Uzbekistan: Tashkent - Doubles - Main
Semi-finals Boutter J./Hrbaty D. Schalken S./Siemerink J. 2:1 (4:6, 6:3, 6:4) details 15.09.2001
Quarter-finals Schalken S./Siemerink J. Schuttler R./Youzhny M. 2:1 (4:6, 7:5, 7:6) details 12.09.2001
1/8-finals Schalken S./Siemerink J. Behr N./Levy H. 2:1 (6:7, 6:0, 6:3) details 10.09.2001
Netherlands: Hertogenbosch - Doubles - Main
1/8-finals Siemerink J./Schalken S. Pavel A./Trifu G. 0:2 (614 :7, 3:6) details 20.06.2000
USA: US Open - Doubles - Main
1/32-finals Florent A./MacPherson D. Schalken S./Siemerink J. 2:1 (6:4, 64 :7, 7:66 ) details 01.09.1999
USA: Indianapolis - Doubles - Main
1/16-finals Siemerink J./Schalken S. Bryan B./Bryan M. 0:2 (3:6, 4:6) details 16.08.1999
USA: US Open - Doubles - Main
1/32-finals Schalken S./Siemerink J. Sell M./Witt D. 1:2 (7:6, 6:7, 6:7) details 27.08.1997
USA: New Haven 2 - Doubles - Main
1/16-finals Siemerink J./Schalken S. Norman M./Prinosil D. 0:2 (4:6, 4:6) details 11.08.1997
Croatia: Zagreb - Doubles - Main
Semi-finals Haygarth B./Keil M. Siemerink J./Schalken S. 2:0 (6:3, 7:6) details 01.02.1997
Quarter-finals Siemerink J./Schalken S. Oresic G./Tudor M. 2:0 (6:2, 7:5) details 29.01.1997
1/8-finals Siemerink J./Schalken S. Kempers T./Nijssen T. 2:0 (6:4, 6:4) details 27.01.1997