 China: Shanghai 2 - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Carlsen K. | 0:2 (5:7, 4:6) | details | 05.10.1998 |
 France: Toulouse - Singles - Main |
|---|
| 1/8-finals | Clement A. | Sinner M. | 2:1 (6:3, 4:6, 7:65) | details | 30.09.1998 |
| 1/16-finals | Haarhuis P. | Sinner M. | 0:2 (2:6, 4:6) | details | 28.09.1998 |
 Uzbekistan: Tashkent - Singles - Main |
|---|
| 1/16-finals | Kafelnikov Y. | Sinner M. | 2:0 (6:4, 6:2) | details | 14.09.1998 |
 Austria: Kitzbuhel - Singles - Main |
|---|
| 1/32-finals | Sinner M. | Vicente F. | 0:2 (1:6, 5:7) | details | 27.07.1998 |
 United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/64-finals | Sinner M. | Canas G. | 0:3 (2:6, 2:6, 4:6) | details | 30.06.1998 |
| United Kingdom: London - Singles - Main |
|---|
| 1/32-finals | Sinner M. | Tramacchi P. | 1:2 (6:4, 3:6, 5:7) | details | 08.06.1998 |
| France: French Open - Singles - Main |
|---|
| 1/64-finals | Sinner M. | Ferreira W. | 0:3 (64:7, 4:6, 5:7) | details | 25.05.1998 |
 Germany: Hamburg - Singles - Main |
|---|
| 1/32-finals | Alami K. | Sinner M. | 2:0 (7:5, 6:2) | details | 04.05.1998 |
 Czech Republic: Prague - Singles - Main |
|---|
| 1/8-finals | Sinner M. | Lapentti N. | 0:2 (2:6, 0:6) | details | 28.04.1998 |
| 1/16-finals | Nurminen T. | Sinner M. | 1:2 (2:6, 6:4, 3:6) | details | 27.04.1998 |
 Morocco: Casablanca - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Grosjean S. | 0:2 (64:7, 3:6) | details | 23.03.1998 |
 Denmark: Copenhagen - Singles - Main |
|---|
| 1/8-finals | Delaitre O. | Sinner M. | 2:1 (0:6, 6:0, 6:2) | details | 11.03.1998 |
| 1/16-finals | Sinner M. | Damm M. | 2:1 (4:6, 7:65, 6:4) | details | 09.03.1998 |
 United Arab Emirates: Dubai - Singles - Main |
|---|
| 1/8-finals | Corretja A. | Sinner M. | 2:0 (6:4, 6:3) | details | 11.02.1998 |
| 1/16-finals | Sinner M. | Norval P. | 2:0 (7:5, 6:3) | details | 09.02.1998 |
 Croatia: Split - Singles - Main |
|---|
| Semi-finals | Sinner M. | Ivanisevic G. | 0:2 (3:6, 63:7) | details | 07.02.1998 |
| Quarter-finals | Sinner M. | Carlsen K. | 2:1 (5:7, 6:3, 7:60) | details | 06.02.1998 |
| 1/8-finals | Sinner M. | Sanguinetti D. | 2:1 (6:2, 3:6, 6:3) | details | 04.02.1998 |
| 1/16-finals | Johansson T. | Sinner M. | 0:2 (65:7, 4:6) | details | 02.02.1998 |
 Qatar: Doha - Singles - Main |
|---|
| 1/8-finals | Sinner M. | Santoro F. | 0:2 (3:6, 4:6) | details | 07.01.1998 |
| 1/16-finals | Sinner M. | Burrieza-Lopez O. | 2:0 (6:3, 6:4) | details | 05.01.1998 |
 Singapore: Singapore - Singles - Main |
|---|
| 1/8-finals | Sinner M. | Gustafsson M. | 1:2 (64:7, 6:4, 3:6) | details | 08.10.1997 |
| 1/16-finals | Pozzi G. | Sinner M. | 1:2 (6:4, 2:6, 5:7) | details | 06.10.1997 |
