2018 Japan Women's Open – Doubles

Shuko Aoyama and Yang Zhaoxuan were the defending champions, but Yang chose not to participate. Aoyama played alongside Duan Yingying, but lost in the semifinals to Eri Hozumi and Zhang Shuai.

Doubles
2018 Japan Women's Open
Champions	Eri Hozumi Zhang Shuai
Runners-up	Miyu Kato Makoto Ninomiya
Score	6–2, 6–4

Main article: 2018 Japan Women's Open

Hozumi and Zhang went on to win the title, defeating Miyu Kato and Makoto Ninomiya in the final, 6–2, 6–4.

Seeds

1. Miyu Kato / Makoto Ninomiya (final)
2. Eri Hozumi / Zhang Shuai (champions)
3. Shuko Aoyama / Duan Yingying (semifinals)
4. Viktorija Golubic / Johanna Larsson (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							Quarterfinals							Semifinals							Final
	1	M Kato M Ninomiya	64	6	[10]
		E Perez Ar Rodionova	77	3	[6]			1	M Kato M Ninomiya	5	6	[10]
		Z Diyas S Zheng	6	6					Z Diyas S Zheng	7	2	[5]
		N Hibino O Kalashnikova	3	4											1	M Kato M Ninomiya	77	6
	4	V Golubic J Larsson	6	4	[6]											V Savinykh S Sorribes Tormo	61	4
		V Savinykh S Sorribes Tormo	3	6	[10]				V Savinykh S Sorribes Tormo	6	6
		M Kobori A Shimizu	6	5	[10]			WC	M Imanishi A Rosolska	3	3
	WC	M Imanishi A Rosolska	3	7	[12]																	1	M Kato M Ninomiya	2	4
		P Hercog T Zidanšek	3	2																		2	E Hozumi S Zhang	6	6
		H Dart P Hon	6	6					H Dart P Hon
	WC	H Kuwata C Muramatsu	2	4				3	S Aoyama Y Duan	w/o
	3	S Aoyama Y Duan	6	6											3	S Aoyama Y Duan	1	4
		D Kovinić S Soler Espinosa	3	2											2	E Hozumi S Zhang	6	6
		M Adamczak J Moore	6	6					M Adamczak J Moore	4	2
		X Han L Kumkhum	3	2				2	E Hozumi S Zhang	6	6
	2	E Hozumi S Zhang	6	6

References

• Main Draw