2019 Oracle Challenger Series – Newport Beach – Women's singles

Danielle Collins was the defending champion, but chose not to participate as she was still competing at the Australian Open.

Newport Beach – Women's singles
2019 Oracle Challenger Series – Newport Beach
Champion	Bianca Andreescu
Runner-up	Jessica Pegula
Score	0–6, 6–4, 6–2

Main article: 2019 Oracle Challenger Series – Newport Beach

Bianca Andreescu won her first WTA 125K series title, defeating Jessica Pegula in the final, 0–6, 6–4, 6–2.^[1]

Seeds

All seeds received a bye into the second round.

1. Rebecca Peterson (quarterfinals)
2. Tatjana Maria (semifinals)
3. Eugenie Bouchard (quarterfinals)
4. Madison Brengle (second round)
5. Taylor Townsend (quarterfinals)
6. Bianca Andreescu (champion)
7. Jessica Pegula (final)
8. Sofya Zhuk (second round)
9. Marie Bouzková (third round)
10. Sachia Vickery (second round, retired)
11. Yanina Wickmayer (second round)
12. Nicole Gibbs (quarterfinals)
13. Misaki Doi (second round)
14. Claire Liu (third round)
15. Varvara Lepchenko (second round)
16. Jil Teichmann (third round)

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

	Quarterfinals							Semifinals							Final
	1	Rebecca Peterson	3	3
	7	Jessica Pegula	6	6
								7	Jessica Pegula	6	6
									Lauren Davis	3	4
		Lauren Davis	6	3	78
	5	Taylor Townsend	3	6	66
															7	Jessica Pegula	6	4	2
															6	Bianca Andreescu	0	6	6
	6	Bianca Andreescu	6	6
	3	Eugenie Bouchard	2	0
								6	Bianca Andreescu	5	7	77
								2	Tatjana Maria	7	5	63
	12	Nicole Gibbs	1	3
	2	Tatjana Maria	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	R Peterson	6	6
	K Ahn		6	6					K Ahn	4	4
	U Radwańska		4	2											1	R Peterson	77	77
	Alt	A Danilina	4	4											14	C Liu	60	62
		M Hibi	6	6					M Hibi	2	1
								14	C Liu	6	6
																						1	R Peterson	3	3
																						7	J Pegula	6	6
								11	Y Wickmayer	2	2
	G Brodsky		7	2	1				A Kiick	6	6
	A Kiick		5	6	6											A Kiick	5	3
	F Di Lorenzo		6	6											7	J Pegula	7	6
	Jia Lu		3	4					F Di Lorenzo	1	2
								7	J Pegula	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	M Brengle	6	4	2
	R Marino		4	4					R Zarazúa	2	6	6
	R Zarazúa		6	6											R Zarazúa		2	65
	S Karatantcheva		2	5											L Davis		6	77
	L Davis		6	7					L Davis	6	6
								15	V Lepchenko	1	4
																							L Davis	6	3	78
																						5	T Townsend	3	6	66
								10	S Vickery	4	2r
	H Tan		6	6					H Tan	6	4
	K Gerlach		4	2												H Tan	3	1
		L Rüffer	6	5	5										5	T Townsend	6	6
	WC	H Chang	2	7	7			WC	H Chang	3	4
								5	T Townsend	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	B Andreescu	6	79
		M Osaka	0	0				Q	K Volynets	2	67
	Q	K Volynets	6	6											6	B Andreescu	6	6
	J Loeb		3	3											9	M Bouzková	1	2
	O Rogowska		6	6					O Rogowska	3	77	66
								9	M Bouzková	6	65	78
																						6	B Andreescu	6	6
																						3	E Bouchard	2	0
								16	J Teichmann	6	77
		J Jakšić	6	5	6				J Jakšić	3	62
	WC	E Halbauer	4	7	4										16	J Teichmann	2	2
	D Lao		0	2											3	E Bouchard	6	6
	K Day		6	6					K Day	6	3	2
								3	E Bouchard	2	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								8	S Zhuk	2	3
		K Sebov	6	6					K Sebov	6	6
	WC	H Giavara	2	4												K Sebov	1	2
	Q	G Olmos	6	6											12	N Gibbs	6	6
		V Savinykh	1	1				Q	G Olmos	62	1
								12	N Gibbs	77	6
																						12	N Gibbs	1	3
																						2	T Maria	6	6
								13	M Doi	4	7	3
	C McHale		6	6					C McHale	6	5	6
	R Anderson		2	0												C McHale	2	3
	WC	M Manasse	2	2											2	T Maria	6	6
		V Cepede Royg	6	6					V Cepede Royg	60	4
								2	T Maria	77	6

Qualifying

Seeds

1. Giuliana Olmos (qualified)
2. Alexa Guarachi (qualifying competition)

Qualifiers

1. Giuliana Olmos
2. Katie Volynets

Qualifying draw

First qualifier

	Qualifying competition
	1	Giuliana Olmos	7	2	6
	WC	Carson Branstine	5	6	3

Second qualifier

	Qualifying competition
	2	Alexa Guarachi	6	4	3
	WC	Katie Volynets	4	6	6