Dee ihe na-aga n'ihu maka paragraf a - Osvald Nitski (amụrụ na Ọktoba 6, 1997 na Montreal) bụ onye bụbu onye Estonia na-egwu mmiri butterfly. O mebiela ihe ndekọ Estonia na igwu mmiri na 1500 mita freestyle, 400 mita onye medley, na 200 mita urukurubụba, na ndekọ Baltic na 1500 mita freestyle na 200 mita urukurubụba. Ọ gbaara obodo ya bọọlụ n'asọmpi European Championship nke afọ 2016
na Lọndọn. Ọ na-egwu mmiri maka ndị otu mahadum nke Toronto ma bụrụ onye mmeri Canada Interuniversity Sport ugboro abụọ na 2016. Ọ na-enwekwa obi ụtọ ide uri n'oge ọ na-enweghị ọrụ.