Mezue ahịrịokwu na-esonụ: Na 1998 World Aquatics Championships na Perth, Western Australia, Australia Wouda ghọrọ onye mmeri ụwa na 200 m onye medley ma merie ọlaọcha ọlaọcha abụọ na 400 m onye medley na 4 × 200 m freestyle relay n'akụkụ Van den Hoogenband, Van der Zijden na Zuijdweg. N'ọnwa Eprel 1999 na asọmpi asọmpi FINA World Swimming Championships (25 m) na Hong Kong, China Wouda meriri nrite anọ. Ọ ghọrọ onye mmeri ụwa na 4 × 200 m freestyle n'akụkụ Pieter van den Hoogenband, Johan Kenkhuis na Martijn Zuijdweg. O meriri ọla ọcha na 400 m onye medley na 4 × 100 m freestyle ọnụ na Mark Veens, Johan Kenkhuis na Pieter van den Hoogenband, na 200 m onye medley o meriri ọla nchara. N'oge okpomọkụ nke 1999, Wouda sonyere na
1999 European Aquatics Championship na Istanbul, Turkey. O ji ihe ịga nke ọma gbachitere aha ya na 200 m n'otu n'otu ma merie aha ndị na-agba ọsọ na 4 × 100 m freestyle, na Kenkhuis, Veens na van den Hoogenband, na 4 × 100 m medley na Klaas-Erik Zwering, Stefan Aartsen na van den Hoogenband. O ritekwara ọla nchara n'asọmpi 400 m.