France: Paris - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Woodforde M./Woodbridge T. | 0:2 (2:6, 3:6) | details | 04.11.1998 |
| 1/16-finals | Black W./Johnson D. | Lobo L./Sanchez J. | 0:1 RET. (5:7, 6:6) | details | 02.11.1998 |
Germany: Stuttgart 1 - Doubles - Main |
| 1/16-finals | Lobo L./Sanchez J. | Hirszon S./Ivanisevic G. | 1:2 (6:4, 3:6, 5:7) | details | 26.10.1998 |
Spain: Mallorca - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Rosner P./Sapsford D. | 0:2 (6:7, 3:6) | details | 28.09.1998 |
USA: US Open - Doubles - Main |
| Quarter-finals | Lobo L./Sanchez J. | Bhupathi M./Paes L. | 0:2 (3:6, 3:6) | details | 08.09.1998 |
| 1/8-finals | Lobo L./Sanchez J. | Black B./O'Brien A. | 2:1 (6:4, 2:6, 6:4) | details | 06.09.1998 |
| 1/16-finals | Lobo L./Sanchez J. | Carbonell T./Roig F. | 2:0 (6:4, 6:4) | details | 04.09.1998 |
| 1/32-finals | Ferreira E./Leach R. | Lobo L./Sanchez J. | 0:2 (2:6, 4:6) | details | 02.09.1998 |
France: French Open - Doubles - Main |
| 1/16-finals | Lobo L./Sanchez J. | Bergh F./Nyborg P. | 0:2 (2:6, 65:7) | details | 31.05.1998 |
| 1/32-finals | Lobo L./Sanchez J. | Forget G./Lavergne R. | 2:1 (4:6, 6:3, 6:2) | details | 29.05.1998 |
Italy: Rome - Doubles - Main |
| Semi-finals | Lobo L./Sanchez J. | Bhupathi M./Paes L. | 1:2 (5:7, 6:3, 6:7) | details | 15.05.1998 |
| Quarter-finals | Lobo L./Sanchez J. | Kafelnikov Y./Vacek D. | 2:1 (5:7, 6:4, 6:4) | details | 14.05.1998 |
| 1/8-finals | Lobo L./Sanchez J. | Kulti N./Nyborg P. | 2:0 (6:1, 6:4) | details | 12.05.1998 |
| 1/16-finals | Lobo L./Sanchez J. | Brandi C./Messori F. | 2:0 (6:4, 6:2) | details | 11.05.1998 |
Germany: Hamburg - Doubles - Main |
| 1/8-finals | Carbonell T./Roig F. | Lobo L./Sanchez J. | 2:0 (6:2, 6:4) | details | 06.05.1998 |
Monaco: Monte Carlo - Doubles - Main |
| 1/16-finals | Lobo L./Sanchez J. | Dosedel S./Olhovskiy A. | 0:2 (5:7, 3:6) | details | 20.04.1998 |
Spain: Barcelona - Doubles - Main |
| Semi-finals | Lobo L./Sanchez J. | Ferreira E./Leach R. | 0:2 (2:6, 5:7) | details | 17.04.1998 |
| Quarter-finals | Lobo L./Sanchez J. | Johnson D./Montana F. | 2:0 (6:2, 6:4) | details | 16.04.1998 |
| 1/8-finals | Lobo L./Sanchez J. | Carbonell T./Roig F. | 2:0 (6:2, 6:2) | details | 14.04.1998 |
| 1/16-finals | Lobo L./Sanchez J. | Kitinov A./VanHoudt T. | 2:1 (6:1, 4:6, 6:3) | details | 13.04.1998 |
Portugal: Estoril - Doubles - Main |
| 1/8-finals | Cunha-Silva J./Marques N. | Lobo L./Sanchez J. | 2:1 (6:4, 5:7, 7:6) | details | 06.04.1998 |
USA: Miami - Doubles - Main |
| 1/16-finals | Lobo L./Sanchez J. | Henman T./Ivanisevic G. | 0:2 (3:6, 4:6) | details | 19.03.1998 |
USA: Indian Wells - Doubles - Main |
| Quarter-finals | Bjorkman J./Rafter P. | Lobo L./Sanchez J. | 2:1 (6:7, 7:6, 6:3) | details | 13.03.1998 |
| 1/8-finals | Kuerten G./Meligeni F. | Lobo L./Sanchez J. | 1:2 (6:3, 6:7, 6:7) | details | 11.03.1998 |
