World: Fed Cup - World Group - Doubles - Play Offs |
| | Asagoe S./Sugiyama A. | Klaffner M./Schwartz B. | 2:1 (6:3, 1:6, 6:1) | details | 16.07.2006 |
World: Olympic Games - Doubles - Main |
| Semi-finals | Asagoe S./Sugiyama A. | Martinez-Granados C./Ruano Pascual V. | 0:2 (3:6, 0:6) | details | 20.08.2004 |
| Quarter-finals | Asagoe S./Sugiyama A. | Navratilova M./Raymond L. | 2:1 (6:4, 4:6, 6:4) | details | 19.08.2004 |
| 1/8-finals | Asagoe S./Sugiyama A. | Kostanic T. J./Sprem K. | 2:0 (6:3, 7:5) | details | 18.08.2004 |
| 1/16-finals | Asagoe S./Sugiyama A. | Dementieva E./Myskina A. | 2:1 (5:7, 7:5, 6:3) | details | 17.08.2004 |
Canada: Montreal - Doubles - Main |
| Final | Asagoe S./Sugiyama A. | Huber L./Tanasugarn T. | 2:0 (6:0, 6:3) | details | 08.08.2004 |
| Semi-finals | Mauresmo A./Pierce M. | Asagoe S./Sugiyama A. | 0:2 (2:6, 5:7) | details | 07.08.2004 |
| Quarter-finals | Asagoe S./Sugiyama A. | Likhovtseva E./Zvonareva V. | 2:0 (6:2, 6:1) | details | 06.08.2004 |
| 1/8-finals | Asagoe S./Sugiyama A. | Ashley T./Granville L. | 2:1 (6:4, 5:7, 6:0) | details | 04.08.2004 |
| 1/16-finals | Asagoe S./Sugiyama A. | Brandi K./De Los Rios R. | 2:0 (7:6, 6:4) | details | 03.08.2004 |
USA: San Diego - Doubles - Main |
| 1/16-finals | Mauresmo A./Pierce M. | Asagoe S./Sugiyama A. | 2:0 (6:3, 6:3) | details | 27.07.2004 |
USA: Los Angeles - Doubles - Main |
| 1/8-finals | Martinez-Granados C./Ruano Pascual V. | Asagoe S./Sugiyama A. | 2:1 (4:6, 6:3, 6:4) | details | 21.07.2004 |
USA: Los Angeles - Doubles - Main |
| 1/8-finals | Asagoe S./Sugiyama A. | Black C./Likhovtseva E. | 1:2 (6:4, 5:7, 1:6) | details | 05.08.2003 |
Japan: Tokyo 2 - Doubles - Main |
| 1/8-finals | Davenport L./Morariu C. | Asagoe S./Sugiyama A. | 2:0 (6:2, 6:1) | details | 20.09.1999 |
Japan: Tokyo 3 - Doubles - Main |
| Semi-finals | Asagoe S./Sugiyama A. | Guse K./Morariu C. | 0:2 (4:6, 3:6) | details | 19.04.1997 |
| Quarter-finals | Asagoe S./Sugiyama A. | Lee J./Wang S. | 2:0 (6:3, 6:3) | details | 17.04.1997 |
| 1/8-finals | Asagoe S./Sugiyama A. | Haas S./Tatarkova E. | 2:0 (7:5, 6:1) | details | 14.04.1997 |