Jack Lisowski (born 25 June 1991) is an English professional snooker player. He turned professional in 2010, by finishing first in the 2009/2010 PIOS rankings.
In the 2008/2009 season he was runner-up in the sixth event of International Open Series to Xiao Guodong, and finished 23rd in the rankings. In 2009, Lisowski was awarded the inaugural Paul Hunter Scholarship, which would allow him to practise with professional players. At the time he was suffering from cancer, and was in remission from Hodgkin's lymphoma.
Overcoming his illness Lisowski competed in the PIOS for the 2009/2010 season. He won the first and eighth event of the International Open Series and finished first in the rankings and so received a place on the 2010/2011 professional Main Tour.
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