| 1/16-finals | Black W./Salzenstein J. | Lobo L./Sanchez J. | 0:2 (2:6, 4:6) | details | 09.03.1998 |
USA: Philadelphia - Doubles - Main |
| Quarter-finals | MacPherson D./Reneberg R. | Lobo L./Sanchez J. | 2:0 (6:1, 6:2) | details | 25.02.1998 |
| 1/8-finals | Dilucia D./Sell M. | Lobo L./Sanchez J. | 0:2 (4:6, 4:6) | details | 23.02.1998 |
USA: Memphis - Doubles - Main |
| Semi-finals | Woodforde M./Woodbridge T. | Lobo L./Sanchez J. | 2:0 (6:3, 6:4) | details | 21.02.1998 |
| Quarter-finals | Lobo L./Sanchez J. | Randall D./Waite J. | 2:1 (7:5, 3:6, 6:3) | details | 20.02.1998 |
| 1/8-finals | Lobo L./Sanchez J. | Keil M./Middleton T. J. | 2:0 (6:3, 7:5) | details | 18.02.1998 |
Australia: Australian Open - Doubles - Main |
| Quarter-finals | Woodbridge T./Woodforde M. | Lobo L./Sanchez J. | 3:0 (6:3, 6:4, 7:61) | details | 29.01.1998 |
| 1/8-finals | Albano P./Corretja A. | Lobo L./Sanchez J. | 1:2 (4:6, 6:2, 8:10) | details | 26.01.1998 |
| 1/16-finals | Kempers T./Oosting M. | Lobo L./Sanchez J. | 1:2 (6:3, 3:6, 16:18) | details | 23.01.1998 |
| 1/32-finals | Siemerink J./Vacek D. | Lobo L./Sanchez J. | 0:2 (4:6, 2:6) | details | 19.01.1998 |
New Zealand: Auckland - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Grabb J./Reneberg R. | 1:2 (6:3, 4:6, 6:7) | details | 12.01.1998 |
Mexico: Mexico City - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Coupe B./Rosner P. | 1:2 (7:5, 6:7, 6:7) | details | 20.10.1997 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Vizner P./Wibier F. | Lobo L./Sanchez J. | 2:1 (6:7, 7:6, 7:6) | details | 06.10.1997 |
Italy: Palermo - Doubles - Main |
| Semi-finals | Lobo L./Sanchez J. | Kratzmann A./Pimek L. | 0:2 (3:6, 4:6) | details | 04.10.1997 |
| Quarter-finals | Lobo L./Sanchez J. | Alami K./Arazi H. | 2:0 (6:3, 6:0) | details | 01.10.1997 |
| 1/8-finals | Lobo L./Sanchez J. | Filippini M./Hrbaty D. | 2:1 (4:6, 6:1, 6:2) | details | 29.09.1997 |
Romania: Bucharest - Doubles - Main |
| Final | Lobo L./Sanchez J. | Davids H. J./Orsanic D. | 2:0 (7:5, 7:5) | details | 28.09.1997 |
| Semi-finals | Lobo L./Sanchez J. | Brandi C./Lapentti N. | 2:0 (7:5, 6:2) | details | 27.09.1997 |
| Quarter-finals | Lobo L./Sanchez J. | Kratzmann A./Pimek L. | 2:0 (6:4, 7:6) | details | 24.09.1997 |
| 1/8-finals | Lobo L./Sanchez J. | Smith R./Tarango J. | 2:0 (6:4, 6:3) | details | 22.09.1997 |
USA: US Open - Doubles - Main |
| 1/16-finals | Lobo L./Sanchez J. | Randall D./Waite J. | 0:2 (3:6, 6:7) | details | 29.08.1997 |
USA: Long Island - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Filippini M./Johansson T. | 1:2 (3:6, 6:4, 3:6) | details | 18.08.1997 |
USA: New Haven 2 - Doubles - Main |
| 1/8-finals | Lobo L./Sanchez J. | Meligeni F./Pereira N. | 1:2 (7:5, 4:6, 3:6) | details | 13.08.1997 |
Germany: Stuttgart - Doubles - Main |
| Semi-finals | Johnson D./Montana F. | Lobo L./Sanchez J. | 2:0 (6:4, 6:4) | details | 11.07.1997 |