Singles
2021 Grand Est Open 88
Champion	Anhelina Kalinina
Runner-up	Dalma Gálfi
Score	6–2, 6–2

Katarina Zavatska was the defending champion^[1] but chose not to participate.

Anhelina Kalinina won the title, defeating Dalma Gálfi in the final, 6–2, 6–2.

Seeds

Draw

Finals

	Semifinals							Final
		Amandine Hesse	63	4
	8	Dalma Gálfi	77	6
								8	Dalma Gálfi	2	2
								4	Anhelina Kalinina	6	6
	4	Anhelina Kalinina	6	6
	6	Zheng Qinwen	4	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Trevisan	6	3	2
	Q	O Selekhmeteva	1	6	6			Q	O Selekhmeteva	65	1
		A Hesse	6	6					A Hesse	77	6
	Q	É Dartron	2	1												A Hesse	6	6
	Q	K Bartone	6	3											Q	K Bartone	2	1
		I Fetecău	3	0r				Q	K Bartone	6	2
	Q	V Strakhova	0	77	5			7	J Fett	1	1r
	7	J Fett	6	64	7																		A Hesse	63	4
	3	S Vögele	2	4																		8	D Gálfi	77	6
	Q	L Jeanjean	6	6				Q	L Jeanjean	6	6
		J Loeb	4	1					A Danilina	2	4
		A Danilina	6	6											Q	L Jeanjean	1	0
		U Eikeri	4	6	4										8	D Gálfi	6	6
		E Kostova	6	3	6				E Kostova	62	1
	WC	M Partaud	1	4				8	D Gálfi	77	6
	8	D Gálfi	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	RL Jani	2	77	4
	WC	E Jacquemot	6	64	6			WC	E Jacquemot	6	5	6
	Q	W Falkowska	0	3				PR	Y Yuan	2	7	1
	PR	Y Yuan	6	6											WC	E Jacquemot	79	0	1
		J Pieri	4	1											4	A Kalinina	67	6	6
	WC	L Boisson	6	6				WC	L Boisson	2	1
		D Seguel	77	2	4			4	A Kalinina	6	6
	4	A Kalinina	64	6	6																	4	A Kalinina	6	6
	6	Q Zheng	7	77																		6	Q Zheng	4	4
		M Yerolymos	5	62				6	Q Zheng	77	6
		A Hartono	3	6	1				YL Miyazaki	63	2
		YL Miyazaki	6	2	6										6	Q Zheng	6	6
	Q	L Papadakis	4	2											2	O Dodin	2	1
	Q	M Rouvroy	6	6				Q	M Rouvroy	4	2
	WC	L Wargnier	5	3				2	O Dodin	6	6
	2	O Dodin	7	6

References

• Main Draw