Doubles
2020 Shimadzu All Japan Indoor Tennis Championships
Final
Champions	Erina Hayashi Moyuka Uchijima
Runners-up	Hsieh Yu-chieh Minori Yonehara
Score	7–5, 5–7, [10–6]
Events
Singles Doubles
← 2019 · Shimadzu All Japan Indoor Tennis Championships · 2022 →

Eri Hozumi and Moyuka Uchijima were the defending champions ^[1] 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].

	First round							Quarterfinals							Semifinals							Final
	1	H Kaji J Namigata	6	6
	WC	N Morimoto K Osafune	2	1				1	H Kaji J Namigata	6	77
		M Hontama H Kuwata	3	2					A Omae P Plipuech	4	65
		A Omae P Plipuech	6	6											1	H Kaji J Namigata	6	3	[8]
	3	Y-c Hsieh M Yonehara	7	6											3	Y-c Hsieh M Yonehara	1	6	[10]
		K-y Ng Ar Rodionova	5	2				3	Y-c Hsieh M Yonehara	4	6	[11]
		A Okuno F Xun	66	3					M Kobori A Shimizu	6	4	[9]
		M Kobori A Shimizu	78	6																		3	Y-c Hsieh M Yonehara	5	7	[6]
		I de Vroome Xin Wang	6	6																			E Hayashi M Uchijima	7	5	[10]
	WC	M Imanishi R Kajitani	2	2					I de Vroome Xin Wang
		F-h Wu Yi Zhang	6	6					F-h Wu Yi Zhang	w/o
	4	M Ayukawa E Hozumi	4	2												F-h Wu Yi Zhang	64	7	[6]
		E Hayashi M Uchijima	6	6												E Hayashi M Uchijima	77	5	[10]
		H Arakawa J Kang	0	3					E Hayashi M Uchijima	4	6	[10]
		E Bektas T Moore	77	4	[2]			2	M Kato K Okamura	6	0	[6]
	2	M Kato K Okamura	62	6	[10]

• Main Draw