Category A
- Duo Anelli – Bartoletti (Italy)
- Duo Aurian (Italy)
- Duo Bass – Koblyakov (France – United States)
- Duo Gjuzi – Gambaro (Italy)
- Duo Hoffmann – Meipariani (Germany)
- Duo Ludwig (Italy)
- Duo Meraki (Italy)
- Duo Novâme (France – Russia)
- Duo Piug – Piccotti (Spain – Italy)
- Duo Rouinvy – Errera (France)
- Duo Tanichev – Bulayev (Latvia)
- Uśil Duo (Ukraine – Japan)
Category B
13. Duo Phoné (Italy)
Category C
14. Duo BeKars (Latvia)
15. Duo Bogazzi – Margheri (Italy)
16. Duo Maliboshka – Righi (Belarus – Italy)
17. Duo Pantani – Stefanelli (Italy)
18. Duo Parthenope (Italy)
19. Duo Rotonde (Svizzera)
20. Duo Ruggiero – Dalpiaz (Italy)
21. Duo Tirro – Tamburini (Italy)
22. Sonas Duo (Italy)
Category D
23. Alpenrose Trio (Australia – Polond)
24. Amelio Trio (Germany) > Directly to the Semi-final Round
25. Ares Trio (Italy – New Zealand)
26. Chloé Piano Trio (Romania – Netherlands)
27. Lark Piano Trio (Scotland – United States)
28. Paddington Trio (United States – Finland – Ireland)
29. Pasio Trio (Albania)
30. Susato Trio (Ukraine – Belgium – United States)
31. Trio Casella (Ireland – Italy – England)
32. Trio Chimera (Italy)
33. Trio Delyria (Israel)
34. Trio Fenice (Italy)
35. Trio Goldmund (China – Russia – Germany)
36. Trio Hermes (Italia)
37. Trio Mikrokosmos (Hungary)
38. Trio Nebelmeer (France)
39. Trio Parhélie (France)
40. Trio Parrhèsia (France)
41. Trio Rinaldo (Italy)
42. Trio Sheliak (Italy)
43. Trio Verso Armonico (Italy)
44. Trio Zalktis (Latvia)
45. Trio Zeliha (Cuba – France)
Category E
46. Arthur Piano Quartet (Italy)
47. Euphorie Quartet (Germany – Japan – Poland)
