 Canada: Quebec City - Doubles - Main |
|---|
| 1/8-finals | Frazier A./Schlukebir K. | Hy-Boulais P./Simpson R. | 2:0 (6:1, 6:2) | details | 26.10.1998 |
 France: French Open - Doubles - Main |
|---|
| 1/16-finals | Dhenin C./Loit E. | Hy-Boulais P./Rittner B. | 2:0 (6:1, 6:2) | details | 31.05.1998 |
| 1/32-finals | Hy-Boulais P./Rittner B. | Huber L./Reeves S. | 2:0 (6:4, 6:1) | details | 29.05.1998 |
 Germany: Hamburg - Doubles - Main |
|---|
| 1/8-finals | Noorlander S./Van Lottum N. | Courtois L./Hy-Boulais P. | 2:1 (3:6, 6:4, 6:4) | details | 27.04.1998 |
 USA: Amelia Island - Main |
|---|
| 1/16-finals | Dechaume-Balleret A./Hy-Boulais P. | Davenport L./Seles M. | 0:2 (1:6, 3:6) | details | 06.04.1998 |
| USA: Hilton Head - Doubles - Main |
|---|
| 1/16-finals | Hy-Boulais P./Wang S. | Adams K./Bollegraf M. | 0:2 (2:6, 6:7) | details | 30.03.1998 |
| USA: Miami - Doubles - Main |
|---|
| 1/16-finals | Callens E./Hy-Boulais P. | Barclay C./Guse K. | 1:2 (5:7, 7:6, 6:7) | details | 18.03.1998 |
| 1/32-finals | Callens E./Hy-Boulais P. | Williams S./Williams V. | 2:0 (6:4, 6:4) | details | 16.03.1998 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/32-finals | Carlsson A./Hy-Boulais P. | Kunce K./Morariu C. | 0:2 (3:6, 66:7) | details | 19.01.1998 |
| Australia: Hobart - Doubles - Main |
|---|
| 1/8-finals | Park S./Wang S. | Carlsson A./Hy-Boulais P. | 2:0 (7:5, 6:3) | details | 12.01.1998 |
 New Zealand: Auckland - Doubles - Main |
|---|
| 1/8-finals | Hy-Boulais P./Jeyaseelan S. | Callens E./Helgeson N. G. | 0:2 (2:6, 2:6) | details | 05.01.1998 |
| Canada: Quebec City - Doubles - Main |
|---|
| Quarter-finals | Hy-Boulais P./Rubin C. | Jeyaseelan S./Simpson R. | WO. | details | 22.10.1997 |
| 1/8-finals | Hy-Boulais P./Rubin C. | Jensen R./Schultz-McCarthy B. | 2:1 (7:6, 4:6, 6:3) | details | 20.10.1997 |
| USA: US Open - Doubles - Main |
|---|
| 1/32-finals | Basuki Y./Vis C. | Carlsson A./Hy-Boulais P. | 2:1 (2:6, 6:3, 6:1) | details | 27.08.1997 |
| Canada: Toronto - Doubles - Main |
|---|
| 1/8-finals | Carlsson A./Hy-Boulais P. | Arendt N./Bollegraf M. | 1:2 (7:6, 4:6, 2:6) | details | 13.08.1997 |
| 1/16-finals | Carlsson A./Hy-Boulais P. | Barclay C./Wood C. | 2:0 (6:4, 6:4) | details | 11.08.1997 |
| USA: Stanford - Doubles - Main |
|---|
| Quarter-finals | Hy-Boulais P./Lee-Waters L. | Coetzer A./Pierce M. | 0:2 (1:6, 3:6) | details | 23.07.1997 |
| 1/8-finals | Barabanschikova O./Wild L. | Hy-Boulais P./Lee-Waters L. | 0:2 (2:6, 4:6) | details | 21.07.1997 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Freye K./Noorlander S. | Hy-Boulais P./Studenikova K. | 2:1 (7:65, 4:6, 6:2) | details | 24.06.1997 |
| United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| 1/32-finals | Bergh R./Hy-Boulais P. | Nyborg P./Carlsson A. | 1:2 (5:7, 7:5, 4:6) | details | 24.06.1997 |
 Netherlands: Hertogenbosch - Doubles - Main |
|---|
| 1/8-finals | Carlsson A./Hy-Boulais P. | Boogert K./Wild L. | 1:2 (6:4, 3:6, 3:6) | details | 16.06.1997 |
| France: French Open - Doubles - Main |
|---|
| 1/16-finals | Hingis M./Sanchez-Vicario A. | Feber N./Hy-Boulais P. | 2:0 (6:4, 6:0) | details | 29.05.1997 |
| 1/32-finals | Dhenin C./Pitkowski-Malcor S. | Feber N./Hy-Boulais P. | 0:2 (4:6, 2:6) | details | 26.05.1997 |
Spain: Madrid 2 - Singles - Main