 USA: Memphis - Doubles - Main |
|---|
| 1/8-finals | Humphries S./Merklein M. | Coetzee J./Haggard C. | 0:2 (3:6, 3:6) | details | 17.02.2004 |
| USA: San Jose - Doubles - Main |
|---|
| 1/8-finals | Humphries S./Merklein M. | Coetzee J./Haggard C. | 1:2 (6:7, 6:3, 6:7) | details | 11.02.2004 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/32-finals | Bjorkman J./Woodbridge T. | Humphries S./Merklein M. | 2:0 (6:4, 6:2) | details | 21.01.2004 |
 New Zealand: Auckland - Doubles - Main |
|---|
| 1/8-finals | Humphries S./Merklein M. | Novak J./Stepanek R. | 0:2 (4:6, 2:6) | details | 13.01.2004 |
 Switzerland: Basel - Doubles - Main |
|---|
| Semi-finals | Arnold-Ker L./Hood M. | Humphries S./Merklein M. | 2:0 (7:5, 6:4) | details | 25.10.2003 |
| Quarter-finals | Blake J./Verkerk M. | Humphries S./Merklein M. | 1:2 (4:6, 6:2, 5:7) | details | 24.10.2003 |
| 1/8-finals | Prinosil D./Zib T. | Humphries S./Merklein M. | 2:0 (7:5, 7:6) | details | 22.10.2003 |
 Japan: Tokyo - Doubles - Main |
|---|
| Final | Gimelstob J./Kiefer N. | Humphries S./Merklein M. | 2:1 (6:7, 6:3, 7:6) | details | 05.10.2003 |
| Semi-finals | Humphries S./Merklein M. | Pala P./Novak J. | 2:1 (2:6, 6:2, 6:3) | details | 04.10.2003 |
| Quarter-finals | Humphries S./Merklein M. | Leach R./MacPhie B. | 2:0 (6:3, 7:6) | details | 03.10.2003 |
| 1/8-finals | Humphries S./Merklein M. | Burgsmuller L./Schuttler R. | 2:0 (6:3, 6:4) | details | 30.09.2003 |
 China: Shanghai 2 - Doubles - Main |
|---|
| 1/8-finals | Mamiit C./Taino E. | Humphries S./Merklein M. | 2:1 (4:6, 7:5, 6:4) | details | 23.09.2003 |
 Brazil: Costa Do Sauipe - Doubles - Main |
|---|
| Final | Perry T./Shimada T. | Humphries S./Merklein M. | 2:0 (6:2, 6:4) | details | 13.09.2003 |
| Semi-finals | Garcia M./Oliver G. | Humphries S./Merklein M. | 0:2 (1:6, 6:7) | details | 12.09.2003 |
| Quarter-finals | Spadea V./Taino E. | Humphries S./Merklein M. | 1:2 (6:7, 7:6, 5:7) | details | 11.09.2003 |
| 1/8-finals | Artoni E./Hirigoyen I. | Humphries S./Merklein M. | 1:2 (3:6, 7:6, 2:6) | details | 10.09.2003 |
| USA: US Open - Doubles - Main |
|---|
| 1/32-finals | Haggard C./Johnson D. | Humphries S./Merklein M. | 2:1 (6:3, 5:7, 7:6) | details | 26.08.2003 |
| USA: Los Angeles - Doubles - Main |
|---|
| Semi-finals | Gambill J./Parrott T. | Humphries S./Merklein M. | 2:1 (6:2, 6:7, 7:6) | details | 02.08.2003 |
| Quarter-finals | Humphries S./Merklein M. | Hewitt L./Philippoussis M. | 2:1 (6:3, 5:7, 6:4) | details | 01.08.2003 |
| 1/8-finals | Humphries S./Merklein M. | Lee H./Mamiit C. | 2:1 (2:6, 7:5, 6:3) | details | 29.07.2003 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Lee M./MacLagan M. | Humphries S./Merklein M. | 3:0 (7:6, 7:6, 6:4) | details | 24.06.2003 |
| United Kingdom: London - Doubles - Main |
|---|
| Quarter-finals | Leach R./MacPhie B. | Humphries S./Merklein M. | 2:1 (4:6, 7:6, 7:6) | details | 13.06.2003 |
| 1/8-finals | Humphries S./Merklein M. | Bryan B./Bryan M. | 2:1 (3:6, 7:5, 6:3) | details | 12.06.2003 |
| 1/16-finals | Humphries S./Merklein M. | Grosjean S./Sanguinetti D. | 2:0 (7:6, 7:5) | details | 09.06.2003 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Cibulec T./Vizner P. | Humphries S./Merklein M. | 2:1 (2:6, 6:3, 6:4) | details | 28.05.2003 |
 Austria: St. Poelten - Doubles - Main |
|---|
| 1/8-finals | Healey N./Kerr J. | Humphries S./Merklein M. | 2:1 (6:2, 4:6, 6:4) | details | 19.05.2003 |
| Japan: Tokyo - Doubles - Main |
|---|
| 1/16-finals | Aspelin S./Shimada T. | Humphries S./Merklein M. | 2:0 (6:3, 7:6) | details | 01.10.2002 |
| Brazil: Costa Do Sauipe - Doubles - Main |
|---|
| Final | Humphries S./Merklein M. | Kuerten G./Sa A. | 2:0 (6:3, 7:6) | details | 14.09.2002 |
