| Singles | |
|---|---|
| 2020 Generali Open Kitzbühel | |
| Champion |  Miomir Kecmanović |
| Runner-up |  Yannick Hanfmann |
| Score | 6–4, 6–4 |
Dominic Thiem was the defending champion and chose not to defend his title, as he was still competing at the 2020 US Open.
Miomir Kecmanović won his first ATP Tour title, defeating Yannick Hanfmann in the final, 6–4, 6–4.
Fabio Fognini (second round)
Diego Schwartzman (quarterfinals) Dušan Lajović (second round)
Nikoloz Basilashvili (second round)
Hubert Hurkacz (second round)
Kei Nishikori (first round) Guido Pella (second round)
Albert Ramos Viñolas (first round)| Semifinals | Final | ||||||||||||
| Q |  Marc-Andrea Hüsler | 2 | 7 | 3 | |||||||||
| Miomir Kecmanović | 6 | 5 | 6 | ||||||||||
| Miomir Kecmanović | 6 | 6 | |||||||||||
| Q | Yannick Hanfmann | 4 | 4 | ||||||||||
| Q | Yannick Hanfmann | 4 | 6 | 77 | |||||||||
| Q | Laslo Đere | 6 | 3 | 65 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Fognini | 1 | 2 | ||||||||||||||||||||||||
| Q | M-A Hüsler | 3 | 6 | 77 | Q | M-A Hüsler | 6 | 6 | |||||||||||||||||||
| WC |  E Ruusuvuori | 6 | 4 | 62 | Q | M-A Hüsler | 6 | 6 | |||||||||||||||||||
| F López | 6 | 6 | F López | 4 | 3 | ||||||||||||||||||||||
| Q |  P-H Herbert | 4 | 3 | F López | 7 | 64 | 77 | ||||||||||||||||||||
| Y Nishioka | 3 | 0 | 7 | G Pella | 5 | 77 | 63 | ||||||||||||||||||||
| 7 | G Pella | 6 | 6 | Q | M-A Hüsler | 2 | 7 | 3 | |||||||||||||||||||
| M Kecmanović | 6 | 5 | 6 | ||||||||||||||||||||||||
| 4 | N Basilashvili | 5 | 3 | ||||||||||||||||||||||||
| Q | F Delbonis | 6 | 6 | Q | F Delbonis | 7 | 6 | ||||||||||||||||||||
| JI Londero | 4 | 0 | Q | F Delbonis | 4 | 77 | 5 | ||||||||||||||||||||
 J Thompson | 6 | 4 | 77 | M Kecmanović | 6 | 65 | 7 | ||||||||||||||||||||
| J Millman | 3 | 6 | 62 | J Thompson | 2 | 2 | |||||||||||||||||||||
| M Kecmanović | 4 | 6 | 6 | M Kecmanović | 6 | 6 | |||||||||||||||||||||
| 6 | K Nishikori | 6 | 4 | 2 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | H Hurkacz | 6 | 7 | ||||||||||||||||||||||||
 J Sousa | 3 | 5 | 5 | H Hurkacz | 1 | 4 | |||||||||||||||||||||
| WC |  D Novak | 66 | 4 | Q | M Marterer | 6 | 6 | ||||||||||||||||||||
| Q | M Marterer | 78 | 6 | Q | M Marterer | 2 | 5 | ||||||||||||||||||||
 A Bublik | 5 | 2 | Q | Y Hanfmann | 6 | 7 | |||||||||||||||||||||
| Q | Y Hanfmann | 7 | 6 | Q | Y Hanfmann | 4 | 6 | 6 | |||||||||||||||||||
| 3 | D Lajović | 6 | 3 | 4 | |||||||||||||||||||||||
| Q | Y Hanfmann | 4 | 6 | 77 | |||||||||||||||||||||||
| 8 | A Ramos Viñolas | 1 | 6 | 62 | Q | L Đere | 6 | 3 | 65 | ||||||||||||||||||
| Q | L Đere | 6 | 3 | 77 | Q | L Đere | 6 | 6 | |||||||||||||||||||
| WC | J Sinner | 6 | 6 | WC | J Sinner | 4 | 4 | ||||||||||||||||||||
| WC | P Kohlschreiber | 3 | 2 | Q | L Đere | 77 | 6 | ||||||||||||||||||||
| WC | S Ofner | 65 | 6 | 77 | 2 | D Schwartzman | 62 | 3 | |||||||||||||||||||
 R Albot | 77 | 4 | 64 | WC | S Ofner | 2 | 6 | 5 | |||||||||||||||||||
| 2 | D Schwartzman | 6 | 2 | 7 | |||||||||||||||||||||||
Pierre-Hugues Herbert (qualified)
Egor Gerasimov (qualifying competition)
Attila Balázs (first round) Federico Delbonis (qualified) Laslo Đere (qualified)
Thiago Monteiro (qualifying competition) Andreas Seppi (qualifying competition) Dominik Koepfer (first round)
Andrej Martin (first round) Yannick Hanfmann (qualified)
Prajnesh Gunneswaran (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Pierre-Hugues Herbert | 6 | 6 | ||||||||||
 Maxime Cressy | 1 | 3 | |||||||||||
| 1 | Pierre-Hugues Herbert | 6 | 6 | ||||||||||
| WC | Leandro Riedi | 3 | 4 | ||||||||||
| WC | Leandro Riedi | 4 | 6 | 77 | |||||||||
| 10 | Andrej Martin | 6 | 4 | 64 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Egor Gerasimov | 77 | 6 | ||||||||||
| WC | Alexander Erler | 62 | 3 | ||||||||||
| 2 | Egor Gerasimov | 4 | 4 | ||||||||||
| Alt | Maximilian Marterer | 6 | 6 | ||||||||||
| Alt | Maximilian Marterer | 61 | 6 | 6 | |||||||||
| 9 | Dominik Koepfer | 77 | 3 | 2 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Attila Balázs | 4 | 0 | ||||||||||
| Alt | Marc-Andrea Hüsler | 6 | 6 | ||||||||||
| Alt | Marc-Andrea Hüsler | 6 | 6 | ||||||||||
| 12 | Prajnesh Gunneswaran | 3 | 3 | ||||||||||
| WC | Sandro Kopp | 4 | 6 | 4 | |||||||||
| 12 | Prajnesh Gunneswaran | 6 | 1 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Federico Delbonis | 77 | 6 | ||||||||||
