Singles
1998 Thalgo Australian Women's Hardcourts
Final
Champion	Ai Sugiyama
Runner-up	Maria Vento
Score	7–5, 6–0
Details
Draw	30
Seeds	8
Events
Singles Doubles
← 1997 · Australian Hard Court Championships · 1999 →

Elena Likhovtseva was the defending champion but lost in the second round to Maria Vento.

Ai Sugiyama won in the final 7–5, 6–0 against Vento.

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top two seeds received a bye to the second round.

	Final
		Maria Vento	5	0
	4	Ai Sugiyama	7	6

	First round							Second round							Quarterfinals							Semifinals
								1	B Schultz-McCarthy	6	6
	WC	N Pratt	5	2					C Morariu	4	2
		C Morariu	7	6											1	B Schultz-McCarthy	0	r
		M Serna	3	4												M Vento	4
		M Vento	6	6					M Vento	7	6
		O Barabanschikova	6	1	1			7	E Likhovtseva	5	4
	7	E Likhovtseva	2	6	6																		M Vento	6	6
	LL	J Kandarr	4	6	6																	Q	S Plischke	2	3
		E Gagliardi	6	4	3			LL	J Kandarr	4	6	1
		L Courtois	7	4	5				M de Swardt	6	2	6
		M de Swardt	5	6	7											M de Swardt	6	4
	WC	K Kunce	3	2											Q	S Plischke	7	6
	Q	S Plischke	6	6				Q	S Plischke	6	6	6
		R Grande	4	4				5	P Schnyder	7	4	4
	5	P Schnyder	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	J Kruger	2	6	2
		S Pitkowski	6	3	6				S Pitkowski	6	7
		D Chládková	7	2	7				D Chládková	1	5
	Q	M Endo	6	6	6											S Pitkowski	0	5
	Q	C Barclay	7	7											4	A Sugiyama	6	7
		M Sánchez Lorenzo	5	6				Q	C Barclay	6	1
		M Maleeva	5	2				4	A Sugiyama	7	6
	4	A Sugiyama	7	6																		4	A Sugiyama	6	7
	8	A-G Sidot	6	3	3																		S-T Wang	4	5
		S-T Wang	3	6	6				S-T Wang	1	6	6
		R McQuillan	6	6					R McQuillan	6	4	4
		K-A Guse	1	1												S-T Wang	6	5	6
	Q	J Lee	7	3	5										2	R Dragomir	3	7	3
		M Grzybowska	5	6	7				M Grzybowska	6	4
								2	R Dragomir	7	6

• 1998 Thalgo Australian Women's Hardcourts draw