Singles
1998 Chase Championships
Champion	Martina Hingis
Runner-up	Lindsay Davenport
Score	7–5, 6–4, 4–6, 6–2
Draw	16
Seeds	8

Martina Hingis defeated Lindsay Davenport in the final, 7–5, 6–4, 4–6, 6–2 to win the singles tennis title at the 1998 Chase Championships.

Jana Novotná was the defending champion, but lost in the first round to Steffi Graf.

This marked the last WTA Championships final to be best-of-five-sets.

Seeds

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

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

• NB: The Final was best of 5 sets while all other rounds were best of 3 sets.

	First round							Quarterfinals							Semifinals							Final
	1	Lindsay Davenport	4	7	6
		Sandrine Testud	6	6	0			1	Lindsay Davenport	6	6
		Natasha Zvereva	3	1				8	Nathalie Tauziat	0	3
	8	Nathalie Tauziat	6	6											1	Lindsay Davenport	6	2	6
	3	Jana Novotná	7	4	1											Steffi Graf	1	6	3
		Steffi Graf	6	6	6				Steffi Graf	1	6	6
		Anna Kournikova	4	3				5	Monica Seles	6	4	4
	5	Monica Seles	6	6																		1	Lindsay Davenport	5	4	6	2
	7	Conchita Martínez	6	2																		2	Martina Hingis	7	6	4	6
		Dominique Van Roost	7	6					Dominique Van Roost	2	3
		Irina Spîrlea	7	6					Irina Spîrlea	6	6
	4	Arantxa Sánchez-Vicario	6	1												Irina Spîrlea	2	6
	6	Mary Pierce	6	6											2	Martina Hingis	6	7
		Amanda Coetzer	1	0				6	Mary Pierce	6	4
		Patty Schnyder	6	0	3			2	Martina Hingis	7	6
	2	Martina Hingis	4	6	6

External links

• 1998 Chase Championships Draw