1998 du Maurier Open
Date	August 3–9 (men) August 17–23 (women)
Edition	109th
Surface	Hard / outdoor
Champions
Men's singles
Patrick Rafter[1]
Women's singles
Monica Seles
Men's doubles
Martin Damm /Jim Grabb[2]
Women's doubles
Martina Hingis /Jana Novotná
← 1997 · Canadian Open · 1999 →

The1998 du Maurier Open was atennis tournament played onoutdoor hard courts. It was the 109th edition of theCanada Masters and was part of theSuper 9 of the1998 ATP Tour and ofTier I of the1998 WTA Tour. The men's event took place at theNational Tennis Centre inToronto inCanada from August 3 through August 10, 1998, while the women's event took place at thedu Maurier Stadium inMontreal inCanada from August 17 through August 23, 1998.

Patrick Rafter defeatedRichard Krajicek 7–6^(7–3), 6–4

• It was Rafter's 4th title of the year and the 11th of his career. It was his 1st career Masters title.

Monica Seles defeatedArantxa Sánchez-Vicario 6–3, 6–2

• It was Seles' 1st title of the year and the 47th of her career. It was her 1st Tier I title of the year and her 8th overall.

Martin Damm /Jim Grabb defeatedEllis Ferreira /Rick Leach 6–7, 6–2, 7–6

• It was Damm's 3rd title of the year and the 14th of his career. It was Grabb's 3rd title of the year and the 25th of his career.

Martina Hingis /Jana Novotná defeatedYayuk Basuki /Caroline Vis 6–3, 6–4

• It was Hingis' 12th title of the year and the 37th of her career. It was Novotná's 9th title of the year and the 102nd of her career.

• Official website
• Association of Tennis Professionals (ATP) tournament profile
• Women's Tennis Association (WTA) tournament profile

• 1998 du Maurier Open
• 1998 ATP Tour
• 1998 WTA Tour
• Canadian Open (tennis)
• 1998 in Canadian tennis

• Use mdy dates from August 2023
• Articles with short description
• Short description matches Wikidata