Fabrice Santoro was the defending champion but lost in the second round to Sjeng Schalken.

Roger Federer won in the final 6–1, 7–6^(7–2) against Jiří Novák. He did not lose a single set in the entire tournament.

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

	First round							Second round							Quarterfinals							Semifinals							Final
	1	R Federer	6	6
		I Labadze	3	3				1	R Federer	6	7
	Q	M Abel	0					Q	M Abel	4	5
		I Heuberger	1r												1	R Federer	7	6
	WC	H Arazi	6	6											WC	H Arazi	5	3
		J Vacek	2	1				WC	H Arazi	6	4	6
		J van Lottum	2	6	3			8	Y Kafelnikov	4	6	3
	8	Y Kafelnikov	6	4	6																	1	R Federer	6	6
	4	T Henman	7	63	4																		I Ljubičić	3	2
		A Sávolt	5	77	6				A Sávolt	4	4
	Q	W Black	5	3					I Ljubičić	6	6
		I Ljubičić	7	6												I Ljubičić	6	6
		A Voinea	4	2											5	R Schüttler	3	4
		M Mirnyi	6	6					M Mirnyi	66	6	68
		Ž Krajan	4	6	3			5	R Schüttler	78	4	710
	5	R Schüttler	6	2	6																								1	Roger Federer	6	77
	6	S Schalken	7	6																									3	Jiří Novák	1	62
		M Youzhny	5	0				6	S Schalken	3	77	77
		F Santoro	61	6	6				F Santoro	6	62	65
		S Koubek	77	2	0										6	S Schalken	4	4
	WC	G Ivanišević	6r												3	J Novák	6	6
	Q	A Stoliarov	6					Q	A Stoliarov	1	1
		D Hrbatý	1	6	3			3	J Novák	6	6
	3	J Novák	6	3	6																	3	J Novák	6	6
	7	Y El Aynaoui	6	6																			T Robredo	4	1
	WC	O Bahrouzyan	0	3				7	Y El Aynaoui	62	65
	Q	V Kutsenko	65	2					F López	77	77
		F López	77	6												F López	77	3	4
		J Björkman	2	3												T Robredo	64	6	6
		T Robredo	6	6					T Robredo	7	4	77
		A Waske	4	2				2	M Safin	5	6	63
	2	M Safin	6	6

• 2003 Dubai Tennis Championships draw
• 2003 Dubai Tennis Championships Qualifying draw