Singles
2020 Mercer Tennis Classic
Champion	Catherine Bellis
Runner-up	Marta Kostyuk
Score	6–4, 6–7(4–7), 0–0 ret.

Katerina Stewart was the defending champion,^[1] but lost in the first round to Ann Li.

Catherine Bellis won the title, defeating Marta Kostyuk in final after she retired at 6–4, 6–7^(4–7), 0–0.

Seeds

Draw

Finals

	Semifinals							Final
	6	Marta Kostyuk	6	6
	Q	Magdalena Fręch	3	2
								6	Marta Kostyuk	4	77	0r
								WC	Catherine Bellis	6	64	0
	WC	Catherine Bellis	6	1
	Q	Varvara Lepchenko	3	0r

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Doi	6	6
	WC	L Sun	2	0				1	M Doi	65	77	6
		O Govortsova	4	1				Q	V Cepede Royg	77	63	1
	Q	V Cepede Royg	6	6											1	M Doi	2	1
	Q	R Zarazúa	6	3											6	M Kostyuk	6	6
		UM Arconada	2	0r				Q	R Zarazúa	0	4
	LL	M Benoît	3	2				6	M Kostyuk	6	6
	6	M Kostyuk	6	6																		6	M Kostyuk	6	6
	9	A Sharma	3	4																		Q	M Fręch	3	2
		F Di Lorenzo	6	6					F Di Lorenzo	6	6
		W Osuigwe	3	6	0			Q	C Osorio	2	2
	Q	C Osorio	6	4	6											F Di Lorenzo	5	3
	Q	M Fręch	6	5											Q	M Fręch	7	6
		V Tomova	2	2r				Q	M Fręch	77	6
	WC	E Navarro	2	4				8	C McNally	65	3
	8	C McNally	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	G Minnen	6	3	1
	Q	G Talabă	1	6	6				G Talabă	1	3
	WC	C Bellis	6	7				WC	C Bellis	6	6
		L Arruabarrena	3	5											WC	C Bellis	6	6
		S Errani	6	6												S Errani	0	3
		K Kawa	3	0					S Errani	6	6
	Q	T Andrianjafitrimo	3	3				4	K Ahn	3	4
	4	K Ahn	6	6																		WC	C Bellis	6	1
	5	A Li	6	6																		Q	V Lepchenko	3	0r
	WC	K Stewart	1	4				5	A Li	4	3
		S Vickery	6	6					S Vickery	6	6
	JE	D Parry	3	1												S Vickery	77	4	4
		C Dolehide	63	3											Q	V Lepchenko	65	6	6
	Q	K Volynets	77	6				Q	K Volynets	0	1
	Q	V Lepchenko	65	6	78			Q	V Lepchenko	6	6
	2	N Stojanović	77	2	66

References

• Main Draw