| Men's singles | |
|---|---|
| 2019 Jinan International Open | |
| Champion |  Zhang Zhizhen |
| Runner-up |  Go Soeda |
| Final score | 7–5, 2–6, 6–4 |
Alexei Popyrin was the defending champion [1] but chose not to defend his title.
Zhang Zhizhen won the title after defeating Go Soeda 7–5, 2–6, 6–4 in the final.
All seeds receive a bye into the second round.
Prajnesh Gunneswaran (quarterfinals)
Kwon Soon-woo (semifinals)
Matthew Ebden (second round) James Duckworth (third round) Tatsuma Ito (third round) Yasutaka Uchiyama (second round) Go Soeda (final)
Steven Diez (second round)
Peđa Krstin (second round) Hiroki Moriya (second round)
Enrique López Pérez (semifinals) Bai Yan (second round) Li Zhe (quarterfinals) Max Purcell (quarterfinals) Roberto Ortega Olmedo (second round) Akira Santillan (third round)| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Prajnesh Gunneswaran | 62 | 6 | 3 | ||||||||||||||||
| 7 | Go Soeda | 77 | 3 | 6 | ||||||||||||||||
| 7 | Go Soeda | 4 | 77 | 6 | ||||||||||||||||
| 11 | Enrique López Pérez | 6 | 63 | 2 | ||||||||||||||||
| 13 | Li Zhe | 3 | 77 | 3 | ||||||||||||||||
| 11 | Enrique López Pérez | 6 | 65 | 6 | ||||||||||||||||
| 7 | Go Soeda | 5 | 6 | 4 | ||||||||||||||||
| WC | Zhang Zhizhen | 7 | 2 | 6 | ||||||||||||||||
| WC | Zhang Zhizhen | 77 | 6 | |||||||||||||||||
| 14 | Max Purcell | 63 | 1 | |||||||||||||||||
| WC | Zhang Zhizhen | 6 | 6 | |||||||||||||||||
| 2 | Kwon Soon-woo | 4 | 3 | |||||||||||||||||
 Teymuraz Gabashvili | 6 | 3 | 4 | |||||||||||||||||
| 2 | Kwon Soon-woo | 3 | 6 | 6 | ||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 1 | P Gunneswaran | 6 | 6 | ||||||||||||||||||||||||
 TK Wang | 6 | 5 | 3 | Q | R Tokuda | 2 | 2 | ||||||||||||||||||||
| Q | Renta Tokuda | 3 | 7 | 6 | 1 | P Gunneswaran | 6 | 77 | |||||||||||||||||||
 T-l Wu | 6 | 6 | T-l Wu | 4 | 63 | ||||||||||||||||||||||
| L Saville | 3 | 1 | T-l Wu | 5 | 6 | 7 | |||||||||||||||||||||
| 15 | R Ortega Olmedo | 7 | 2 | 5 | |||||||||||||||||||||||
| 1 | P Gunneswaran | 62 | 6 | 3 | |||||||||||||||||||||||
| 7 | G Soeda | 77 | 3 | 6 | |||||||||||||||||||||||
| 10 | H Moriya | 3 | 5 | ||||||||||||||||||||||||
| WC | D Wu | 6 | 6 | WC | D Wu | 6 | 7 | ||||||||||||||||||||
 C Altamirano | 4 | 4 | WC | D Wu | 2 | 1 | |||||||||||||||||||||
 I Sijsling | 3 | 2 | 7 | G Soeda | 6 | 6 | |||||||||||||||||||||
 G Oliveira | 6 | 6 | G Oliveira | 3 | 0r | ||||||||||||||||||||||
| 7 | G Soeda | 6 | 1 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 4 | J Duckworth | 6 | 6 | ||||||||||||||||||||||||
| Ze Zhang | 6 | 6 | Ze Zhang | 1 | 4 | ||||||||||||||||||||||
| Alt | F Sun | 3 | 4 | 4 | J Duckworth | 63 | 3 | ||||||||||||||||||||
| I Nedelko | 4 | 7 | 6 | 13 | Z Li | 77 | 6 | ||||||||||||||||||||
| J-s Nam | 6 | 5 | 3 | I Nedelko | 66 | 67 | |||||||||||||||||||||
| 13 | Z Li | 78 | 79 | ||||||||||||||||||||||||
| 13 | Z Li | 3 | 77 | 3 | |||||||||||||||||||||||
| 11 | E López Pérez | 6 | 65 | 6 | |||||||||||||||||||||||
| 11 | E López Pérez | 77 | 6 | ||||||||||||||||||||||||
| Y-s Chung | 2 | 4 | K Uchida | 64 | 3 | ||||||||||||||||||||||
| K Uchida | 6 | 6 | 11 | E López Pérez | 77 | 6 | |||||||||||||||||||||
| A Vukic | 3 | 6 | 3 |  J Ward | 64 | 3 | |||||||||||||||||||||
| J Ward | 6 | 3 | 6 | J Ward | 4 | 77 | 6 | ||||||||||||||||||||
| 6 | Y Uchiyama | 6 | 64 | 0 | |||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 8 | S Diez | 3 | 3 | ||||||||||||||||||||||||
| WC | Zh Zhang | 2 | 6 | 6 | WC | Zh Zhang | 6 | 6 | |||||||||||||||||||
| WC | Cui Jie | 6 | 3 | 3 | WC | Zh Zhang | 6 | 6 | |||||||||||||||||||
| Shintaro Imai | 5 | 6 | 2 | C-h Tseng | 4 | 3 | |||||||||||||||||||||
| C-h Tseng | 7 | 4 | 6 | C-h Tseng | 77 | 77 | |||||||||||||||||||||
| 9 | P Krstin | 62 | 61 | ||||||||||||||||||||||||
| WC | Zh Zhang | 77 | 6 | ||||||||||||||||||||||||
| 14 | M Purcell | 63 | 1 | ||||||||||||||||||||||||
| 14 | M Purcell | 6 | 1 | 6 | |||||||||||||||||||||||
| Q | Evan Song | 6 | 6 | Q | E Song | 3 | 6 | 3 | |||||||||||||||||||
| H Bourchier | 4 | 3 | 14 | M Purcell | 2 | 6 | 6 | ||||||||||||||||||||
