2019 Santaizi ATP Challenger – Doubles
# 2019 Santaizi ATP Challenger – Doubles

Matthew Ebden and Andrew Whittington were the defending champions but chose not to defend their title.

Sriram Balaji and Jonathan Erlich won the title after defeating Sander Arends and Tristan-Samuel Weissborn 6–3, 6–2 in the final.

## Seeds

* Hsieh Cheng-peng / Christopher Rungkat (semifinals)
* Max Purcell / Luke Saville (first round)
* Sriram Balaji / Jonathan Erlich (champions)
* Sander Arends / Tristan-Samuel Weissborn (final)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | C-p Hsieh C Rungkat | $6^4$ | 6 | [11] | | | | | | | | | | | | | | |
| | R Gonzales So Ratiwatana | $7^7$ | 1 | [9] | 1 | C-p Hsieh C Rungkat | 6 | $7^{10}$ | | | | | | | | | | |
| WC | Y-h Hsu T-l Wu | 7 | $6^5$ | [8] | WC | J Jung J Wang | 4 | $6^8$ | | | | | | | | | | |
| WC | J Jung J Wang | 5 | $7^7$ | [10] | | | | | | 1 | C-p Hsieh C Rungkat | 2 | 3 | | | | | |
| 3 | S Balaji J Erlich | 6 | 3 | [11] | | | | | | 3 | S Balaji J Erlich | 6 | 6 | | | | | |
| | L Margaroli V Vardhan | 4 | 6 | [9] | 3 | S Balaji J Erlich | 6 | 6 | | | | | | | | | | |
| | S-w Kwon T-h Yang | $6^5$ | 3 | | | S Myneni R Ramanathan | 4 | 3 | | | | | | | | | | |
| | S Myneni R Ramanathan | $7^7$ | 6 | | | | | | | | | | | | 3 | S Balaji J Erlich | 6 | 6 |
| | M Janvier S Robert | 6 | $6^4$ | [10] | | | | | | | | | | | 4 | S Arends T-S Weissborn | 3 | 2 |
| | D Pel H Podlipnik Castillo | 1 | $7^7$ | [6] | | M Janvier S Robert | $6^4$ | 6 | [8] | | | | | | | | | |
| | D Novak S Stakhovsky | 6 | 4 | [4] | 4 | S Arends T-S Weissborn | $7^7$ | 4 | [10] | | | | | | | | | |
| 4 | S Arends T-S Weissborn | 3 | 6 | [10] | | | | | | 4 | S Arends T-S Weissborn | 2 | 6 | [11] | | | | |
| WC | T Chen R Ho | 3 | $7^7$ | [3] | | | | | | | G Oliveira Y Uchiyama | 6 | 3 | [9] | | | | |
| | G Oliveira Y Uchiyama | 6 | $6^3$ | [10] | | G Oliveira Y Uchiyama | 6 | 6 | | | | | | | | | | |
| | T Matsui H Moriya | 6 | 3 | [10] | | T Matsui H Moriya | 4 | 4 | | | | | | | | | | |
| 2 | M Purcell L Saville | 4 | 6 | [7] | | | | | | | | | | | | | | |
