Singles
2005 Acura Classic
Champion	Mary Pierce
Runner-up	Ai Sugiyama
Score	6–0, 6–3
Draw	56
Seeds	16

Mary Pierce defeated Ai Sugiyama in the final, 6–0, 6–3 to win the singles tennis title at the 2005 Southern California Open.

Lindsay Davenport was the reigning champion, but withdrew due to a lower-back strain.

Seeds

The top eight seeds received a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
		Peng Shuai	6	6
	7	Kim Clijsters	4	4
									Peng Shuai	2	2
								6	Mary Pierce	6	6
	5	Patty Schnyder	4	3
	6	Mary Pierce	6	6
															6	Mary Pierce	6	6
																Ai Sugiyama	0	3
		Anna Chakvetadze	3	4
		Akiko Morigami	6	6
									Akiko Morigami	4	3r
									Ai Sugiyama	6	4
		Sesil Karatantcheva	1	2
		Ai Sugiyama	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								3	E Dementieva	5	4
		S Peng	7	6					S Peng	7	6
	Q	ME Salerni	5	1												S Peng	77	6
	Q	A Nakamura	2	2											16	D Safina	62	0
	Q	A Jidkova	6	6				Q	A Jidkova	6	1	0
		C Martínez	611	4				16	D Safina	0	6	6
	16	D Safina	713	6																			S Peng	6	6
	11	J Janković	7	6																		7	K Clijsters	4	4
		A Frazier	5	0				11	J Janković	6	6
		M Vento-Kabchi	4	5				Q	H Šromová	3	2
	Q	H Šromová	6	7											11	J Janković	1	3
		L Granville	6	0	69										7	K Clijsters	6	6
		M Domachowska	3	6	711				M Domachowska	3	1
								7	K Clijsters	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								5	P Schnyder	6	62	6
		K Peschke	0	6	77				K Peschke	4	77	1
	WC	J Craybas	6	1	62										5	P Schnyder	61	6	6
		S Stosur	3	2											17	F Schiavone	77	1	4
	Q	A Rodionova	6	6				Q	A Rodionova	2	2
	WC	A Spears	3	2				17	F Schiavone	6	6
	17	F Schiavone	6	6																		5	P Schnyder	4	3
	10	N Dechy	6	6																		6	M Pierce	6	6
		K Brandi	2	2				10	N Dechy	4	7	77
		G Dulko	77	1	6				G Dulko	6	5	63
	Q	S Obata	63	6	3										10	N Dechy	5	3
		A-L Grönefeld	77	6											6	M Pierce	7	6
	WC	E Daniilidou	65	4					A-L Grönefeld	1	1
								6	M Pierce	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								9	E Likhovtseva	0	6	6
		S Pe'er	2	6	6				S Pe'er	6	2	4
		D Randriantefy	6	3	4										9	E Likhovtseva	3	1
		F Zuluaga	2	6	5											A Chakvetadze	6	6
		I Benešová	6	3	7				I Benešová	4	3
		A Chakvetadze	6	6					A Chakvetadze	6	6
	12	T Golovin	4	4																			A Chakvetadze	3	4
	15	F Pennetta	6	6																			A Morigami	6	6
	LL	M Irvin	2	2				15	F Pennetta	1	5
		A Morigami	6	6					A Morigami	6	7
		M Matevžič	1	0												A Morigami	6	4	6
	Q	S Mirza	6	6											Q	S Mirza	2	6	4
	Q	T Garbin	2	2				Q	S Mirza	6	6
								4	N Petrova	2	1

Section 4

	First round							Second round							Third round							Quarterfinals
								8	V Zvonareva	4	6	4
		K Šprem	6	61	1				M Washington	6	4	6
		M Washington	2	77	6											M Washington	1	2
		M Bartoli	6	0	3											S Karatantcheva	6	6
		L Raymond	1	6	6				L Raymond	66	4
		S Karatantcheva	6	0	7				S Karatantcheva	78	6
	13	S Asagoe	1	6	5																		S Karatantcheva	1	2
	14	D Hantuchová	77	6																			A Sugiyama	6	6
		M Kirilenko	65	1				14	D Hantuchová	5	6	2
		A Sugiyama	3						A Sugiyama	7	4	6
		M Shaughnessy	0r													A Sugiyama	2	6	6
		E Linetskaya	65	7	1										2	S Kuznetsova	6	4	3
		K Koukalová	77	5	6				K Koukalová	5	3
								2	S Kuznetsova	7	6

External links

• ITF tournament draws