2014 Hokuriku 9-Ball Open 2012 Hokkaido 9-Ball Open 2011 Hokuriku 9-Ball Open 2010 Hokuriku 9-Ball Open 2007 Hokuriku 9-Ball Open References External links Naoyuki Ōi at azbilliards.com Naoyuki Ōi at kozoom.com Naoyuki Ōi at the European Pocket Billiard Federation 1983 births Japanese pool players Living people 21st-century Japanese people