South Korea: Seoul - Doubles - Main |
| 1/8-finals | Chang E./Ji Seung-Ho | Brown N./Oosting M. | 2:0 (7:6, 7:6) | dettagli | 15.04.1991 |
Japan: Tokyo - Doubles - Main |
| 1/8-finals | Leach R./Pugh J. | Brown N./Oosting M. | 2:0 (7:5, 6:4) | dettagli | 10.04.1991 |
| 1/16-finals | Castle A./Zivojinovic S. | Brown N./Oosting M. | 0:2 (5:7, 4:6) | dettagli | 08.04.1991 |
Hong Kong: Hong Kong - Doubles - Main |
| 1/8-finals | Brown N./Oosting M. | Antonitsch A./Talbot B. | 1:2 (6:3, 4:6, 6:7) | dettagli | 01.04.1991 |
Australia: Australian Open - Doubles - Main |
| Quarter-finals | Bates J./Jones K. | Brown N./Oosting M. | 3:0 (6:3, 6:4, 6:4) | dettagli | 23.01.1991 |
| 1/8-finals | Brown N./Oosting M. | Broad N./Muller G. | 2:1 (6:7, 7:6, 6:3) | dettagli | 20.01.1991 |
| 1/16-finals | Brown N./Oosting M. | Kinnear K./Shelton B. | 2:1 (6:3, 2:6, 8:6) | dettagli | 17.01.1991 |
| 1/32-finals | Ivanisevic G./Korda P. | Brown N./Oosting M. | 1:2 (1:6, 7:5, 3:6) | dettagli | 14.01.1991 |