# 2024 Japan Open Tennis Championships – Doubles

Julian Cash and Lloyd Glasspool defeated Ariel Behar and Robert Galloway in the final, 6–4, 4–6, [12–10] to win the doubles tennis title at the 2024 Japan Open Tennis Championships.
Rinky Hijikata and Max Purcell were the reigning champions, but Purcell chose not to participate this year. Hijikata partnered with Alexei Popyrin, but lost in the first round to Hugo Nys and Jan Zieliński.

## Seeds

* Nathaniel Lammons / Jackson Withrow (quarterfinals)
* Hugo Nys / Jan Zieliński (quarterfinals)
* Sadio Doumbia / Fabien Reboul (quarterfinals)
* Máximo González / Andrés Molteni (first round)

## 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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | N Lammons J Withrow | 6$^6$ | 6 | [10] | | | | | | | | | | | | |
| WC | K Nishikori R Sakamoto | 7$^8$ | 4 | [6] | 1 | N Lammons J Withrow | 7$^8$ | 4 | [7] | | | | | | | |
| | A Behar R Galloway | 6 | 3 | [10] | | A Behar R Galloway | 6$^6$ | 6 | [10] | | | | | | | |
| | A Pavlásek J-J Rojer | 4 | 6 | [5] | | | | | | A Behar R Galloway | w/o | | | | | |
| 3 | S Doumbia F Reboul | 6 | 3 | [10] | | | | | | J Draper T Macháč | | | | | | |
| | S Gillé J Vliegen | 3 | 6 | [3] | 3 | S Doumbia F Reboul | 7 | 2 | [8] | | | | | | | |
| Q | A Erler M Middelkoop | 6 | 6$^4$ | [8] | | J Draper T Macháč | 5 | 6 | [10] | | | | | | | |
| | J Draper T Macháč | 4 | 7$^7$ | [10] | | | | | | | | | A Behar R Galloway | 4 | 6 | [10] |
| | B Shelton J Thompson | 7$^7$ | 6 | | | | | | | | | | J Cash L Glasspool | 6 | 4 | [12] |
| WC | Y Nishioka K Uesugi | 6$^3$ | 2 | | | B Shelton J Thompson | | | | | | | | | | |
| | J Cash L Glasspool | 5 | 6 | [10] | | J Cash L Glasspool | w/o | | | | | | | | | |
| 4 | M González A Molteni | 7 | 3 | [5] | | | | | | J Cash L Glasspool | 6 | 6 | | | | |
| | L Darderi TM Etcheverry | 3 | 7$^7$ | [7] | | | | | | A Michelsen A Tabilo | 3 | 3 | | | | |
| | A Michelsen A Tabilo | 6 | 6$^5$ | [10] | | A Michelsen A Tabilo | 7 | 3 | [10] | | | | | | | |
| | R Hijikata A Popyrin | 4 | 7$^8$ | [11] | 2 | H Nys J Zieliński | 5 | 6 | [7] | | | | | | | |
| 2 | H Nys J Zieliński | 6 | 6$^6$ | [13] | | | | | | | | | | | | |

## Qualifying
### Seeds

* Nicolás Barrientos / Skander Mansouri (qualifying competition)
* Alexander Erler / Matwé Middelkoop (qualified)

### Qualifiers

* Alexander Erler / Matwé Middelkoop

### Qualifying draw

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Nicolás Barrientos Skander Mansouri | 6 | 6 | | | | |
| WC | Shintaro Mochizuki Takeru Yuzuki | 3 | 2 | | | | |
| WC | Shintaro Mochizuki Takeru Yuzuki | 3 | 2 | 1 | Nicolás Barrientos Skander Mansouri | 4 | 4 |
| | | | | 2 | Alexander Erler Matwé Middelkoop | 6 | 6 |
| | Evan King Reese Stalder | 2 | 4 | 2 | Alexander Erler Matwé Middelkoop | 6 | 6 |
| 2 | Alexander Erler Matwé Middelkoop | 6 | 6 | | | | |