2019 Toray Pan Pacific Open – Singles

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

Singles
2019 Toray Pan Pacific Open
Champion	Naomi Osaka
Runner-up	Anastasia Pavlyuchenkova
Score	6–2, 6–3
Draw	28
Seeds	8

Main article: 2019 Toray Pan Pacific Open

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

Seeds

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

1. Naomi Osaka (champion)
2. Kiki Bertens (second round)
3. Sloane Stephens (second round)
4. Angelique Kerber (semifinals)
5. Madison Keys (quarterfinals, retired)
6. Anastasija Sevastova (withdrew)
7. Donna Vekić (second round)
8. Petra Martić (withdrew)
9. Elise Mertens (semifinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	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

Top half

	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

Bottom half

	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

Qualifying

Seeds

1. Alizé Cornet (qualified)
2. Zarina Diyas (qualified)
3. Astra Sharma (first round, retired)
4. Whitney Osuigwe (qualifying competition, lucky loser)
5. Katarzyna Kawa (qualifying competition, lucky loser)
6. Liudmila Samsonova (qualifying competition)
7. Nicole Gibbs (qualified)
8. Francesca Di Lorenzo (first round)
9. Kristína Kučová (first round)
10. Varvara Flink (qualified)
11. Han Xinyun (qualified)
12. Kurumi Nara (qualifying competition)

Qualifiers

1. Alizé Cornet
2. Zarina Diyas
3. Han Xinyun
4. Nicole Gibbs
5. Varvara Flink
6. Viktoriya Tomova

Lucky losers

1. Whitney Osuigwe
2. Katarzyna Kawa

Draw

First qualifier

	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

Second qualifier

	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

Third qualifier

	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

Fourth qualifier

	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

Fifth qualifier

	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

Sixth qualifier

	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