Singles
2001 Energis Open
Final
Champion	Àlex Corretja
Runner-up	Younes El Aynaoui
Score	6–3, 5–7, 7–6(7–0), 3–6, 6–4
Events
Singles Doubles
← 2000 · Energis Open · 2002 →

The 2001 Energis Open tennis tournament was played in Amsterdam, Netherlands in July 2001.

Magnus Gustafsson was the defending singles champion but lost in the semifinals to Younes El Aynaoui.

Àlex Corretja won in the final 6–3, 5–7, 7–6^(7–0), 3–6, 6–4 against El Aynaoui.

	Semifinals							Final
		Younes El Aynaoui	6	7
	6	M Gustafsson	4	5
									Younes El Aynaoui	3	7	60
								2	Àlex Corretja	6	5	77
	3	S Schalken	64	1
	2	Àlex Corretja	77	6

	First Round							Second Round							Quarterfinals							Semifinals
	1	S Grosjean	4	4
	Q	J I Chela	6	6				Q	J I Chela	6	6
		N Davydenko	6	6					N Davydenko	2	4
		D Norman	3	3											Q	J I Chela	64	6	5
		Y El Aynaoui	6	77												Y El Aynaoui	77	4	7
	Q	D van Scheppingen	1	64					Y El Aynaoui	6	6
		M Zabaleta	66	6	1			5	M Youzhny	2	3
	5	M Youzhny	78	4	6																		Y El Aynaoui	6	7
	4	Á Calatrava	6	6																		6	M Gustafsson	4	5
		A Popp	1	2				4	Á Calatrava	4	6	6
		E Kempes	4	77	6				E Kempes	6	3	3
		R Sluiter	6	64	3										4	Á Calatrava	7	4	4
		P Wessels	3	4											6	M Gustafsson	5	6	6
	Q	J A Marín	6	6				Q	J A Marín	64	3
	WC	J van Lottum	1	6	2			6	M Gustafsson	77	6
	6	M Gustafsson	6	4	6

	First Round							Second Round							Quarterfinals							Semifinals
	WC/7	O Rochus	3	77	7
		A Simoni	6	65	5			WC/7	O Rochus	6	6
	SE	M Lee	6	6				SE	M Lee	4	0
		K Alami	4	0											WC/7	O Rochus	2	6	1
		J Siemerink	65	710	6										3	S Schalken	6	2	6
		A Sá	77	68	4				J Siemerink	6	4	4
		C Rochus	3	4				3	S Schalken	3	6	6
	3	S Schalken	6	6																		3	S Schalken	64	1
	8	M Kratochvil	4	3																		2	À Corretja	77	6
		A Stoliarov	6	6					A Stoliarov	77	6
		J Knippschild	77	6					J Knippschild	62	1
		P Srichaphan	64	4												A Stoliarov	3	5
	Q	O Mutis	6	2	6										2	À Corretja	6	7
	WC	M Verkerk	1	6	3			Q	O Mutis	2	6	4
		F Meligeni	5	4				2	À Corretja	6	4	6
	2	À Corretja	7	6

• 2001 Energis Open Draw