 77 | 7 | ||||||||||
Four-time defending champion Rafael Nadal successfully defended his title, defeating David Ferrer in a rematch of the previous year's final, 6–2, 7–5, to win the singles title at the 2009 Barcelona Open. It was his record-extending fifth title at the Barcelona Open.
Roger Federer defeated Rafael Nadal in the final, 6–4, 6–4 to win the men's singles tennis title at the 2009 Madrid Open.
Juan Martín del Potro was the defending champion, but withdrew before the tournament, because of illness.
Stanislas Wawrinka defeated David Ferrer 6–1, 6–4 in the final to win the title.
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.
Novak Djokovic defeated the defending champion David Ferrer in the final, 7–5, 7–5, to win the singles title at the 2013 Paris Masters. It was his second Paris Masters title. It was also Ferrer's seventh consecutive defeat at an ATP World Tour's final.
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.
Tommy Haas was the defending champion but lost to Martin Kližan in the semifinals.
Kližan went on to win the title, defeating Fabio Fognini in the final, 2–6, 6–1, 6–2.
Tommy Robredo was the defending champion, but lost to Pablo Cuevas in the final, 3–6, 4–6.
This was the first edition of the tournament.
Federico Delbonis was the defending champion, but lost to Facundo Bagnis in the first round.
Pablo Cuevas won the title, defeating Luca Vanni in the final, 6–4, 3–6, 7–6(7–4).
Rafael Nadal was the defending champion, but lost in the semifinals to Fabio Fognini.
Defending champion Kei Nishikori successfully defended his title, defeating Pablo Andújar in the final, 6–4, 6–4, to win the singles title at the 2015 Barcelona Open.
Pablo Cuevas was the last edition champion, but he chose to defend another of his previous title in Båstad which was held simultaneously with the Croatia Open Umag this year.
Feliciano López was the defending champion, but lost in the second round to Yannick Hanfmann.
Pablo Cuevas was the three-time defending champion, but lost in the semifinals to Fabio Fognini.
David Ferrer was the defending champion, but lost in the second round to Casper Ruud.
Sam Querrey was the defending champion, but lost in the second round to Egor Gerasimov.
Fabio Fognini was the champion in 2014, when the event was last held, but chose to compete in Dubai instead.
Pablo Carreño Busta defeated Jaume Munar in the final, 6–1, 2–6, 6–4 to win the inaugural Men's Singles tennis title at the 2021 Andalucía Open. Notably, this was the first tournament in ATP history to feature 4 semifinalists from the same nation.
Francisco Cerúndolo defeated Sebastián Báez in the final, 7–6(7–4), 6–2 to win the men's singles tennis title at the 2022 Swedish Open. It was his maiden ATP Tour title.