| China: Beijing - Singles - Main |
|---|
| 1/16-finals | Gustafsson M. | Sinner M. | 2:1 (7:63, 1:6, 7:65) | details | 29.09.1997 |
| France: Toulouse - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Gimelstob J. | 0:2 (65:7, 64:7) | details | 22.09.1997 |
| Austria: Kitzbuhel - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Dewulf F. | 0:2 (1:6, 0:6) | details | 22.07.1997 |
| 1/32-finals | Sinner M. | Eschauer W. | 2:0 (6:4, 6:4) | details | 21.07.1997 |
| Germany: Stuttgart - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Ferreira W. | 1:2 (6:3, 0:6, 4:6) | details | 15.07.1997 |
| 1/32-finals | Sinner M. | Johansson T. | 2:1 (62:7, 7:66, 7:5) | details | 14.07.1997 |
 Switzerland: Gstaad - Singles - Main |
|---|
| 1/16-finals | Hrbaty D. | Sinner M. | 2:1 (69:7, 7:64, 6:4) | details | 07.07.1997 |
| United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/64-finals | Kulti N. | Sinner M. | 3:0 (7:63, 6:2, 6:3) | details | 24.06.1997 |
| Germany: Munich - Singles - Main |
|---|
| Quarter-finals | Corretja A. | Sinner M. | 2:1 (5:7, 6:2, 6:1) | details | 30.04.1997 |
| 1/8-finals | Charpentier M. | Sinner M. | 0:1 RET. (2:6, 1:4) | details | 29.04.1997 |
| 1/16-finals | Sinner M. | Mantilla F. | 1:1 AWA. (5:7, 6:4, 4:0) | details | 28.04.1997 |
 Japan: Tokyo - Singles - Main |
|---|
| 1/16-finals | Woodforde M. | Sinner M. | 2:0 (6:1, 6:4) | details | 16.04.1997 |
| 1/32-finals | Sinner M. | Olhovskiy A. | 2:0 (6:3, 6:4) | details | 14.04.1997 |
 India: Chennai - Singles - Main |
|---|
| 1/16-finals | Roux L. | Sinner M. | 2:0 (6:3, 6:4) | details | 07.04.1997 |
 Netherlands: Rotterdam - Singles - Main |
|---|
| 1/8-finals | Sinner M. | Radulescu A. | 1:2 (6:3, 62:7, 4:6) | details | 11.03.1997 |
| 1/16-finals | Haarhuis P. | Sinner M. | 0:2 (3:6, 4:6) | details | 03.03.1997 |
 Belgium: Antwerp 2 - Singles - Main |
|---|
| 1/16-finals | Damm M. | Sinner M. | 2:1 (65:7, 6:4, 6:3) | details | 17.02.1997 |
| United Arab Emirates: Dubai - Singles - Main |
|---|
| 1/8-finals | Sinner M. | Muster T. | 0:2 (4:6, 4:6) | details | 12.02.1997 |
| 1/16-finals | Henman T. | Sinner M. | 0:2 (65:7, 4:6) | details | 10.02.1997 |
| China: Shanghai 2 - Singles - Main |
|---|
| 1/16-finals | Sinner M. | Nydahl T. | 1:2 (7:5, 4:6, 63:7) | details | 27.01.1997 |
 Australia: Australian Open - Singles - Qualification |
|---|
| Final | Sinner M. | Gimelstob J. | 1:2 (6:3, 5:7, 1:6) | details | 10.01.1997 |
| Semi-finals | Sinner M. | Gurzstyn K. | 2:0 (6:3, 6:1) | details | 09.01.1997 |
| Quarter-finals | Sinner M. | Snell C. | 2:0 (6:3, 7:5) | details | 08.01.1997 |
 Russia: Moscow - Singles - Main |
|---|
| 1/16-finals | Korda P. | Sinner M. | 2:0 (7:5, 6:4) | details | 04.11.1996 |
