2003 Heineken Open – Singles

Greg Rusedski was the defending champion of the singles event of the Heineken Open tennis tournament, held in Auckland, New Zealand, but did not compete that year.

Singles
2003 Heineken Open
Champion	Gustavo Kuerten
Runner-up	Dominik Hrbatý
Score	6–3, 7–5
Draw	32 (4 Q / 3 WC )
Seeds	8

Fourth-seeded Gustavo Kuerten won in the final 6–3, 7–5 against unseeded Dominik Hrbatý.^[1]

Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

1. Jiří Novák (quarterfinals)
2. David Nalbandian (first round)
3. Fernando González (second round)
4. Gustavo Kuerten (champion)
5. José Acasuso (first round)
6. Jan-Michael Gambill (second round)
7. Guillermo Coria (quarterfinals)
8. Davide Sanguinetti (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

	First round							Second round							Quarterfinals							Semifinals							Final
	1	J Novák	6	6
	Q	R Kendrick	2	3				1	J Novák	1	78	6
		A Calleri	65	5				Q	R Ginepri	6	66	3
	Q	R Ginepri	77	7											1	J Novák	77	2	63
		A Sá	79	5	4											F Mantilla	65	6	77
		K Carlsen	67	7	6				K Carlsen	4	4
		F Mantilla	6	7					F Mantilla	6	6
	5	J Acasuso	3	5																			F Mantilla	2	2
	3	F González	3	77	6																		D Hrbatý	6	6
		F López	6	65	2			3	F González	4	3
		A Martín	3	2					D Ferrer	6	6
		D Ferrer	6	6												D Ferrer	5	3
		D Hrbatý	6	6												D Hrbatý	7	6
	WC	S Rea	4	2					D Hrbatý	6	66	77
		M Kratochvil	1	3				6	J-M Gambill	3	78	64
	6	J-M Gambill	6	6																										Dominik Hrbatý	3	5
	7	G Coria	2	6	6																								4	Gustavo Kuerten	6	7
		D Sánchez	6	2	4			7	G Coria	6	6
	WC	L Horna	6	65	2				F Vicente	2	2
		F Vicente	3	77	6										7	G Coria	5	6	2
	Q	M Russell	77	6											4	G Kuerten	7	4	6
		R Štěpánek	64	4				Q	M Russell	6	4	2
	Q	M Verkerk	65	4				4	G Kuerten	4	6	6
	4	G Kuerten	77	6																		4	G Kuerten	6	6
	8	D Sanguinetti	3	3																			M Zabaleta	3	3
		R Sluiter	6	6					R Sluiter	3	6	1
		S Koubek	6	6					S Koubek	6	3	6
	WC	M Nielsen	3	2												S Koubek	2	1
		A Dupuis	3	4												M Zabaleta	6	6
		V Spadea	6	6					V Spadea	4	3
		M Zabaleta	2	77	6				M Zabaleta	6	6
	2	D Nalbandian	6	63	3