| Men's singles | |
|---|---|
| 2018 Shenzhen Longhua Open | |
| Champion |  Miomir Kecmanović |
| Runner-up |  Blaž Kavčič |
| Final score | 6–2, 2–6, 6–3 |
Radu Albot was the defending champion but lost in the first round to Zhang Ze.
Miomir Kecmanović won the title after defeating Blaž Kavčič 6–2, 2–6, 6–3 in the final.
Radu Albot (First round)
Thomas Fabbiano (Second round)
Ramkumar Ramanathan (Second round) Prajnesh Gunneswaran (First round) Miomir Kecmanović (Champion)
Yūichi Sugita (Second round) Go Soeda (First round)
Filip Peliwo (Second round)| Semifinals | Final | ||||||||||||
 Aleksandr Nedovyesov | 5 | 4 | |||||||||||
| 5 | Miomir Kecmanović | 7 | 6 | ||||||||||
| 5 | Miomir Kecmanović | 6 | 2 | 6 | |||||||||
| Blaž Kavčič | 2 | 6 | 3 | ||||||||||
 Alejandro Davidovich Fokina | 5 | 4 | |||||||||||
| Blaž Kavčič | 7 | 6 | |||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Albot | 4 | 6 | 2 | |||||||||||||||||||||||
 Ze Zhang | 6 | 4 | 6 | Ze Zhang | 6 | 1 | 6 | ||||||||||||||||||||
| D Wu | 4 | 4 |  L Broady | 4 | 6 | 1 | |||||||||||||||||||||
| L Broady | 6 | 6 | Ze Zhang | 63 | 64 | ||||||||||||||||||||||
| Q |  G Oliveira | 3 | 62 | A Nedovyesov | 77 | 77 | |||||||||||||||||||||
| A Nedovyesov | 6 | 77 | A Nedovyesov | 77 | 6 | ||||||||||||||||||||||
| B Schnur | 3 | 2 | 6 | Y Sugita | 64 | 4 | |||||||||||||||||||||
| 6 | Y Sugita | 6 | 6 | A Nedovyesov | 5 | 4 | |||||||||||||||||||||
| 3 | R Ramanathan | 3 | 6 | 77 | 5 | M Kecmanović | 7 | 6 | |||||||||||||||||||
| Q | S Nagal | 6 | 4 | 62 | 3 | R Ramanathan | 63 | 4 | |||||||||||||||||||
| WC | Mu Tao | 1 | 3 |  M Safwat | 77 | 6 | |||||||||||||||||||||
| M Safwat | 6 | 6 | M Safwat | 6 | 3 | 64 | |||||||||||||||||||||
| F Gaio | 6 | 3 | 5 | M Kecmanović | 1 | 6 | 77 | ||||||||||||||||||||
 D-h Lee | 1 | 0r | F Gaio | 6 | 5 | 2 | |||||||||||||||||||||
 K Coppejans | 4 | 3 | 5 | M Kecmanović | 4 | 7 | 6 | ||||||||||||||||||||
| 5 | M Kecmanović | 6 | 6 | ||||||||||||||||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | F Peliwo | 6 | 77 | ||||||||||||||||||||||||
| WC | R Te | 3 | 64 | 8 | F Peliwo | 4 | 7 | 3 | |||||||||||||||||||
| Q | S Mukund | 77 | 6 | Q | S Mukund | 6 | 5 | 6 | |||||||||||||||||||
| WC | Y Wu | 64 | 2 | Q | S Mukund | 4 | 2 | ||||||||||||||||||||
| S-w Kwon | 5 | 3 | A Davidovich Fokina | 6 | 6 | ||||||||||||||||||||||
 T-h Yang | 7 | 6 | T-h Yang | 77 | 4 | 2 | |||||||||||||||||||||
| A Davidovich Fokina | 6 | 6 | A Davidovich Fokina | 61 | 6 | 6 | |||||||||||||||||||||
| 4 | P Gunneswaran | 3 | 4 | A Davidovich Fokina | 5 | 4 | |||||||||||||||||||||
| 7 | G Soeda | 3 | 3 | B Kavčič | 7 | 6 | |||||||||||||||||||||
| B Kavčič | 6 | 6 | B Kavčič | 6 | 6 | ||||||||||||||||||||||
 J Tatlot | 6 | 0 | J Tatlot | 1 | 2 | ||||||||||||||||||||||
| Q | S Myneni | 0 | 0r | B Kavčič | 6 | 0 | |||||||||||||||||||||
 M Valkusz | 6 | 6 | M Valkusz | 2 | 0r | ||||||||||||||||||||||
| Z Li | 2 | 2 | M Valkusz | 77 | 7 | ||||||||||||||||||||||
| WC | Xia Zihao | 3 | 2 | 2 | T Fabbiano | 65 | 5 | ||||||||||||||||||||
| 2 | T Fabbiano | 6 | 6 | ||||||||||||||||||||||||
Ernests Gulbis won the last edition of the tournament held in 2013, but lost in the first round to Marcos Baghdatis.
Milos Raonic won the title, defeating João Sousa in the final, 6–3, 3–6, 6–3.
Miomir Kecmanović is a Serbian professional tennis player. Kecmanović reached his best singles ranking of world No. 38 on 8 March 2021 and he peaked at world No. 161 on 16 September 2019 in the doubles rankings. In singles, he has won one ATP title and two Challenger titles in his career.
Guillermo García-López was the defending champion, but lost in the semifinals to Fernando Verdasco.
Taylor Harry Fritz was the defending champion, but is no longer eligible to compete.
Milos Raonic was the defending champion, but lost in the second round to Mikhail Youzhny.
Alexander Zverev was the defending champion, but chose not to participate this year.
Lu Yen-hsun was the defending champion but withdrew before the tournament began.
Steve Johnson was the defending champion and successfully defended his title, defeating Tennys Sandgren in the final, 7–6(7–2), 2–6, 6–4.
Mikhail Youzhny was the defending champion but retired from professional tennis earlier in the year.
The 2018 Liuzhou International Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament for men and third edition for women. It was the part of the 2018 ATP Challenger Tour and 2018 ITF Women's Circuit. It took place in Liuzhou, China between 22 and 28 October 2018.
This was the first edition of the men's tournament.
Martin Kližan was the defending champion but chose not to defend his title.
Dominic Thiem defeated Roger Federer in the final, 3–6, 6–3, 7–5, to win the men's singles title at the 2019 Indian Wells Masters. It was his first ATP Tour Masters 1000 title. Thiem became the first Austrian to win a Masters 1000-level title since Thomas Muster won the 1997 Miami Open.
Marco Cecchinato was the defending champion, but withdrew due to illness.
Márton Fucsovics was the defending champion, but lost in the second round to Federico Delbonis.
Borna Ćorić was the defending champion, but retired from his quarterfinal match against Pierre-Hugues Herbert.
Daniil Medvedev defeated David Goffin in the final, 7–6(7–3), 6–4, to win the 2019 Cincinnati Masters. It was his first ATP Masters 1000 title.
Miomir Kecmanović 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 Masters 1000 title.
Rafael Nadal defeated the defending champion Novak Djokovic in the final, 7–5, 1–6, 6–3 to win the men's singles tennis title at the 2021 Italian Open. It was his record-extending 10th Italian Open title and record-equaling 36th Masters 1000 title overall. Nadal saved two match points in his third round match against Denis Shapovalov en route to the title. This was also the fourth time that Nadal had won a tournament on 10 or more occasions, making him the only tennis player with the feat.