 Germany: Stuttgart - Doubles - Main |
|---|
| 1/16-finals | Luza G./Motta C. | Davids H. J./Pimek L. | 0:2 (6:7, 2:6) | details | 15.07.1991 |
 Switzerland: Gstaad - Doubles - Main |
|---|
| 1/8-finals | Davids H. J./Pimek L. | Luza G./Motta C. | 2:0 (6:3, 6:3) | details | 08.07.1991 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/16-finals | Luza G./Motta C. | Fitzgerald J./Jarryd A. | 0:2 (4:6, 6:7) | details | 02.07.1991 |
| 1/32-finals | Borwick N./Kratzmann A. | Luza G./Motta C. | 0:2 (1:6, 2:6) | details | 01.07.1991 |
 France: French Open - Doubles - Main |
|---|
| 1/16-finals | Woodbridge T./Woodforde M. | Luza G./Motta C. | 2:0 (6:1, 6:4) | details | 30.05.1991 |
| 1/32-finals | Aparisi J./Solves V. | Luza G./Motta C. | 1:2 (2:6, 6:4, 1:6) | details | 27.05.1991 |
 Italy: Rome - Doubles - Main |
|---|
| Semi-finals | Luza G./Motta C. | Jensen L./Warder L. | 1:2 (6:3, 4:6, 4:6) | details | 18.05.1991 |
| Quarter-finals | Luza G./Motta C. | Gilbert B./Sampras P. | 2:0 (7:5, 6:3) | details | 17.05.1991 |
| 1/8-finals | Schapers M./Siemerink J. | Luza G./Motta C. | 1:2 (4:6, 7:6, 6:7) | details | 15.05.1991 |
| 1/16-finals | Baguena J. C./Costa C. | Luza G./Motta C. | 0:2 (6:7, 5:7) | details | 13.05.1991 |
 Spain: Madrid 2 - Doubles - Main |
|---|
| Final | Luza G./Motta C. | Mattar L./Oncins J. | 2:0 (6:0, 7:5) | details | 05.05.1991 |
| Semi-finals | Casal S./Sanchez E. | Luza G./Motta C. | 0:2 (4:6, 4:6) | details | 04.05.1991 |
| Quarter-finals | Garnett B./Van Emburgh G. | Luza G./Motta C. | 0:2 (1:6, 2:6) | details | 01.05.1991 |
| 1/8-finals | Luza G./Motta C. | Baguena J. C./Roig F. | 2:0 (6:3, 6:4) | details | 29.04.1991 |
| France: Nice - Doubles - Main |
|---|
| 1/8-finals | Luza G./Motta C. | Smith R./Svantesson T. | 0:2 (6:7, 5:7) | details | 15.04.1991 |
 Brazil: Itaparica - Doubles - Main |
|---|
| Quarter-finals | Luza G./Motta C. | Smith R./Svantesson T. | 1:2 (2:6, 6:3, 6:7) | details | 07.11.1990 |
| 1/8-finals | Luza G./Motta C. | Novacek K./Pozzi G. | 2:1 (6:3, 3:6, 6:2) | details | 05.11.1990 |
| United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/16-finals | Botfield S./Turner J. | Luza G./Motta C. | 3:2 (7:6, 7:5, 4:6, 6:7, 8:6) | details | 01.07.1990 |
| 1/32-finals | Ivanisevic G./Taroczy B. | Luza G./Motta C. | 0:2 RET. (5:7, 5:7, 0:1) | details | 30.06.1990 |
| France: French Open - Doubles - Main |
|---|
| 1/8-finals | Luza G./Motta C. | Aldrich P./Visser D. | 1:2 (6:4, 3:6, 2:6) | details | 04.06.1990 |
| 1/16-finals | Luza G./Motta C. | Mora A./Page B. | 2:0 (6:2, 6:2) | details | 31.05.1990 |
| 1/32-finals | Luza G./Motta C. | Pioline C./Santoro F. | 2:1 (6:1, 4:6, 6:1) | details | 28.05.1990 |
| Germany: Hamburg - Doubles - Main |
|---|
| Semi-finals | Luza G./Motta C. | Bruguera S./Courier J. | 0:2 (1:6, 3:6) | details | 12.05.1990 |
| Quarter-finals | Albano P./De La Pena H. | Luza G./Motta C. | 1:2 (5:7, 6:2, 2:6) | details | 11.05.1990 |
| 1/8-finals | Luza G./Motta C. | Bahrami M./Winogradsky E. | 2:0 (6:4, 6:1) | details | 09.05.1990 |
| 1/16-finals | Kuhnen P./Zoecke M. | Luza G./Motta C. | 0:2 (2:6, 3:6) | details | 07.05.1990 |
