Kammala jumla mai zuwa: Thomas ya fara buga wasan farko na Wales a ranar 10 ga Yuni 2001 a kan Japan, kuma an rufe shi a wasu lokuta shida a wannan shekarar. Daga nan sai ya taka leda a
2002 Six Nations, tare da buga Wasannin Gwaji da Afirka ta Kudu da Romania. An rufe shi sau shida a shekara ta 2003, ciki har da Kasashen shida. Ya buga wasanni biyu na gwaji a kan Argentina a watan Yunin 2006.