Semi-final Finishes By Mark Williams In All Professional 1 Events

Tournament
2022 European Masters
2022 World Championship
2021 Welsh Open
2021 Snooker Shoot Out
2020 Gibraltar Open
2018 Players Championship
2017 Riga Masters
2016 Riga Masters
2015 Indian Open
2015 Welsh Open
2014 International Championship
2012 Shanghai Masters
2011 World Championship
2010 World Open
2009 Grand Prix
2005 Irish Masters
2003 European Open
2002 British Open
2001 UK Championship
2001 European Open
2001 Welsh Open
1998 World Championship
1998 British Open
1997 Welsh Open