Duell Katharina (Germany)
- Show:
 Germany: Berlin - Singles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/32-finals | Cioffi H. | Duell K. | 2:0 (6:2, 6:1) | details | 13.05.1991 | ||
 Spain: Barcelona 2 - Singles - Main | |||||||
| 1/32-finals | Avila N. | Duell K. | 2:0 (6:0, 6:3) | details | 22.04.1991 | ||
| Germany: Berlin - Singles - Main | |||||||
| 1/32-finals | Kelesi H. | Duell K. | 2:0 (6:1, 6:4) | details | 14.05.1990 | ||
| Germany: Hamburg - Singles - Main | |||||||
| 1/32-finals | Duell K. | Morton-Rodgers T. | 0:2 (4:6, 1:6) | details | 30.04.1990 | ||
- Show:
| Spain: Barcelona 2 - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/16-finals | Bottini E./Navarro B. | Krein-Auer S./Duell K. | 2:0 (7:6, 7:6) | details | 22.04.1991 | ||
| Germany: Hamburg - Doubles - Main | |||||||
| 1/16-finals | Duell K./Rittner B. | Demongeot I./Tanvier C. | 1:2 (6:4, 0:6, 1:6) | details | 30.04.1990 | ||