 Ramba uchinyora ndima iyi - Yamaguchi akakwikwidza paWorld Mens Curling Championships katanhatu mubasa rake. PaWorlds 2009 muMoncton, New Brunswick, Canada, akatamba wechitatu wechikwata cheJapan, chakaisa chegumi mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, chakaisa gumi nerimwe mumakwikwi; PaWorlds 2014 muBeijing, China, akatamba wechitatu wechikwata cheJapan, chakaisa chechishanu mumakwikwi; PaWorlds 2015 muHalifax, Nova Scotia, Canada, akatamba wechitatu wechikwata cheJapan, chakaisa chechitanhatu mumakwikwi; PaWorlds 2016muBasel, Switzerland, akatamba wechipiri wechikwata cheJapan, icho chakaita chechina mumakwikwi; uye pa2017 Worlds muEdmonton, Alberta, Canada, akatamba wechipiri wechikwata cheJapan, icho chakaita chechinomwe mumakwikwi. Akatamba wechipiri weYusuke Morozumi rink uye akamiririra Japan kuma2018 Winter Olympics, achipedza ari pachinzvimbo chechisere. 