USA: US Open - Doubles - Main |
| 1/16-finals | Brown N./Castle A. | Frana J./Lavalle L. | 0:2 (4:6, 4:6) | details | 29.08.1991 |
| 1/32-finals | Brown N./Castle A. | Kinnear K./Thorne K. | 2:1 (3:6, 6:2, 7:6) | details | 26.08.1991 |
USA: New Haven 2 - Doubles - Main |
| 1/16-finals | Brown N./Castle A. | Adams D./Patridge S. | 0:2 (6:7, 2:6) | details | 12.08.1991 |
United Kingdom: Manchester - Doubles - Main |
| Final | Brown N./Castle A. | Camporese O./Ivanisevic G. | 0:2 (4:6, 3:6) | details | 23.06.1991 |
| Semi-finals | Davids H. J./Haarhuis P. | Brown N./Castle A. | 1:2 (6:2, 4:6, 6:7) | details | 22.06.1991 |
| Quarter-finals | Grabb J./Masur W. | Brown N./Castle A. | 0:2 (3:6, 6:7) | details | 19.06.1991 |
| 1/8-finals | Brown N./Castle A. | Evernden K./Lundgren P. | 2:1 (6:4, 3:6, 7:6) | details | 17.06.1991 |
United Kingdom: Wembley - Doubles - Main |
| Quarter-finals | Brown N./Castle A. | Grabb J./McEnroe P. | 0:2 (3:6, 1:6) | details | 07.11.1990 |
| 1/8-finals | Brown N./Castle A. | Baguena J. C./Borwick N. | 2:0 (6:2, 6:4) | details | 05.11.1990 |
South Korea: Seoul - Doubles - Main |
| Quarter-finals | Connell G./Michibata G. | Brown N./Castle A. | 2:0 (6:4, 6:3) | details | 18.04.1990 |
| 1/8-finals | Cassidy D./Saceanu C. | Brown N./Castle A. | 0:2 (4:6, 3:6) | details | 16.04.1990 |