Kammala wannan jumla: Michalak ya fara bugawa Toulouse wasa a shekarar 1998. Ya kasance memba na tawagar da ta lashe gasar zakarun Faransa a 2001 da Heineken Cup a 2003 da 2005. Michalak ya fara bugawa Faransa wasa a ranar 10 ga Nuwamba 2001 da Afirka ta Kudu kuma ya zama na yau da kullun a bangaren Faransa. An zaɓe shi a matsayin memba na ƙungiyar don gasar Rugby ta Duniya ta 2003 a Ostiraliya da Rugby World Cup 2007 a Faransa. Michalak ya kuma kasance wani ɓangare na Six Nations Faransa Grand Slam masu cin nasara a 2004 da kuma zakarun
Shekarar 2006.