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

Tournament
2022 European Masters
2022 World Championship
2022 Masters
2021 Welsh Open
2021 Snooker Shoot Out
2020 Gibraltar Open
2019 6-Reds World Championship
2018 Players Championship
2017 Riga Masters
2016 Riga Masters
2016 Championship League
2016 Snooker Shoot Out
2015 European Tour - Event 4
2015 Indian Open
2015 Welsh Open
2015 Asian Tour - Event 3
2014 International Championship
2012 Shanghai Masters
2012 PTC - Event 1
2011 Premier League
2011 World Championship
2011 Championship League
2010 EPTC - Event 2
2010 World Open
2010 PTC - Event 4
2010 Masters
2009 Grand Prix
2005 Irish Masters
2004 Premier League
2003 Euro-Asia Masters Challenge
2003 European Open
2002 British Open
2002 Premier League
2001 UK Championship
2001 European Open
2001 Scottish Masters
2001 Irish Masters
2001 Welsh Open
2000 Scottish Masters
1999 Scottish Masters
1999 Millennium Cup
1999 Pontins Professional
1999 Premier League
1998 Malta Grand Prix
1998 World Championship
1998 British Open
1997 Welsh Open
1996 Malta Grand Prix
1993 Pontins Autumn Professional