Singles
2018 Berkeley Tennis Club Challenge
Champion	Sofia Kenin
Runner-up	Nicole Gibbs
Score	6–0, 6–4

This was the first edition of the tournament.

Sofia Kenin won the title after defeating Nicole Gibbs 6–0, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Sofia Kenin	78	6
	3	Nao Hibino	66	2
								1	Sofia Kenin	6	6
								2	Nicole Gibbs	0	4
		Ashley Kratzer	4	2
	2	Nicole Gibbs	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Kenin	6	6
	Q	H Arakawa	0	3				1	S Kenin	6	77
	WC	A Lahey	7	5	1				E Bektas	3	63
		E Bektas	5	7	6										1	S Kenin	6	6
		M Arcangioli	6	77											8	M Hibi	1	4
		E Perez	1	64					M Arcangioli	63	1
	Q	C Ma	0	3				8	M Hibi	77	6
	8	M Hibi	6	6																		1	S Kenin	78	6
	3	N Hibino	6	6																		3	N Hibino	66	2
		M Doi	4	4				3	N Hibino	6	6
		Q Gleason	5	3				WC	G Brodsky	4	4
	WC	G Brodsky	7	6											3	N Hibino	77	6
		A Bai	1	6	7										7	F Di Lorenzo	63	1
		A Tere-Apisah	6	3	5				A Bai	4	3
		UM Arconada	3	5				7	F Di Lorenzo	6	6
	7	F Di Lorenzo	6	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	G Min	4	4
		A Kratzer	6	6					A Kratzer	5	6	79
		T Moore	4	2					D Lao	7	4	67
		D Lao	6	6												A Kratzer	6	2	6
	Q	L Guillermo	4	2											4	K Ahn	4	6	1
	WC	M Manasse	6	6				WC	M Manasse	1	6	1
		E Arango	4	1				4	K Ahn	6	4	6
	4	K Ahn	6	6																			A Kratzer	4	2
	5	J Loeb	7	3	6																	2	N Gibbs	6	6
		A Muhammad	5	6	2			5	J Loeb	6	6
		C Simmonds	6	6					C Simmonds	4	1
	Q	P Montez	1	3											5	J Loeb	3	2
		K Birrell	2	2											2	N Gibbs	6	6
		M Sanchez	6	6					M Sanchez	1	1
		J Jakšić	2	4				2	N Gibbs	6	6
	2	N Gibbs	6	6

References

• Main Draw