 Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Karbacher B. | Campbell S. | 2:0 (6:2, 7:64) | details | 12.04.1999 |
 Hong Kong: Hong Kong - Singles - Main |
|---|
| 1/16-finals | Steven B. | Campbell S. | 2:0 (6:4, 6:1) | details | 05.04.1999 |
 USA: Miami - Singles - Main |
|---|
| 1/64-finals | Campbell S. | Escude N. | 1:2 (5:7, 6:4, 3:6) | details | 15.03.1999 |
| USA: Memphis - Singles - Main |
|---|
| 1/32-finals | Carlsen K. | Campbell S. | 2:0 (6:1, 6:0) | details | 15.02.1999 |
| USA: San Jose - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Woodforde M. | 1:2 (3:6, 6:3, 5:7) | details | 08.02.1999 |
 Australia: Australian Open - Singles - Main |
|---|
| 1/64-finals | Campbell S. | Clement A. | 1:3 (6:4, 3:6, 4:6, 4:6) | details | 18.01.1999 |
 Colombia: Bogota - Singles - Main |
|---|
| 1/16-finals | Puerta M. | Campbell S. | 2:0 (6:1, 6:3) | details | 02.11.1998 |
 Mexico: Mexico City - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Arnold-Ker L. | 1:2 (4:6, 7:63, 3:6) | details | 26.10.1998 |
 France: Lyon 2 - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Rafter P. | 0:2 (2:6, 2:6) | details | 19.10.1998 |
 Singapore: Singapore - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Ivanisevic G. | 0:2 (2:6, 1:6) | details | 12.10.1998 |
 China: Shanghai 2 - Singles - Main |
|---|
| 1/8-finals | Campbell S. | Carlsen K. | 1:2 (3:6, 6:3, 3:6) | details | 07.10.1998 |
| 1/16-finals | Campbell S. | Middleton T. J. | 2:0 (6:4, 6:3) | details | 05.10.1998 |
 United Kingdom: Bournemouth - Singles - Main |
|---|
| 1/16-finals | Nydahl T. | Campbell S. | 2:0 (6:3, 6:3) | details | 14.09.1998 |
| USA: US Open - Singles - Main |
|---|
| 1/64-finals | Kucera K. | Campbell S. | 3:0 (6:4, 6:2, 6:4) | details | 31.08.1998 |
| USA: Boston - Singles - Main |
|---|
| 1/16-finals | Malisse X. | Campbell S. | 2:0 (6:3, 6:1) | details | 24.08.1998 |
| USA: Indianapolis - Singles - Main |
|---|
| 1/32-finals | Campbell S. | Bryan B. | 1:2 (1:6, 6:0, 1:6) | details | 17.08.1998 |
| USA: Cincinnati - Singles - Main |
|---|
| 1/32-finals | Campbell S. | Ondruska M. | 1:2 (7:5, 2:6, 3:6) | details | 10.08.1998 |
 Canada: Toronto - Singles - Main |
|---|
| 1/32-finals | Kokavec B. | Campbell S. | 2:0 (6:1, 6:2) | details | 03.08.1998 |
| USA: Los Angeles - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Gambill J. | 0:2 (4:6, 4:6) | details | 27.07.1998 |
| USA: Washington - Singles - Main |
|---|
| 1/32-finals | Delgado R. | Campbell S. | 2:0 (6:3, 6:2) | details | 20.07.1998 |
| United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/64-finals | Campbell S. | Dewulf F. | 1:3 (3:6, 6:2, 1:6, 0:6) | details | 30.06.1998 |
 Netherlands: Hertogenbosch - Singles - Main |
|---|
| Quarter-finals | Siemerink J. | Campbell S. | 2:1 (2:6, 6:1, 6:3) | details | 19.06.1998 |
| 1/8-finals | Haarhuis P. | Campbell S. | 1:2 (6:2, 3:6, 61:7) | details | 17.06.1998 |
| 1/16-finals | Campbell S. | Kafelnikov Y. | 2:0 (7:5, 6:2) | details | 15.06.1998 |
 Germany: Halle - Singles - Main |
|---|
| 1/8-finals | Campbell S. | Larsson M. | 0:2 (0:6, 3:6) | details | 09.06.1998 |
| 1/16-finals | Campbell S. | Knippschild J. | 2:1 (1:6, 7:64, 6:3) | details | 08.06.1998 |
| France: French Open - Singles - Main |
|---|
| 1/64-finals | Hrbaty D. | Campbell S. | 3:1 (2:6, 6:3, 6:3, 6:3) | details | 25.05.1998 |
 Austria: St. Poelten - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Clavet F. | 0:2 (3:6, 1:6) | details | 18.05.1998 |
| USA: Coral Springs - Singles - Main |
|---|
| 1/8-finals | Campbell S. | Van Herck J. | 0:2 (5:7, 0:6) | details | 05.05.1998 |
| 1/16-finals | Campbell S. | Clement A. | 2:0 (6:4, 7:5) | details | 04.05.1998 |
| USA: Verizon Tennis Challenge - Singles - Main |
|---|
| Quarter-finals | Calatrava A. | Campbell S. | 0:0 RET. (4:0) | details | 01.05.1998 |
| 1/8-finals | Campbell S. | Gambill J. | 2:0 (6:2, 7:67) | details | 29.04.1998 |
| 1/16-finals | Campbell S. | Lareau S. | 2:0 (6:3, 6:4) | details | 27.04.1998 |
| Japan: Tokyo - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Heuberger I. | 0:2 (3:6, 64:7) | details | 14.04.1998 |
| 1/32-finals | Campbell S. | Richardson A. | 2:0 (6:1, 7:66) | details | 13.04.1998 |
| Hong Kong: Hong Kong - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Johansson T. | 1:2 (7:62, 0:6, 3:6) | details | 06.04.1998 |
| USA: Miami - Singles - Main |
|---|
| Quarter-finals | Campbell S. | Corretja A. | 0:2 (3:6, 1:6) | details | 27.03.1998 |
| 1/8-finals | Ferreira W. | Campbell S. | 1:2 (6:1, 5:7, 64:7) | details | 24.03.1998 |
| 1/16-finals | Martin T. | Campbell S. | 1:2 (6:1, 5:7, 64:7) | details | 22.03.1998 |
| 1/32-finals | Campbell S. | Philippoussis M. | 2:1 (3:6, 6:3, 6:4) | details | 19.03.1998 |
| USA: Memphis - Singles - Main |
|---|
| 1/16-finals | Rios M. | Campbell S. | 2:0 (6:2, 6:4) | details | 18.02.1998 |
| 1/32-finals | Doyle G. | Campbell S. | 0:2 (64:7, 0:6) | details | 16.02.1998 |
| Australia: Australian Open - Singles - Main |
|---|
| 1/16-finals | Campbell S. | Black B. | 0:3 (4:6, 0:6, 2:6) | details | 27.01.1998 |
| 1/32-finals | Campbell S. | O'Brien A. | 3:0 (6:4, 6:3, 6:4) | details | 25.01.1998 |
| 1/64-finals | Gimelstob J. | Campbell S. | 2:3 (6:3, 3:6, 6:3, 3:6, 4:6) | details | 23.01.1998 |
| Australia: Australian Open - Singles - Qualification |
|---|
| Final | Campbell S. | Eagle J. | 2:1 (62:7, 6:3, 6:2) | details | 22.01.1998 |
