Pedzisa mutsara unotevera: Yamaguchi akakwikwidza paWorld Men's Curling Championships katanhatu mubasa rake. PaWorlds 2009 muMoncton, New Brunswick, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi neimwe mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi neimwe mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi neimwe mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi neimwe mumakwikwi; PaWorlds 2013 muVictoria, British Columbia, Canada, akatamba wechitatu wechikwata cheJapan, icho chakaiswa chegumi neimwe mumakwikwi; PaWorlds 2014 muVictoria, British Columbia, Canada, akatamba wechitatu pachikwata cheJapan, icho chakaiswa chegumi mumakwikwi.
2014 Worlds muBeijing, China, akatamba wechitatu nokuda chikwata Japanese, iyo akaisa wechishanu mumakwikwi; Panguva 2015 Worlds muna Halifax, Nova Scotia, Canada, akatamba wechitatu nokuda chikwata Japanese, iyo akaisa wechitanhatu mumakwikwi; Panguva 2016 Worlds muBasel, Switzerland, akatamba wechipiri nokuda chikwata Japanese, iyo akaisa wechina mumakwikwi; uye panguva 2017 Worlds muna Edmonton, Alberta, Canada, akatamba wechipiri nokuda chikwata Japanese, iyo akaisa rechinomwe mumakwikwi. Akatamba wechipiri weYusuke Morozumi rink uye akamiririra Japan kuma2018 Winter Olympics, achipedza ari pachinzvimbo chechisere.