<prompt> Ngwala tšwetšopele ya serapa se - Ivan Usov yo a belegwego ka di 7 tša Oktoboro 1977 ke moatlelete wa go rutha ka mokgwa wa go rutha wa go rutha wa go tšwa Russia. O thopile sefoka sa gauta ka 4×100 freestyle relay ka 2003 World Aquatics Championships le sefoka sa silifera ka 4×100 freestyle ka 2004 European Championships  <response>: kua Madrid. O ile a emela naga ya gabo dipapading tša Diolimpiki tša Selemo tša 2004 kua Athene, moo a ilego a rutha ka gare ga dithempheretšha tša pele tša 4 × 100 m freestyle. 