2020 Shimadzu All Japan Indoor Tennis Championships – Doubles

Eri Hozumi and Moyuka Uchijima were the defending champions but chose to participate with different partners. Hozumi partnered Mana Ayukawa, but lost in the first round to Wu Fang-hsien and Zhang Ying.

Uchijima played alongside Erina Hayashi and successfully defended the title, defeating Hsieh Yu-chieh and Minori Yonehara in the final, 7–5, 5–7, [10–6].

Seeds
• # 🇯🇵 Haruka Kaji / 🇯🇵 Junri Namigata (semifinals)

• # 🇯🇵 Miyu Kato / 🇯🇵 Kyōka Okamura (quarterfinals)

• # Hsieh Yu-chieh / 🇯🇵 Minori Yonehara (final)

• # 🇯🇵 Mana Ayukawa / 🇯🇵 Eri Hozumi (first round)