Top seed Italy’s Lorenzo Buzzi was knocked out in his first match to one of the lowest seeds in the competition, United States' Benjamin Bratton in a 15-5 defeat. 

Second seed Jesus Limardo of Venezuela suffered a similar fate after losing his opening match to Ma Seg-eon of South Korea too. 

Third seed Elmir Alimzhanov of Kazakhstan lost his opening match to Ukraine’s Anatolii Herey who is the lowest seed in the last 64 at 126 after going on to beat Ayman Fayez in Egypt.

Fourth seed, Austria's Josef Mahringer would be the only one of the top four to survive his opening match, but would lose to number 68, Russia's Pavel Sukhov in the last 128. 

Romain Cannone of France is the top seed still left in the competition as number five after wins over Japan’s Kosuke Ninomiya and China’s Liu Yongchuang.

Number seven An Sung-ho in South Korea is also through to the final 64 after defeating Houssam Elkord and fellow South Korean Jung Seung-ho.

Sixth seed Lukas Bellmann was also knocked out by Switzerland’s Bruce Brunold in the last 64 as was number 10, Estonia’s Peeter Turnau, who was eliminated in the same round after losing to 74^th seed Gabriele Cimini of Italy.

Number 11 Yu Lefan of China has knocked out by his team-mate Wang Zijie, 118^th seed and one of the lowest seeds left in the competition.

Israel’s number 12 Yuval Shalom Freilich was also knocked out in the round of 64 and joined Russians Oleg Knysh, Georgiy Bruev, Vadim Anokhin and Dmitriy Gusev and Spain’s Alvaro Ibanez all being top 20 players who were knocked out.

Going into the final 64, where the 32 highest-ranked players will join the fold, only seven of the top 20 seeds from the early rounds remain ahead of the second day of competition in British Columbia.