Rubuta ci gaba don wannan sakin layi - Ba har zuwa 1998 ba ne Kenteris ya shiga cikin manyan wasannin kasa da kasa na farko, lokacin da ya dauki 9th wuri (semi finals) a duka 400 m (45.74) da 4 × 400 m relay (3:06.48) a gasar zakarun Turai ta 1998 a Budapest. Ya kuma ɗauki matsayi na 7 a gasar cin kofin duniya ta IAAF ta 1998 a Johannesburg, a tseren tseren mita 4 × 400 (3:03.95), wanda ke wakiltar ƙungiyar Turai. A cikin 1999, ya ci gaba ta hanyar lashe lambar zinare na 200 m (20.60) da 400 m (45.82) a gasar zakarun Turai ta 1999 a Athens. Nasararsa ta farko a Turai ita ce lokacin da ya lashe lambar tagulla na mita 400 a gasar cin kofin Turai ta 1999
a birnin Paris da lokacin 45.66. Duk da yake an cire Kenteris a tseren mita 400 na gasar zakarun duniya na cikin gida, ya dawo a wannan bazarar a matsayin mai tseren mita 200 a Gasar Zakarun Duniya na waje a Seville. Kenteris ya lashe zagayensa na # 5, inda ya kayar da Maurice Greene mai rikodin duniya na mita 100, amma bai fara wasan kusa da na karshe ba saboda rauni. A shekara mai zuwa, Kenteris ya lashe lambar zinare ta 4 × 100 m (40.46) a gasar zakarun Turai ta 2000 a Athens, da kuma lambar azurfa ta 4 × 100 m (38.67) da tagulla na 200 (20.48) a gasar cin kofin Turai ta 2000 a Gateshead.