2019 Rakuten Japan Open Tennis Championships – Doubles
and Jan-Lennard Struff were the defending champions, but chose not to participate together. McLachlan teamed up with Luke Bambridge, but lost in the first round to Divij Sharan and Artem Sitak. Struff played alongside Lucas Pouille, but lost in the semifinals to Nikola Mektić and Franko Škugor.
Nicolas Mahut and Édouard Roger-Vasselin won the title, defeating Mektić and Škugor in the final, 7–6, 6–4.Seeds
Draw
Draw
Seeds
Qualifiers
- Divij Sharan / Artem Sitak
Qualifying draw