Singles
2003 Advanta Championships
Final
Champion	Amélie Mauresmo
Runner-up	Anastasia Myskina
Score	5–7, 6–0, 6–2
Events
Singles Doubles
← 2000 · Advanta Championships of Philadelphia · 2004 →

Lindsay Davenport was the defending champion from when the event was last held in 2000, but she decided not to participate this year.

Amélie Mauresmo won the title, defeating Anastasia Myskina in the final, 5–7, 6–0, 6–2.^[1][2]

	Semifinals							Final
	3	Anastasia Myskina	6	4	7
	7	Nadia Petrova	4	6	5
								3	Anastasia Myskina	7	0	2
								2/WC	Amélie Mauresmo	5	6	6
	5	Ai Sugiyama	6	66	5
	2/WC	Amélie Mauresmo	3	7	7

	First round							Second round							Quarterfinals							Semifinals
								3	A Myskina	6	6
		N Pratt	6	3	7				N Pratt	3	2
	Q	T Ashley	2	6	62										3	A Myskina	6	6
		M Weingärtner	6	6												M Weingärtner	3	1
	LL	A Haynes	3	4					M Weingärtner	w/o
	LL	J Lee	4	4				10	T Pisnik
	10	T Pisnik	6	6																		3	A Myskina	6	4	7
																						7	N Petrova	4	6	5
								4	C Rubin	6	6
		S Talaja	6	3	5				A Stevenson	2	4
		A Stevenson	4	6	7										4	C Rubin	65	5
		C Black	0	3											7	N Petrova	7	7
	Q	M Suchá	6	6				Q	M Suchá	1	7	3
		A Frazier	4	0				7	N Petrova	6	5	6
	7	N Petrova	6	6

	First round							Second round							Quarterfinals							Semifinals
	9	M Shaughnessy	6	6
	LL	A-L Grönefeld	3	2				9	M Shaughnessy	6	6
		A Harkleroad	6	2					A Harkleroad	3	1
		E Likhovtseva	0	0r											9	M Shaughnessy	2	7	2
		T Garbin	6	7											5	A Sugiyama	6	5	6
	WC	M Irvin	1	62					T Garbin	4	7	3
								5	A Sugiyama	6	63	6
																						5	A Sugiyama	6	66	5
	6	V Zvonareva	3	6	2																	2/WC	A Mauresmo	3	7	7
		L Raymond	6	2	6				L Raymond	2	7	7
	Q	J Janković	6	6				Q	J Janković	6	5	65
	WC	S Perry	0	3												L Raymond	3	3
		S Cohen-Aloro	6	6											2/WC	A Mauresmo	6	6
	Q	A Kapros	3	3					S Cohen-Aloro	64	4
								2/WC	A Mauresmo	7	6