2023 Japan Women's Open – Singles

Ashlyn Krueger defeated Zhu Lin in the final, 6–3, 7–6^(8–6) to win the singles title at the 2023 Japan Women's Open. It was her first WTA Tour title.

Singles
2023 Japan Women's Open
Champion	Ashlyn Krueger
Runner-up	Zhu Lin
Score	6–3, 7–6(8–6)
Draw	32
Seeds	8

Main article: 2023 Japan Women's Open

Nao Hibino was the defending champion from when the tournament was last held in 2019, but lost in the first round to Rebecca Marino.

Seeds

1. Zhu Lin (final)
2. Tatjana Maria (first round)
3. Wang Xinyu (semifinals)
4. Linda Fruhvirtová (first round)
5. Nadia Podoroska (second round)
6. Yulia Putintseva (quarterfinals)
7. Nao Hibino (first round)
8. Kateryna Baindl (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

Finals

	Semifinals							Final
	1	Zhu Lin	7	78
	3	Wang Xinyu	5	66
								1	Zhu Lin	3	66
									Ashlyn Krueger	6	78
		Ashlyn Krueger	6	6
	WC	Mai Hontama	3	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	L Zhu	6	6
		Xiy Wang	4	4				1	L Zhu	6	4	6
	WC	M Uchijima	6	6				WC	M Uchijima	4	6	1
	Q	A Raina	4	2											1	L Zhu	6	6
	Q	E Mandlik	7	6											Q	E Mandlik	3	2
		D Parry	5	2				Q	E Mandlik	7	3	6
		R Marino	6	6					R Marino	5	6	1
	7	N Hibino	3	4																		1	L Zhu	7	78
	3	Xin Wang	77	6																		3	Xin Wang	5	66
		J Teichmann	63	3				3	Xin Wang	6	6
	Q	H Sakatsume	6	6				Q	H Sakatsume	4	2
	Q	A Eala	0	3											3	Xin Wang	77	61	6
	Q	V Savinykh	6	1	6										6	Y Putintseva	64	77	3
		A-L Friedsam	4	6	3			Q	V Savinykh	1	2
		D Shnaider	2	3				6	Y Putintseva	6	6
	6	Y Putintseva	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	K Baindl	2	3
		A Krueger	6	6					A Krueger	6	6
		V Golubic	4	2					J Ponchet	4	1
		J Ponchet	6	6												A Krueger	6	6
		J Niemeier	4	4												A Kalinskaya	3	1
		A Kalinskaya	6	6					A Kalinskaya	77	6
		H Dart	7	5	6				H Dart	65	2
	4	L Fruhvirtová	5	7	2																		A Krueger	6	6
	5	N Podoroska	6	3	7																	WC	M Hontama	3	3
		Y Yuan	4	6	5			5	N Podoroska	3	3
	WC	M Hontama	7	0	6			WC	M Hontama	6	6
		S-j Jang	5	6	2										WC	M Hontama	62	6	6
	Q	A Hartono	6	3	6										Q	A Hartono	77	4	1
	WC	M Doi	2	6	3			Q	A Hartono	6	6
		P Udvardy	2	6	77				P Udvardy	2	0
	2	T Maria	6	4	65

Qualifying

Seeds

1. Elizabeth Mandlik (qualified)
2. Valeria Savinykh (qualified)
3. Ankita Raina (qualified)
4. Despina Papamichail (qualifying competition)
5. Alexandra Eala (qualified)
6. Himeno Sakatsume (qualified)
7. Arianne Hartono (qualified)
8. You Xiaodi (first round, retired)
9. Eudice Chong (qualifying competition)
10. Haruka Kaji (qualifying competition)
11. Sakura Hosogi (first round)
12. Han Na-lae (first round)

Qualifiers

1. Elizabeth Mandlik
2. Valeria Savinykh
3. Ankita Raina
4. Arianne Hartono
5. Alexandra Eala
6. Himeno Sakatsume

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Elizabeth Mandlik	2	6	6
		Yang Ya-yi	6	3	2
								1	Elizabeth Mandlik	6	6
								10	Haruka Kaji	1	2
		Kyōka Okamura	4	6	2
	10	Haruka Kaji	6	4	6

Second qualifier

	First round							Qualifying competition
	2	Valeria Savinykh	78	6
	WC	Aoi Ito	66	1
								2	Valeria Savinykh	6	6
									Carol Zhao	3	2
		Carol Zhao	7	6
	12	Han Na-lae	5	2

Third qualifier

	First round							Qualifying competition
	3	Ankita Raina	6	7
	WC	Yuki Naito	3	5
								3	Ankita Raina	2
									Kateryna Volodko	1r
		Kateryna Volodko	6	6
	11	Sakura Hosogi	3	1

Fourth qualifier

	First round							Qualifying competition
	4	Despina Papamichail	6	64	6
		Naiktha Bains	4	77	0
								4	Despina Papamichail	1	5
								7	Arianne Hartono	6	7
		Sofya Lansere	4	6	2
	7	Arianne Hartono	6	3	6

Fifth qualifier

	First round							Qualifying competition
	5	Alexandra Eala	6	6
		Fernanda Contreras	3	4
								5	Alexandra Eala	4	6	7
									Park So-hyun	6	1	5
		Park So-hyun	6	5
	8	You Xiaodi	3	1r

Sixth qualifier

	First round							Qualifying competition
	6	Himeno Sakatsume	6	6
	WC	Natsumi Kawaguchi	3	3
								6	Himeno Sakatsume	6	5	6
								9	Eudice Chong	3	7	0
	WC	Momoko Kobori	4	68
	9	Eudice Chong	6	710

External links

• Main draw
• Qualifying draw