Singles
2019 Toray Pan Pacific Open
Final
Champion	Naomi Osaka
Runner-up	Anastasia Pavlyuchenkova
Score	6–2, 6–3
Details
Draw	28
Seeds	8
Events
Singles Doubles
← 2018 · Toray Pan Pacific Open · 2022 →

Karolína Plíšková was the defending champion,^[1] but chose to participate in Korea Open, instead.

Naomi Osaka became the first Japanese player (and the third overall) in 24 years to win the tournament, defeating Anastasia Pavlyuchenkova in straight sets.

The top four seeds received a bye into the second round.

	Semifinals							Final
	1	Naomi Osaka	6	6
	9	Elise Mertens	4	1
								1	Naomi Osaka	6	6
									Anastasia Pavlyuchenkova	2	3
	4	Angelique Kerber	3	3
		Anastasia Pavlyuchenkova	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	N Osaka	7	6
	Q	A Cornet	6	3	2			Q	V Tomova	5	3
	Q	V Tomova	4	6	6										1	N Osaka	6	6
	WC	N Hibino	4	5												Y Putintseva	4	4
	Q	V Flink	6	7				Q	V Flink	1	1
		Y Putintseva	6	77					Y Putintseva	6	6
	LL	K Kawa	4	64																		1	N Osaka	6	6
																						9	E Mertens	4	1
								3	S Stephens	0	3
	Q	X Han	66	1					C Giorgi	6	6
		C Giorgi	78	6												C Giorgi	4	3
		G Muguruza	6	61	1										9	E Mertens	6	6
		S-w Hsieh	3	77	6				S-w Hsieh	3	6	2
	LL	W Osuigwe	3	1				9	E Mertens	6	1	6
	9	E Mertens	6	6

	First round							Second round							Quarterfinals							Semifinals
	5	M Keys	6	6
		D Kasatkina	3	4				5	M Keys	5	6	6
		M Puig	0	3				Q	Z Diyas	7	0	4
	Q	Z Diyas	6	6											5	M Keys	4	6	1r
		A Riske	4	3											4	A Kerber	6	4	2
	Q	N Gibbs	6	6				Q	N Gibbs	2	4
								4	A Kerber	6	6
																						4	A Kerber	3	3
	7	D Vekić	7	6																			A Pavlyuchenkova	6	6
		C Garcia	5	2				7	D Vekić	65	3
		K Mladenovic	1	2				WC	M Doi	77	6
	WC	M Doi	6	6											WC	M Doi	2	2
		D Yastremska	3	1												A Pavlyuchenkova	6	6
		A Pavlyuchenkova	6	6					A Pavlyuchenkova	6	7
								2	K Bertens	1	5

	First round							Qualifying competition
	1	Alizé Cornet	6	6
	WC	Moyuka Uchijima	0	4
								1	Alizé Cornet	63	77	6
								12	Kurumi Nara	77	62	2
		Momoko Kobori	3	2
	12	Kurumi Nara	6	6

	First round							Qualifying competition
	2	Zarina Diyas	6	6
		Miharu Imanishi	1	4
								2	Zarina Diyas	6	6
								WC	Kyōka Okamura	1	2
	WC	Kyōka Okamura	6	6
	9	Kristína Kučová	2	1

	First round							Qualifying competition
	3	Astra Sharma	6	1r
		Yuki Naito	1	4
									Yuki Naito	3	6	1
								11	Han Xinyun	6	4	6
		Risa Ozaki	2	3
	11	Han Xinyun	6	6

	First round							Qualifying competition
	4	Whitney Osuigwe	6	5	6
		Leylah Annie Fernandez	4	7	2
								4	Whitney Osuigwe	4	3
								7	Nicole Gibbs	6	6
		Ayano Shimizu	2	3
	7	Nicole Gibbs	6	6

	First round							Qualifying competition
	5	Katarzyna Kawa	6	2	6
		Mayo Hibi	4	6	4
								5	Katarzyna Kawa	1	63
								10	Varvara Flink	6	77
	WC	Mai Hontama	3	712	3
	10	Varvara Flink	6	610	6

	First round							Qualifying competition
	6	Liudmila Samsonova	2	6	7
	WC	Akiko Omae	6	4	5
								6	Liudmila Samsonova	6	0	4
									Viktoriya Tomova	3	6	6
		Viktoriya Tomova	3	6	6
	8	Francesca Di Lorenzo	6	3	1

• Main Draw
• Qualifying Draw