| LL | Jin Yuquan | 3 | 1 | F Ferreira Silva | 6 | 4 | 3 | ||||||||||||||||||||
| F Ferreira Silva | 6 | 6 | F Ferreira Silva | 6 | 6 | ||||||||||||||||||||||
| 3 | M Ebden | 4 | 4 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 5 | T Ito | 6 | 6 | ||||||||||||||||||||||||
| Baptiste Crepatte | 6 | 78 | B Crepatte | 4 | 0 | ||||||||||||||||||||||
| T-h Yang | 4 | 66 | 5 | T Ito | 5 | 3 | |||||||||||||||||||||
| T Gabashvili | 6 | 5 | 6 | T Gabashvili | 7 | 6 | |||||||||||||||||||||
| Jacob Grills | 4 | 7 | 1 | T Gabashvili | 4 | 6 | 6 | ||||||||||||||||||||
| 12 | Y Bai | 6 | 3 | 2 | |||||||||||||||||||||||
| T Gabashvili | 6 | 3 | 4 | ||||||||||||||||||||||||
| 2 | S-w Kwon | 3 | 6 | 6 | |||||||||||||||||||||||
| 16 | A Santillan | 6 | 6 | ||||||||||||||||||||||||
| S Mukund | 3 | 3 | S Sekiguchi | 1 | 2 | ||||||||||||||||||||||
| Shuichi Sekiguchi | 6 | 6 | 16 | A Santillan | 66 | 4 | |||||||||||||||||||||
| WC | Y He | 6 | 6 | 2 | S-w Kwon | 78 | 6 | ||||||||||||||||||||
| WC | X Gao | 1 | 4 | WC | Y He | 4 | 2 | ||||||||||||||||||||
| 2 | S-w Kwon | 6 | 6 | ||||||||||||||||||||||||
Juan Martín del Potro was the two-time defending champion but chose not to defend his title.
Kevin Anderson was the defending champion, but withdrew before the tournament began because of a right elbow injury.
Juan Martín del Potro was the defending champion, but withdrew due to injury after accepting a wildcard before the tournament began.
Fabio Fognini defeated Dušan Lajović in the final, 6–3, 6–4 to win the singles title at the 2019 Monte-Carlo Masters. It was his first ATP Tour Masters 1000 title.
João Sousa was the defending champion, but lost in the second round to David Goffin.
Tommy Robredo was the defending champion but retired in the first round against Maxime Janvier.
Dominic Thiem was the defending champion, but he chose not to defend his title this year.
Defending champion Rafael Nadal successfully defended his title, defeating Daniil Medvedev in the final, 6–3, 6–0, to win the men's singles title at the 2019 Canadian Open. This was the first time Nadal defended a hardcourt title.
Bernard Tomic was the defending champion, but retired in the first round of the qualifying tournament against Denis Istomin.
Daniil Medvedev was the defending champion, but chose not to defend his title.
Novak Djokovic was the defending champion, but lost to Stefanos Tsitsipas in the quarterfinals.
Stefanos Tsitsipas was the defending champion, but chose not to defend his title.
Alexander Bublik was the defending champion but chose not to defend his title.
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 ATP Masters 1000 title, his first since winning Madrid in 2018, and his 15th career ATP Tour singles title overall. Berrettini was in contention to become the second Italian to be crowned a Masters 1000 champion in his first final at this level.
Daniil Medvedev won the title, defeating Reilly Opelka in the final, 6–4, 6–3. It was his fourth ATP Masters 1000 title and 12th career title.
Alexander Zverev defeated Andrey Rublev in the final, 6–2, 6–3 to win the men's singles title at the 2021 Cincinnati Masters. It was his fifth ATP Tour Masters 1000 title and 17th career singles title on the ATP Tour.
Hubert Hurkacz was the reigning champion from when the tournament was last held in 2019, but chose not to participate this year.
Andrey Rublev was the defending champion, but chose to compete in St. Petersburg instead.
Novak Djokovic defeated the defending champion Daniil Medvedev in the final, 4–6, 6–3, 6–3 to win the singles title at the 2021 Paris Masters. It was his record-extending sixth Paris Masters title and record-breaking 37th ATP Tour Masters 1000 title overall, breaking a tie with Rafael Nadal in the latter category.
Andrey Rublev defeated Jiří Veselý in the final, 6–3, 6–4 to win the men's singles title at the 2022 Dubai Tennis Championships. It was Rublev's tenth career singles title. Veselý entered the tournament ranked as the world No. 123, and was the lowest-ranked finalist in the tournament's history.