Italy's [ Images ] Roberto Rosetti will take charge of the opening match at the Confederations Cup between Argentina and Tunisia in Cologne on Wednesday.

FIFA [ Images ] named the referees and assistants for the first nine matches of the competition after a meeting of the referees committee in Frankfurt on Monday.

Carlos Amarilla of Paraguay will referee the evening match on the tournament's opening day, the showpiece clash between hosts Germany [ Images ] and outsiders Australia [ Images ] in Group A.

FIFA also announced on Monday that Markus Merk of Germany and Russia's [ Images ] Valentin Ivanov would not be officiating at the Confederations Cup. They will take charge of matches at the World Youth Championship in the Netherlands instead.

June 15:

Group A: Argentina v Tunisia, Cologne: Roberto Rosetti (Italy) Germany v Australia, Frankfurt: Carlos Amarilla (Paraguay)

June 16:

Group B: Japan [ Images ] v Mexico, Hanover: Matthew Breeze (Australia) Brazil [ Images ] v Greece, Leipzig: Lubos Michel (Slovakia)

June 18:

Group A: Tunisia v Germany, Cologne: Peter Prendergast (Jamaica) Australia v Argentina, Nuremberg: Shamsul Maidin (Singapore)

June 19:

Group B: Mexico v Brazil, Hanover: Mourad Daami (Tunisia) Greece v Japan, Frankfurt: Herbert Fandel (Germany)

June 21:

Group A: Australia v Tunisia, Leipzig: Carlos Chandia (Chile)