Whakaotihia te rerenga e whai ake nei: I eke a Chang ki tana whakataetae Olympic tuatahi, hei kaiwaiata taiohi rawa atu o Korea ki te Tonga (e 14 ona tau), i nga Orimipia Raumati 2000 i Sydney. I reira, kaore ia i eke ki nga hawhe whakamutunga i roto i tetahi o ana kaupapa takitahi, ka mutu i te wha tekau i te 100 m freestyle (58.77), me te wha tekau ma tahi i te
50 m kāhua wātea (26.88). I whakanohoia hoki e ia te tekau ma whitu, hei mema o te kapa Korea ki te Tonga, i te 4 × 100 m medley relay (4: 16.93).