The qualifying rounds for the 1998 US Open were played from 25 to 29 August 1998 at the USTA National Tennis Center in Flushing Meadows, New York City, United States.
Seeds
Ctislav Doseděl / 
Sander Groen (first round)
Martín Rodríguez / 
André Sá (qualifying competition, Lucky losers)
Grant Silcock / 
Myles Wakefield (qualified)
João Cunha e Silva / Adriano Ferreira (first round)
Michael Kohlmann / 
Maurice Ruah (qualified)- Nelson Aerts /
Gouichi Motomura (qualifying competition) - Lan Bale /
Danny Sapsford (qualified) - Jamie Holmes / Andrew Painter (qualifying competition)
Qualifiers
Lucky losers
Draw
First qualifier
| First round | Qualifying competition | ||||||||||||
| 1 | Ctislav Doseděl Sander Groen
| 6 | 2 | 5 | |||||||||
| WC |  Scott Humphries Jared Palmer
| 2 | 6 | 7 | |||||||||
| WC | Scott Humphries Jared Palmer
| 6 | 6 | ||||||||||
| 8 | Jamie Holmes Andrew Painter
| 3 | 4 | ||||||||||
| WC | Geoff Abrams Edward Carter
| 5 | 6 | 1 | |||||||||
| 8 | Jamie Holmes Andrew Painter
| 7 | 4 | 6 | |||||||||
Second qualifier
| First round | Qualifying competition | ||||||||||||
| 2 | Martín Rodríguez André Sá
| 6 | 7 | ||||||||||
Petr Luxa Eyal Ran
| 1 | 6 | |||||||||||
| 2 | Martín Rodríguez André Sá
| 7 | 3 | 6 | |||||||||
| 7 | Lan Bale Danny Sapsford
| 5 | 6 | 7 | |||||||||
| WC | Michael Joyce David Witt
| 4 | 6 | 6 | |||||||||
| 7 | Lan Bale Danny Sapsford
| 6 | 1 | 7 | |||||||||
Third qualifier
| First round | Qualifying competition | ||||||||||||
| 3 | Grant Silcock Myles Wakefield
| 4 | 7 | 6 | |||||||||
| Jeff Coetzee Damien Roberts
| 6 | 6 | 4 | ||||||||||
| 3 | Grant Silcock Myles Wakefield
| 4 | 6 | 6 | |||||||||
| 6 | Nelson Aerts Gouichi Motomura
| 6 | 3 | 2 | |||||||||
| James Blake Thomas Blake
| 6 | 4 | |||||||||||
| 6 | Nelson Aerts Gouichi Motomura
| 7 | 6 | ||||||||||
Fourth qualifier
| First round | Qualifying competition | ||||||||||||
| 4 | João Cunha e Silva Adriano Ferreira
| 4 | 5 | ||||||||||
 Mosé Navarra Vincenzo Santopadre
| 6 | 7 | |||||||||||
| Mosé Navarra Vincenzo Santopadre
| 6 | 6 | 3 | ||||||||||
| 5 | Michael Kohlmann Maurice Ruah
| 4 | 7 | 6 | |||||||||
| Takao Suzuki Jim Thomas
| 6 | 4 | 0 | ||||||||||
| 5 | Michael Kohlmann Maurice Ruah
| 2 | 6 | 6 | |||||||||
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