USA: US Open - Singles - Main |
| 1/64-finals | Ferreira W. | Hewitt L. | 0:3 (1:6, 5:7, 4:6) | details | 01.09.2004 |
USA: Long Island - Singles - Main |
| 1/8-finals | Srichaphan P. | Ferreira W. | 2:0 (7:6, 7:5) | details | 26.08.2004 |
| 1/16-finals | Sanchez-Munoz D. | Ferreira W. | 0:2 (2:6, 3:6) | details | 23.08.2004 |
USA: Washington - Singles - Main |
| 1/16-finals | Martin A. | Ferreira W. | 2:1 (4:6, 6:4, 7:6) | details | 17.08.2004 |
USA: Los Angeles - Singles - Main |
| 1/16-finals | Ferreira W. | Srichaphan P. | 0:2 (3:6, 6:7) | details | 13.07.2004 |
United Kingdom: Wimbledon - Singles - Main |
| 1/16-finals | Mayer F. | Ferreira W. | 3:1 (4:6, 6:4, 6:1, 6:4) | details | 26.06.2004 |
| 1/32-finals | Kucera K. | Ferreira W. | 0:3 (6:7, 3:6, 1:6) | details | 25.06.2004 |
| 1/64-finals | Ferreira W. | Ljubicic I. | 3:1 (5:7, 7:6, 7:5, 6:2) | details | 22.06.2004 |
United Kingdom: Nottingham - Singles - Main |
| 1/8-finals | Srichaphan P. | Ferreira W. | 2:1 (4:6, 6:3, 7:5) | details | 16.06.2004 |
| 1/16-finals | Ferreira W. | Martin A. | 2:1 (4:6, 6:4, 7:6) | details | 14.06.2004 |
France: French Open - Singles - Main |
| 1/64-finals | Melzer J. | Ferreira W. | 3:1 (64:7, 6:2, 6:4, 6:3) | details | 25.05.2004 |
USA: Miami - Singles - Main |
| 1/32-finals | Coria G. | Ferreira W. | 2:0 (7:6, 6:0) | details | 26.03.2004 |
| 1/64-finals | Sluiter R. | Ferreira W. | 0:2 (3:6, 1:6) | details | 24.03.2004 |
USA: Indian Wells - Singles - Main |
| 1/32-finals | Ferreira W. | Gaudio G. | 0:2 (2:6, 5:7) | details | 14.03.2004 |
| 1/64-finals | Andreev I. | Ferreira W. | 0:2 (4:6, 2:6) | details | 12.03.2004 |
USA: Scottsdale - Singles - Main |
| 1/16-finals | Ferreira W. | Hanescu V. | 0:2 (1:6, 2:6) | details | 03.03.2004 |
USA: Memphis - Singles - Main |
| 1/8-finals | Ferreira W. | Tursunov D. | 0:2 (4:6, 0:6) | details | 19.02.2004 |
| 1/16-finals | Ferreira W. | Bryan B. | 2:0 (7:68, 6:3) | details | 16.02.2004 |
USA: San Jose - Singles - Main |
| 1/16-finals | Ferreira W. | Gambill J. | 1:2 (7:6, 6:7, 1:6) | details | 10.02.2004 |
Australia: Australian Open - Main |
| 1/16-finals | Nalbandian D. | Ferreira W. | 3:0 (6:2, 6:4, 7:5) | details | 24.01.2004 |
| 1/32-finals | Ferreira W. | Sanchez-Munoz D. | 3:1 (2:6, 6:3, 6:4, 6:4) | details | 22.01.2004 |
| 1/64-finals | Hanescu V. | Ferreira W. | 1:3 (4:6, 6:3, 6:7, 1:6) | details | 20.01.2004 |
Australia: Sydney - Singles - Main |
| Semi-finals | Ferreira W. | Moya C. | 0:2 (2:6, 1:6) | details | 16.01.2004 |
| Quarter-finals | Ferreira W. | Reid T. | 2:0 (6:4, 6:4) | details | 15.01.2004 |
| 1/8-finals | Guccione C. | Ferreira W. | 0:2 (6:7, 5:7) | details | 14.01.2004 |
| 1/16-finals | Ferreira W. | Blake J. | 2:0 (6:2, 6:4) | details | 13.01.2004 |
Australia: Adelaide - Singles - Main |
| 1/16-finals | Ferreira W. | Reid T. | 0:2 (0:6, 1:6) | details | 06.01.2004 |
France: Paris - Singles - Main |
| 1/32-finals | Ferreira W. | Hanescu V. | 1:2 (6:2, 4:6, 3:6) | details | 27.10.2003 |
Sweden: Stockholm - Singles - Main |
| 1/16-finals | Ferreira W. | Chela J. I. | 0:2 (4:6, 2:6) | details | 21.10.2003 |
Spain: Madrid - Singles - Main |
| 1/16-finals | Ferrero J. C. | Ferreira W. | 2:1 (6:3, 2:6, 7:6) | details | 15.10.2003 |
| 1/32-finals | Ljubicic I. | Ferreira W. | 0:2 (6:7, 6:7) | details | 13.10.2003 |
France: Lyon 2 - Singles - Main |
| 1/16-finals | Ferreira W. | Enqvist T. | 0:2 (6:7, 6:7) | details | 07.10.2003 |
USA: US Open - Singles - Main |
| 1/32-finals | Ferreira W. | Ginepri R. | 1:3 (2:6, 4:6, 7:6, 2:6) | details | 29.08.2003 |
| 1/64-finals | Ferreira W. | Miranda I. | 3:0 (6:4, 6:3, 6:1) | details | 25.08.2003 |
USA: Cincinnati - Singles - Main |
| 1/32-finals | Blake J. | Ferreira W. | 2:0 (6:1, 7:6) | details | 12.08.2003 |
Canada: Montreal - Singles - Main |
| 1/32-finals | Black W. | Ferreira W. | 1:0 RET. (6:4, 2:1) | details | 05.08.2003 |
USA: Los Angeles - Singles - Main |
| Final | Ferreira W. | Hewitt L. | 2:1 (6:3, 4:6, 7:5) | details | 04.08.2003 |
| Semi-finals | Ferreira W. | Philippoussis M. | 2:0 (6:4, 7:5) | details | 03.08.2003 |
| Quarter-finals | Ferreira W. | Grosjean S. | 2:1 (7:6, 6:7, 6:2) | details | 01.08.2003 |
| 1/8-finals | Ferreira W. | Bogomolov A. Jr | 2:0 (7:6, 6:3) | details | 30.07.2003 |
United Kingdom: Wimbledon - Singles - Main |
| 1/64-finals | Kucera K. | Ferreira W. | 3:0 (6:1, 6:2, 6:4) | details | 23.06.2003 |
France: French Open - Singles - Main |
| 1/16-finals | Schuttler R. | Ferreira W. | 2:1 RET. (6:3, 1:6, 7:6, 2:3) | details | 30.05.2003 |
| 1/32-finals | Ferreira W. | Ferrer D. | 3:1 (4:6, 6:4, 6:1, 6:3) | details | 28.05.2003 |
| 1/64-finals | Ferreira W. | Behrend T. | 3:0 (6:4, 6:2, 6:3) | details | 26.05.2003 |
Germany: Hamburg - Singles - Main |
| Quarter-finals | Calleri A. | Ferreira W. | 2:0 (7:5, 6:2) | details | 16.05.2003 |