| Alt | Matthias Bachinger | 62 | 4 | ||||||||||
| 4 | Federico Delbonis | 6 | 6 | ||||||||||
| Jurij Rodionov | 4 | 2 | |||||||||||
| Jurij Rodionov | 6 | 6 | |||||||||||
| Alt | Luke Saville | 4 | 2 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 5 | Laslo Đere | 6 | 7 | ||||||||||
| Alt |  Viktor Galović | 3 | 5 | ||||||||||
| 5 | Laslo Đere | 6 | 6 | ||||||||||
| 8 | Andreas Seppi | 3 | 4 | ||||||||||
| Alt | Max Purcell | 6 | 2 | 4 | |||||||||
| 8 | Andreas Seppi | 1 | 6 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 6 | Thiago Monteiro | 6 | 65 | 7 | |||||||||
| Alt | Lucas Miedler | 2 | 77 | 5 | |||||||||
| 6 | Thiago Monteiro | 1 | 6 | 3 | |||||||||
| 11 | Yannick Hanfmann | 6 | 2 | 6 | |||||||||
 Ernests Gulbis | 63 | 1 | |||||||||||
| 11 | Yannick Hanfmann | 77 | 6 | ||||||||||
Gaël Monfils was the defending champion, but lost to wildcard Patrik Rosenholm in the first round.
Tomáš Berdych won the title, defeating Jo-Wilfried Tsonga 4–6, 6–4, 6–4 in the final.
Albert Montañés was the defending champion, but lost to Ernests Gulbis in the semifinals. Gulbis went on to win the title, defeating Federico Delbonis in the final, 6–1, 7–6(7–5).
This was the first edition of the tournament.
Federico Delbonis was the defending champion but retired in the first round against Reda El Amrani.
Two-time defending champion Rafael Nadal defeated Kei Nishikori in the final, 6–3, 6–2 to win the singles tennis title at the 2018 Monte-Carlo Masters. It was his record-extending 11th Monte-Carlo Masters title and his record 31st Masters title. By winning the title, Nadal also retained the ATP no. 1 singles ranking. He did not lose a single set during the tournament.
Alexander Zverev defeated Dominic Thiem in the final, 6–4, 6–4 to win the men's singles tennis title at the 2018 Madrid Open. He did not lose a set and did not have his serve broken throughout the entire tournament.
Jo-Wilfried Tsonga was the defending champion, but due to injury did not defend his title.
Benoît Paire defeated defending champion Pablo Andújar in the final, 6–2, 6–3, to win the singles tennis title at the 2019 Grand Prix Hassan II. The win earned Paire his second career Association of Tennis Professionals (ATP) singles title, his first in four years. Andújar saw his 13-match winning streak snapped in the loss after he had won two consecutive ATP Challenger Tour titles in Marbella and Alicante in the two weeks prior to the tournament.
Juan Ignacio Londero was the defending champion, but lost to Laslo Đere in the quarterfinals.
The 2020 Generali Open Kitzbühel was a tennis tournament played on outdoor clay courts. It is the 76th edition of the Austrian Open Kitzbühel, and part of the ATP Tour 250 series of the 2020 ATP Tour. It will take place at the Tennis stadium Kitzbühel in Kitzbühel, Austria, from 6 to 13 September.
Daniil Medvedev defeated Alexander Zverev in the final, 5–7, 6–4, 6–1 to win the singles tennis title at the 2020 Paris Masters.
Cristian Garín defeated Facundo Bagnis in the final, 6–4, 6–7(3–7), 7–5 to capture the men's singles tennis title at the 2021 Chile Open.
Alexander Zverev defeated Matteo Berrettini in the final, 6–7(8–10), 6–4, 6–3 to win the men's singles tennis title at the 2021 Madrid Open. It was Zverev's fourth Masters 1000 title, his first since Madrid 2018, and his 15th career ATP Tour singles title overall. Berrettini was in contention to become the second Italian to be a Masters 1000 champion.
Casper Ruud defeated Hugo Gaston in the final, 6–3, 6–2, to win the men's singles tennis title at the 2021 Swiss Open.
Miomir Kecmanović was the defending champion, but chose to compete at the Summer Olympics instead.
Hubert Hurkacz was the reigning champion from when the tournament was last held in 2019, but chose not to participate this year.
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.
David Goffin defeated Alex Molčan in the final, 3–6, 6–3, 6–3 to win the singles tennis title at the 2022 Grand Prix Hassan II. It was Goffin's sixth ATP singles title.
Sebastián Báez defeated Federico Coria in the final, 6–1, 3–6, 6–3 to win the singles tennis title at the 2023 Córdoba Open.
Nicolás Jarry defeated Tomás Martín Etcheverry in the final, 6–7(5–7), 7–6(7–5), 6–2 to win the singles tennis title at the 2023 Chile Open. This was Jarry's first ATP title since 2019.