oliver ortmann (born 11 june 1967) is a german pool player from gelsenkirchen. ortmann is a three-time world champion, winning the 1995 wpa world nine-ball championship and both the 2007 and 2010 straight pool world championships. with 14 wins, he is one of the best players at the european pool championships. ortmann is the second to ralf souquet on the euro tour, winning 14 events. ortmann was the first player from europe to win the u.s. open straight pool championship, in 1989.