| Singles | |
|---|---|
| 2018 Ningbo Challenger | |
| Champion |  Thomas Fabbiano |
| Runner-up |  Prajnesh Gunneswaran |
| Score | 7–6(7–4), 4–6, 6–3 |
Mikhail Youzhny was the defending champion but retired from professional tennis earlier in the year.
Thomas Fabbiano won the title after defeating Prajnesh Gunneswaran 7–6(7–4), 4–6, 6–3 in the final. [1]
Hubert Hurkacz (second round)
Radu Albot (semifinals) Thomas Fabbiano (champion) Ramkumar Ramanathan (first round)
Miomir Kecmanović (semifinals)
Enrique López Pérez (first round) Prajnesh Gunneswaran (final)
Tatsuma Ito (quarterfinals)| Semifinals | Final | ||||||||||||
| 5 | Miomir Kecmanović | 2 | 2 | ||||||||||
| 7 | Prajnesh Gunneswaran | 6 | 6 | ||||||||||
| 7 | Prajnesh Gunneswaran | 64 | 6 | 3 | |||||||||
| 3 | Thomas Fabbiano | 77 | 4 | 6 | |||||||||
| 3 | Thomas Fabbiano | 6 | 6 | ||||||||||
| 2 | Radu Albot | 1 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | H Hurkacz | 6 | 77 | ||||||||||||||||||||||||
| WC |  Xia Zihao | 3 | 63 | 1 | H Hurkacz | 64 | 4 | ||||||||||||||||||||
| Q |  V Durasovic | 6 | 7 | Q | V Durasovic | 77 | 6 | ||||||||||||||||||||
| WC | Y Wu | 4 | 5 | Q | V Durasovic | 2 | 4 | ||||||||||||||||||||
 T-h Yang | 3 | 5 | 5 | M Kecmanović | 6 | 6 | |||||||||||||||||||||
| A Davidovich Fokina | 6 | 7 | A Davidovich Fokina | 6 | 3 | 4 | |||||||||||||||||||||
| WC | Y He | 1 | 4 | 5 | M Kecmanović | 4 | 6 | 6 | |||||||||||||||||||
| 5 | M Kecmanović | 6 | 6 | 5 | M Kecmanović | 2 | 2 | ||||||||||||||||||||
| 4 | R Ramanathan | 6 | 67 | 62 | 7 | P Gunneswaran | 6 | 6 | |||||||||||||||||||
 Y-s Chung | 1 | 79 | 77 | Y-s Chung | 2 | 77 | 6 | ||||||||||||||||||||
 L Broady | 2 | 5 | Yo Watanuki | 6 | 65 | 3 | |||||||||||||||||||||
| Yo Watanuki | 6 | 7 | Y-s Chung | 2 | 1 | ||||||||||||||||||||||
| Z Li | 4 | 77 | 6 | 7 | P Gunneswaran | 6 | 6 | ||||||||||||||||||||
 G Oliveira | 6 | 65 | 3 | Z Li | 3 | 6 | 60 | ||||||||||||||||||||
 M Safwat | 67 | 2 | 7 | P Gunneswaran | 6 | 2 | 77 | ||||||||||||||||||||
| 7 | P Gunneswaran | 79 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | E López Pérez | 69 | 6 | 67 | |||||||||||||||||||||||
| G Soeda | 711 | 3 | 79 | G Soeda | 4 | 67 | |||||||||||||||||||||
| F Gaio | 6 | 2 | 6 | F Gaio | 6 | 79 | |||||||||||||||||||||
 K Coppejans | 3 | 6 | 4 | F Gaio | 6 | 4 | 4 | ||||||||||||||||||||
| H Moriya | 6 | 6 | 3 | T Fabbiano | 1 | 6 | 6 | ||||||||||||||||||||
| D Wu | 4 | 4 | H Moriya | 4 | 4 | ||||||||||||||||||||||
| S Nagal | 6 | 4 | 2 | 3 | T Fabbiano | 6 | 6 | ||||||||||||||||||||
| 3 | T Fabbiano | 4 | 6 | 6 | 3 | T Fabbiano | 6 | 6 | |||||||||||||||||||
| 8 | T Ito | 77 | 6 | 2 | R Albot | 1 | 3 | ||||||||||||||||||||
| Q | Y Takahashi | 63 | 3 | 8 | T Ito | 6 | 6 | ||||||||||||||||||||
| Ze Zhang | 1 | 2 | WC | R Te | 4 | 4 | |||||||||||||||||||||
| WC | R Te | 6 | 6 | 8 | T Ito | 5 | 4 | ||||||||||||||||||||
| Renta Tokuda | 6 | 6 | 2 | R Albot | 7 | 6 | |||||||||||||||||||||
| Q | S Myneni | 3 | 2 | R Tokuda | 4 | 63 | |||||||||||||||||||||
| Q | F Sun | 4 | 3 | 2 | R Albot | 6 | 77 | ||||||||||||||||||||
| 2 | R Albot | 6 | 6 | ||||||||||||||||||||||||
Lucas Pouille was the defending champion, but lost in the semifinals to Milos Raonic.
Sam Querrey was the defending champion, but lost in the second round to Egor Gerasimov.
Alexander Bublik was the defending champion but chose not to defend his title.
Denis Istomin was the defending champion, but chose not to participate this year.
This was the first edition of the men's tournament.
Radu Albot was the defending champion but lost in the first round to Zhang Ze.
Yuki Bhambri 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 tennis title at the 2019 Indian Wells Masters. It was his maiden ATP Tour Masters 1000 title, and he became the first Austrian to win a Masters title since Thomas Muster won the 1997 Miami Open.
Prajnesh Gunneswaran was the defending champion but lost in the final to Jay Clarke.
Alexander Zverev was the two-time defending champion, but lost to Cristian Garín in the quarterfinals.
Thomas Fabbiano was the defending champion but chose not to defend his title.
Elias Ymer was the defending champion but chose not to defend his title.
Prajnesh Gunneswaran was the defending champion but lost in the third round to Benjamin Bonzi.
Andreas Seppi was the defending champion but chose not to defend his title.
This was the second edition of the tournament. There was no defending champion as the tournament was canceled at the quarterfinals stage due to the COVID-19 pandemic.
There was no defending champion as the last edition of the tournament was canceled due to the COVID-19 pandemic.
This was the second of two editions of the tournament in the 2021 tennis season. Mackenzie McDonald was the defending champion but lost in the second round to Tomáš Macháč.
Aslan Karatsev won his first ATP Tour singles title, defeating Lloyd Harris in the final, 6–3, 6–2 to win the men's singles tennis title at the 2021 Dubai Tennis Championships. Karatsev became the second wildcard in the tournament's history to win the men's singles title. Harris was the first qualifier to reach the final of the Dubai Tennis Championships.
Emilio Gómez was the defending champion but chose not to defend his title.
This was the first edition of the tournament.