USA: Amelia Island - Main
Quarter-finals Raymond L./Stubbs R. Cacic S./Pierce M. 2:0 (6:2, 6:4) details 09.04.1999
1/8-finals Cacic S./Pierce M. Adams K./Rubin C. 2:0 (7:66 , 6:3) details 07.04.1999
1/16-finals Panova T./Shaughnessy M. Cacic S./Pierce M. 0:2 (2:6, 5:7) details 05.04.1999
USA: US Open - Doubles - Main
1/32-finals Cacic S./Pierce M. Lugina O./Tatarkova E. 1:2 (6:4, 3:6, 2:6) details 02.09.1998
United Kingdom: Wimbledon - Doubles - Main
1/32-finals Cacic S./Pierce M. Barclay C./Guse K. 1:2 (7:66 , 3:6, 3:6) details 24.06.1998
France: French Open - Doubles - Main
1/32-finals Schett B./Schnyder P. Cacic S./Pierce M. 2:1 (64 :7, 6:3, 6:2) details 29.05.1998
Italy: Rome - Doubles - Main
1/16-finals Cacic S./Pierce M. Csurgo V./Yoshida Y. 1:2 (5:7, 7:5, 1:6) details 04.05.1998
USA: Amelia Island - Main
Final Cacic S./Pierce M. Schett B./Schnyder P. 2:1 (7:6, 4:6, 7:6) details 12.04.1998
Semi-finals Adams K./Bollegraf M. Cacic S./Pierce M. 0:2 (6:7, 3:6) details 11.04.1998
Quarter-finals Cristea C./Montalvo L. Cacic S./Pierce M. 1:2 (6:3, 2:6, 4:6) details 10.04.1998
1/8-finals Cacic S./Pierce M. Davenport L./Seles M. WO. details 08.04.1998
1/16-finals Cecchini S./Labat F. Cacic S./Pierce M. 0:2 (1:6, 2:6) details 06.04.1998