| Men's singles | |
|---|---|
| 2018 Liuzhou International Challenger | |
| Champion |  Radu Albot |
| Runner-up |  Miomir Kecmanović |
| Final score | 6–2, 4–6, 6–3 |
This was the first edition of the men's tournament.
Radu Albot won the title after defeating Miomir Kecmanović 6–2, 4–6, 6–3 in the final.
Radu Albot (Champion)
Ramkumar Ramanathan (First round)
Thomas Fabbiano (Quarterfinals)
Yūichi Sugita (Second round)
Pedro Martínez (Second round) Miomir Kecmanović (Final) Prajnesh Gunneswaran (Semifinals) Tatsuma Ito (Second round)| Semifinals | Final | ||||||||||||
| 1 | Radu Albot | 6 | 6 | ||||||||||
| 7 | Prajnesh Gunneswaran | 3 | 3 | ||||||||||
| 1 | Radu Albot | 6 | 4 | 6 | |||||||||
| 6 | Miomir Kecmanović | 2 | 6 | 3 | |||||||||
| 6 | Miomir Kecmanović | 3 | 6 | 6 | |||||||||
 Blaž Kavčič | 6 | 3 | 4 | ||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Albot | 79 | 77 | ||||||||||||||||||||||||
| WC |  R Te | 67 | 61 | 1 | R Albot | 6 | 7 | ||||||||||||||||||||
 D-h Lee | 6 | 6 | D-h Lee | 2 | 5 | ||||||||||||||||||||||
 T-h Yang | 2 | 3 | 1 | R Albot | 6 | 3 | 6 | ||||||||||||||||||||
 A Nedovyesov | 62 | 63 | WC | D Wu | 0 | 6 | 3 | ||||||||||||||||||||
| WC | D Wu | 77 | 77 | WC | D Wu | 6 | 6 | ||||||||||||||||||||
| Q | S Nagal | 2 | 3 | 8 | T Ito | 3 | 4 | ||||||||||||||||||||
| 8 | T Ito | 6 | 6 | 1 | R Albot | 6 | 6 | ||||||||||||||||||||
| 3 | T Fabbiano | 66 | 6 | 6 | 7 | P Gunneswaran | 3 | 3 | |||||||||||||||||||
| F Gaio | 78 | 1 | 2 | 3 | T Fabbiano | 6 | 6 | ||||||||||||||||||||
| Ze Zhang | 6 | 6 | Ze Zhang | 4 | 1 | ||||||||||||||||||||||
| WC | F Sun | 4 | 3 | 3 | T Fabbiano | 77 | 1 | 3 | |||||||||||||||||||
| G Soeda | 6 | 3 | 4 | 7 | P Gunneswaran | 65 | 6 | 6 | |||||||||||||||||||
 M Safwat | 3 | 6 | 6 | M Safwat | 4 | 4 | |||||||||||||||||||||
 J Tatlot | 4 | 5 | 7 | P Gunneswaran | 6 | 6 | |||||||||||||||||||||
| 7 | P Gunneswaran | 6 | 7 | ||||||||||||||||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | M Kecmanović | 6 | 1 | ||||||||||||||||||||||||
| Q | Y-s Chung | 1 | 0r | 6 | M Kecmanović | 6 | 77 | ||||||||||||||||||||
 L Broady | 2 | 7 | 3 |  B Schnur | 4 | 65 | |||||||||||||||||||||
| B Schnur | 6 | 5 | 6 | 6 | M Kecmanović | 79 | 4 | 6 | |||||||||||||||||||
 G Oliveira | 6 | 66 | 4 | Z Li | 67 | 6 | 3 | ||||||||||||||||||||
| Z Li | 1 | 78 | 6 | Z Li | 6 | 6 | |||||||||||||||||||||
| Q | Renta Tokuda | 2 | 5 | 4 | Y Sugita | 4 | 4 | ||||||||||||||||||||
| 4 | Y Sugita | 6 | 7 | 6 | M Kecmanović | 3 | 6 | 6 | |||||||||||||||||||
| 5 | P Martínez | 7 | 6 | B Kavčič | 6 | 3 | 4 | ||||||||||||||||||||
| WC | Y Wu | 5 | 2 | 5 | P Martínez | 3 | 4 | ||||||||||||||||||||
 K Coppejans | 3 | 2 | B Kavčič | 6 | 6 | ||||||||||||||||||||||
| B Kavčič | 6 | 6 | B Kavčič | 77 | 2 | 6 | |||||||||||||||||||||
 M Valkusz | 2 | 6 | 6 | Q | A Davidovich Fokina | 63 | 6 | 1 | |||||||||||||||||||
| F Peliwo | 6 | 2 | 2 | M Valkusz | 2 | 1 | |||||||||||||||||||||
| Q | A Davidovich Fokina | 77 | 6 | Q | A Davidovich Fokina | 6 | 6 | ||||||||||||||||||||
| 2 | R Ramanathan | 63 | 3 | ||||||||||||||||||||||||
Carlos Berlocq was the defending champion, but lost to João Sousa in the semifinals.
Pablo Cuevas won his first ATP World Tour title, defeating Sousa in the final, 6–2, 6–1.
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.
Ivo Karlović was the defending champion, but lost to John-Patrick Smith in the first round.
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.
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.
Radu Albot was the defending champion but lost in the first round to Zhang Ze.
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.
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.