2021 Rafa Nadal Open – Singles

Emil Ruusuvuori was the defending champion but chose not to defend his title.

Singles
2021 Rafa Nadal Open
Champion	Lukáš Lacko
Runner-up	Yasutaka Uchiyama
Score	5–7, 7–6(10–8), 6–1

Main article: 2021 Rafa Nadal Open

Lukáš Lacko won the title after defeating Yasutaka Uchiyama 5–7, 7–6^(10–8), 6–1 in the final.

Seeds

1. Yasutaka Uchiyama (final)
2. Fernando Verdasco (quarterfinals)
3. Liam Broady (first round)
4. João Sousa (quarterfinals)
5. Sebastian Ofner (second round, retired)
6. Marcelo Tomás Barrios Vera (second round)
7. Kacper Żuk (first round)
8. Blaž Rola (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	1	Yasutaka Uchiyama	4	6	7
	Q	Michael Geerts	6	1	5
								1	Yasutaka Uchiyama	7	68	1
									Lukáš Lacko	5	710	6
		Lukáš Lacko	6	6
		Tobias Kamke	0	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Y Uchiyama	4	3
		S Diez	6	3r				1	Y Uchiyama	6	6
	Q	A González	77	61	4			LL	J Zieliński	1	2
	LL	J Zieliński	65	77	6										1	Y Uchiyama	4	6	77
		R Ramanathan	61	6	7											R Ramanathan	6	4	65
	WC	C Gómez-Herrera	77	4	5				R Ramanathan	7	0
	Alt	R Quiroz	77	3	2			5	S Ofner	5	0r
	5	S Ofner	65	6	6																	1	Y Uchiyama	4	6	7
	4	J Sousa	6	1	7																	Q	M Geerts	6	1	5
	Alt	H Moriya	4	6	5			4	J Sousa	6	6
	Alt	R Ortega Olmedo	7	7				Alt	R Ortega Olmedo	3	3
	Alt	N Mejía	5	5											4	J Sousa	6	3	4
	Q	M Geerts	4	6	6										Q	M Geerts	2	6	6
		T Ito	6	2	1			Q	M Geerts	4	6	6
	WC	N Álvarez Varona	4	63				6	MT Barrios Vera	6	2	1
	6	MT Barrios Vera	6	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	K Żuk	3	4
		D Kuzmanov	6	6					D Kuzmanov	2	69
	Q	J Härteis	2	3					L Lacko	6	711
		L Lacko	6	6												L Lacko	7	7
		B Tomic	3	1												F Ferreira Silva	5	5
		F Ferreira Silva	6	6					F Ferreira Silva	3	7	6
		M Viola	6	3	6				M Viola	6	5	0
	3	L Broady	4	6	4																		L Lacko	6	6
	8	B Rola	4	4																			T Kamke	0	3
		T Kamke	6	6					T Kamke	6	6
	Q	N Chappell	6	6				Q	N Chappell	2	4
	Alt	E Karlovskiy	3	1												T Kamke	6	6
	WC	D Rincón	3	6	1										2	F Verdasco	3	1
	Alt	S Kozlov	6	1	6			Alt	S Kozlov	6	66	2
	LL	N Moreno de Alboran	3	2				2	F Verdasco	1	78	6
	2	F Verdasco	6	6

External links

• Main draw
• Qualifying draw