| Doubles | |
|---|---|
| 1998 U.S. Pro Tennis Championships | |
| Champions |  Jacco Eltingh Paul Haarhuis [1] |
| Runners-up |  Chris Haggard  Jack Waite |
| Score | 6–3, 6–2 |
The 1998 U.S. Pro Tennis Championships was a men's tennis tournament played on Hard courts in Boston, United States that was part of the International Series of the 1998 ATP Tour. It was the seventieth edition of the tournament and was held from 24 to 30 August 1998.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Jacco Eltingh / Paul Haarhuis (champion)
Jiří Novák / David Rikl (semifinals)
Mariano Hood / Daniel Orsanic (quarterfinals) Pablo Albano / 
Nicolás Lapentti (semifinals)| First round | Quarterfinals | Semifinals | Final [1] | ||||||||||||||||||||||||
| 1 | J Eltingh P Haarhuis | 7 | 7 | ||||||||||||||||||||||||
| G Grant A Reichel | 5 | 6 | 1 | J Eltingh P Haarhuis | 4 | 7 | 7 | ||||||||||||||||||||
 G Köves J Tarango | 6 | 6 | G Köves J Tarango | 6 | 5 | 6 | |||||||||||||||||||||
M Barnard  P Nyborg | 4 | 4 | 1 | J Eltingh P Haarhuis | 7 | 6 | |||||||||||||||||||||
| 4 | P Albano N Lapentti | 6 | 3 | 6 | 4 | P Albano N Lapentti | 5 | 3 | |||||||||||||||||||
G Cañas  B Kokavec | 3 | 6 | 2 | 4 | P Albano N Lapentti | 4 | 7 | 6 | |||||||||||||||||||
| M Keil TJ Middleton | 6 | 3 | 6 | M Keil TJ Middleton | 6 | 6 | 3 | ||||||||||||||||||||
 J Golmard F Santoro | 3 | 6 | 3 | 1 | J Eltingh P Haarhuis | 6 | 6 | ||||||||||||||||||||
| C Haggard J Waite | 5r | C Haggard J Waite | 3 | 2 | |||||||||||||||||||||||
| S Schalken J van Lottum | 6 | C Haggard J Waite | 6 | 6 | |||||||||||||||||||||||
| 3 | M Hood D Orsanic | 4 | 6 | 6 | 3 | M Hood D Orsanic | 3 | 1 | |||||||||||||||||||
| B Haygarth K Kinnear | 6 | 0 | 3 | C Haggard J Waite | 3 | 6 | 6 | ||||||||||||||||||||
 T Vanhoudt P Vízner | 6 | 6 | 2 | J Novák D Rikl | 6 | 2 | 1 | ||||||||||||||||||||
S Campbell  R Delgado | 3 | 2 | T Vanhoudt P Vízner | 6 | 4 | ||||||||||||||||||||||
| 2 | J Novák D Rikl | 6 | 7 | 2 | J Novák D Rikl | 7 | 6 | ||||||||||||||||||||
| L Arnold L Lobo | 1 | 6 | |||||||||||||||||||||||||
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