| Doubles | |
|---|---|
| 2024 Santaizi ATP Challenger | |
| Champions |  Ray Ho  Nam Ji-sung |
| Runners-up |  Toshihide Matsui Kaito Uesugi |
| Score | 6–2, 6–2 |
Sriram Balaji and Jonathan Erlich were the defending champions [1] but chose not to defend their title.
Ray Ho and Nam Ji-sung won the title after defeating Toshihide Matsui and Kaito Uesugi 6–2, 6–2 in the final.
Calum Puttergill / 
Reese Stalder (quarterfinals)
Piotr Matuszewski / Matthew Romios (quarterfinals) Ray Ho / Nam Ji-sung (champions) Toshihide Matsui / Kaito Uesugi (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C Puttergill R Stalder | 6 | 6 | ||||||||||||||||||||||||
Alafia Ayeni R Statham | 1 | 3 | 1 | C Puttergill R Stalder | 65 | 7 | [7] | ||||||||||||||||||||
| Y Shimizu J Trotter | 6 | 6 | Y Shimizu J Trotter | 77 | 5 | [10] | |||||||||||||||||||||
| Y-s Chung T-l Wu | 4 | 4 | Y Shimizu J Trotter | 2 | 6 | [6] | |||||||||||||||||||||
| 3 | R Ho J-s Nam | 7 | 2 | [10] | 3 | R Ho J-s Nam | 6 | 3 | [10] | ||||||||||||||||||
 A Fery J Paris | 5 | 6 | [2] | 3 | R Ho J-s Nam | 6 | 6 | ||||||||||||||||||||
B Bayldon  C Sinclair | 6 | 3 | [6] |  R Bertola  R Ramanathan | 2 | 4 | |||||||||||||||||||||
| R Bertola R Ramanathan | 1 | 6 | [10] | 3 | R Ho J-s Nam | 6 | 6 | ||||||||||||||||||||
| B Ellis R Noguchi | 6 | 6 | 4 | T Matsui K Uesugi | 2 | 2 | |||||||||||||||||||||
 FC Alcantara  C Rungkat | 3 | 4 | B Ellis R Noguchi | 6 | 5 | [4] | |||||||||||||||||||||
| WC | C-p Hsieh T-h Yang | 64 | 4 | 4 | T Matsui K Uesugi | 3 | 7 | [10] | |||||||||||||||||||
| 4 | T Matsui K Uesugi | 77 | 6 | 4 | T Matsui K Uesugi | 77 | 3 | [13] | |||||||||||||||||||
| Y-h Hsu T-h Huang | 77 | 3 | [3] | J Delaney M Purcell | 64 | 6 | [11] | ||||||||||||||||||||
| J Delaney M Purcell | 63 | 6 | [10] | J Delaney M Purcell | 6 | 6 | |||||||||||||||||||||
| WC | K-y Lee Yin Bang-shuo | 3 | 5 | 2 | P Matuszewski MC Romios | 4 | 2 | ||||||||||||||||||||
| 2 | P Matuszewski MC Romios | 6 | 7 | ||||||||||||||||||||||||