 Ramba uchiverenga ndima iyi - Gore iroro, Su akakwanisa kupinda mumakwikwi e2015 IAAF World Championships ayo akaitirwa munyika yake yekuChina. Musi wa22 Nyamavhuvhu 2015, Su akamhanya mukutanga kupisa kwekutanga kutenderera kwemamita zana achipedza wechipiri kuseri kwaAsafa Powell mumasekondi 10.03. Zuva rakatevera racho, akakwikwidzwa mumutambo wokutanga wehafu-yemagumo achipesana nomutambi ari kutsigiraUsain Bolt. Su akapedza ari pachinzvimbo chechina aine nguva yemasekonzi 9.986 achibatanidza nguva yaJimmy Vicaut muhafu yekupedzisira yechitatu; sezvo vaive vakaenzana kwenguva yechisere inokurumidza, ivo vaviri vakapinda mufainari, vachimaka wekutanga-munhu mapfumbamwe ekupedzisira munhoroondo yeWorld Championship. Su akabva apinda mumakwikwi ekupedzisira, achipedza ari wechi9 aine nguva yemasekonzi 10.06. Su akazova mutambi wekutanga akazvarwa kuAsia kumhanya mumakwikwi e100 m World Championship. 