Mahesh Bhupathi and Leander Paes were the defending champions, but lost in the semifinals to the eventual runners-up Ellis Ferreira and Rick Leach.
| Men's doubles | |
|---|---|
| 1998 du Maurier Open | |
| Champions |  Martin Damm  Jim Grabb [1] |
| Runners-up |  Ellis Ferreira Rick Leach |
| Final score | 6–7, 6–2, 7–6 |
Martin Damm and Jim Grabb won the title, by defeating Ferreira and Leach, 6–7, 6–2, 7–6 in the final.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Mahesh Bhupathi / Leander Paes (semifinals)
Jonas Björkman / 
Patrick Rafter (semifinals) Ellis Ferreira / Rick Leach (final)
Yevgeny Kafelnikov / Daniel Vacek (second round) Donald Johnson / Francisco Montana (quarterfinals)
Mark Knowles / 
Daniel Nestor (quarterfinals)
Wayne Black / Sébastien Lareau (quarterfinals)| Semifinals | Final [1] | ||||||||||||
| 1 | Mahesh Bhupathi Leander Paes | 6 | 3 | ||||||||||
| 3 | Ellis Ferreira Rick Leach | 7 | 6 | ||||||||||
| 3 | Ellis Ferreira Rick Leach | 7 | 2 | 6 | |||||||||
| Martin Damm Jim Grabb | 6 | 6 | 7 | ||||||||||
| Martin Damm Jim Grabb | 3 | 7 | |||||||||||
| 2 | Jonas Björkman Patrick Rafter | 6 | 6r | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Bhupathi L Paes | 6 | 6 | ||||||||||||||||||||||||
| B Coupe D Randall | 6 | 6 | B Coupe D Randall | 4 | 0 | ||||||||||||||||||||||
| G Stafford K Ullyett | 3 | 4 | 1 | M Bhupathi L Paes | 6 | 5 | 6 | ||||||||||||||||||||
 O Delaître F Santoro | 7 | 6 | 8 | W Black S Lareau | 2 | 7 | 4 | ||||||||||||||||||||
| B Kokavec F Niemeyer | 5 | 2 | O Delaître F Santoro | 4 | 4 | ||||||||||||||||||||||
| 8 | W Black S Lareau | 6 | 6 | 8 | W Black S Lareau | 6 | 6 | ||||||||||||||||||||
| D Macpherson B MacPhie | 1 | 2 | 1 | M Bhupathi L Paes | 6 | 3 | |||||||||||||||||||||
| 3 | E Ferreira R Leach | 7 | 6 | ||||||||||||||||||||||||
| 3 | E Ferreira R Leach | 4 | 7 | 6 | |||||||||||||||||||||||
J Eagle  J Siemerink | 6 | 7 | J Eagle J Siemerink | 6 | 6 | 4 | |||||||||||||||||||||
 T Haas J Robichaud | 2 | 5 | 3 | E Ferreira R Leach | 6 | 6 | |||||||||||||||||||||
 S Sargsian G Van Emburgh | 7 | 6 | 5 | D Johnson F Montana | 2 | 1 | |||||||||||||||||||||
| L Jensen M Jensen | 6 | 0 | S Sargsian G Van Emburgh | 1 | 5 | ||||||||||||||||||||||
| 5 | D Johnson F Montana | 2 | 6 | 6 | 5 | D Johnson F Montana | 6 | 7 | |||||||||||||||||||
| S Larose J Turek | 6 | 4 | 3 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| M Damm J Grabb | 6 | 6 | 6 | ||||||||||||||||||||||||
| D Flach M Tebbutt | 7 | 3 | 0 | M Damm J Grabb | w/o | ||||||||||||||||||||||
A Kratzmann  G Kuerten | 6 | 3 | 6 | A Kratzmann G Kuerten | |||||||||||||||||||||||
 D Roditi J Tarango | 3 | 6 | 3 | M Damm J Grabb | 6 | 6 | |||||||||||||||||||||
| S Stolle C Suk | 7 | 6 | S Stolle C Suk | 3 | 1 | ||||||||||||||||||||||
| J-L de Jager R Koenig | 6 | 4 | S Stolle C Suk | 4 | 7 | 7 | |||||||||||||||||||||
| 4 | Y Kafelnikov D Vacek | 6 | 6 | 6 | |||||||||||||||||||||||
| M Damm J Grabb | 3 | 7 | |||||||||||||||||||||||||
| 7 | M Knowles D Nestor | 6 | 7 | 2 | J Björkman P Rafter | 6 | 6r | ||||||||||||||||||||
 A Kitinov F Wibier | 3 | 5 | 7 | M Knowles D Nestor | 4 | ||||||||||||||||||||||
 G Ivanišević M Philippoussis | 6 | 6 | G Ivanišević M Philippoussis | 2r | |||||||||||||||||||||||
D Adams  Max Mirnyi | 3 | 4 | 7 | M Knowles D Nestor | 5 | 3 | |||||||||||||||||||||
| P Galbraith T Martin | 6 | 7 | 6 | 2 | J Björkman P Rafter | 7 | 6 | ||||||||||||||||||||
| B Black A O'Brien | 7 | 5 | 2 | P Galbraith T Martin | 2 | 1 | |||||||||||||||||||||
| 2 | J Björkman P Rafter | 6 | 6 | ||||||||||||||||||||||||
Sandon Stolle and Cyril Suk were the defending champions, but Stolle competed with Wayne Black, while Suk competed with Donald Johnson this year. Suk and Johnson were defeated by Stolle and Black in the third round, while Stolle and Black were defeated by Andrei Olhovskiy and David Prinosil in the quarterfinals.
Ellis Ferreira and Rick Leach were the defending champions but they competed with different partners that year, Ferreira with Grant Stafford and Leach with David Macpherson.
Leander Paes and Jan Siemerink were the defending champions but they competed with different partners that year, Paes with Mahesh Bhupathi and Siemerink with Jack Waite.
Todd Woodbridge and Mark Woodforde were the defending champions but only Woodbridge competed that year with Jonas Björkman.
Donald Johnson and Piet Norval were the defending champions but did not compete that year.
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