| Nanchang – Doubles | |
|---|---|
| 2019 ATP Challenger China International – Nanchang | |
| Champions |  Sander Arends  Tristan-Samuel Weissborn |
| Runners-up |  Alex Bolt Akira Santillan |
| Final score | 6–2, 6–4 |
Gong Maoxin and Zhang Ze were the defending champions but chose not to defend their title. [1]
Sander Arends and Tristan-Samuel Weissborn won the title after defeating Alex Bolt and Akira Santillan 6–2, 6–4 in the final.
Sriram Balaji / 
James Cerretani (quarterfinals) Sander Arends / Tristan-Samuel Weissborn (champions) Max Purcell / Luke Saville (semifinals) David Pel / 
Hans Podlipnik Castillo (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Balaji J Cerretani | 6 | 6 | ||||||||||||||||||||||||
 R Te D Wu | 2 | 4 | 1 | S Balaji J Cerretani | 4 | 3 | |||||||||||||||||||||
| ITF | Y Bai F Sun | 4 | 2 | A Bolt A Santillan | 6 | 6 | |||||||||||||||||||||
| A Bolt A Santillan | 6 | 6 | A Bolt A Santillan | 6 | 4 | [10] | |||||||||||||||||||||
| 3 | M Purcell L Saville | 7 | 6 | 3 | M Purcell L Saville | 4 | 6 | [7] | |||||||||||||||||||
| PR |  N Barrientos  R Gonzales | 5 | 1 | 3 | M Purcell L Saville | 6 | 3 | [14] | |||||||||||||||||||
 A Martin  T Matsui | 6 | 6 | A Martin T Matsui | 3 | 6 | [12] | |||||||||||||||||||||
| Cui Jie Y He | 3 | 2 | A Bolt A Santillan | 2 | 4 | ||||||||||||||||||||||
| X Gao Zh Zhang | 65 | 4 | 2 | S Arends T-S Weissborn | 6 | 6 | |||||||||||||||||||||
 T Gabashvili  U Ignatik | 77 | 6 | T Gabashvili U Ignatik | 63 | 3 | ||||||||||||||||||||||
 N Milojević  G Oliveira | 4 | 4 | 4 | D Pel H Podlipnik Castillo | 77 | 6 | |||||||||||||||||||||
| 4 | D Pel H Podlipnik Castillo | 6 | 6 | 4 | D Pel H Podlipnik Castillo | 4 | 2 | ||||||||||||||||||||
| ITF | M Banes Jacob Grills | 6 | 6 | 2 | S Arends T-S Weissborn | 6 | 6 | ||||||||||||||||||||
 E López Pérez  L Margaroli | 3 | 2 | ITF | M Banes J Grills | 3 | 3 | |||||||||||||||||||||
| R Ramanathan V Vardhan | 4 | 5 | 2 | S Arends T-S Weissborn | 6 | 6 | |||||||||||||||||||||
| 2 | S Arends T-S Weissborn | 6 | 7 | ||||||||||||||||||||||||
Andrej Martin and Hans Podlipnik were the defending champions but chose to participate with different partners. Martin chose to participate with Tomasz Bednarek, while Podlipnik chose to partner with Lukáš Dlouhý. Martin and Podlipnik faced each other in the semifinals, with Podlipnik advancing to the final. Podlipnik failed to defend his title, losing to Sander Arends and Tristan-Samuel Weissborn 7–6(10–8), 6–7(4–7), [10–5] in the final.
Wesley Koolhof and Matwé Middelkoop were the defending champions but lost in the quarterfinals to Sander Arends and Adam Majchrowicz.
Wesley Koolhof and Matwé Middelkoop were the defending champions but chose not to defend their title.
Maximilian Neuchrist and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
Kevin Krawietz and Albano Olivetti were the defending champions but lost in the first round to Tomasz Bednarek and David Pel.
Mikhail Elgin and Alexander Kudryavtsev were the defending champions but chose not to defend their title.
Hans Podlipnik-Castillo and Andrei Vasilevski were the defending champions but chose not to defend their title.
Evgeny Donskoy and Mikhail Elgin were the defending champions but chose not to defend their title.
Andre Begemann and Frederik Nielsen were the defending champions but chose not to defend their title.
Guillermo Durán and Andrés Molteni were the defending champions but chose not to defend his title.
Romain Arneodo and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Sander Arends. Weissborn lost in the first round to Jürgen Melzer and Filip Polášek.
Sander Gillé and Joran Vliegen were the defending champions but chose not to defend their title.
Ken and Neal Skupski were the defending champions but chose not to defend their title.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but lost in the semifinals to Jonathan Eysseric and Antonio Šančić.
Matthew Ebden and Andrew Whittington were the defending champions but chose not to defend their title.
Aliaksandr Bury and Lloyd Harris were the defending champions but chose not to defend their title.
Luke Bambridge and Jonny O'Mara were the defending champions but only O'Mara chose to defend his title, partnering Ken Skupski. O'Mara lost in the semifinals to Hans Podlipnik Castillo and Tristan-Samuel Weissborn.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Antonio Šančić. Weissborn successfully defended his title after defeating Teymuraz Gabashvili and Lukáš Lacko 7–5, 6–7(5–7), [10–7] in the final.
Zdeněk Kolář and Adam Pavlásek were the defending champions but chose not to defend their title.