1st Siam International Piano Competition:
1. Jerzy Sterczynski (Poland)

2. Stefano Ragni (Italy)

3. Einar Steen-nokleberg (Norway)

2nd Siam International Piano Competition:

1. Patrizio Cerrone (Italy)

2. Stefan Bojsten (Sweden)

3. Murray Maclachlan (UK)

3rd Siam international Piano Competition

1. Eri Nakagawa (Japan)

2. William Fong (UK)

3. Anna Jastrezebska-quinn (Poland)

4th Siam International Piano Competition:

1. Stefano Giavazzi (Italy)

2. Konrad Skolarski (Poland)

3. Eitan Globerson (Israel)