| Result | Tournament |
|---|---|
| George Marter defeated James Welsh | 2011 Q School - Event 3 Snooker |
| Luke Simmonds defeated James Welsh | 2011 Q School - Event 2 Snooker |
| David Gilbert defeated James Welsh | 2011 Q School - Event 1 Snooker |
| James Welsh defeated Shahbaaz Khan | 2011 Q School - Event 1 Snooker |
| Mitchell Mann defeated James Welsh | 2011 PTC - Event 8 Snooker |
| Sam Harvey defeated James Welsh | 2011 PTC - Event 7 Snooker |
| James Welsh defeated Brent Kolbeck | 2011 PTC - Event 7 Snooker |
| Yu Delu defeated James Welsh | 2011 PTC - Event 4 Snooker |
| James Welsh defeated Graeme Dott | 2011 PTC - Event 4 Snooker |
| James Welsh defeated Christian Ozim | 2011 PTC - Event 4 Snooker |
| James Welsh defeated Zen Beechey | 2011 PTC - Event 4 Snooker |
| Graeme Dott defeated James Welsh | 2011 PTC - Event 3 Snooker |
| Stephen Craigie defeated James Welsh | 2011 PTC - Event 2 Snooker |
| Nick Jennings defeated James Welsh | 2011 PTC - Event 1 Snooker |
| Liu Chuang defeated James Welsh | 2010 EPTC - Event 2 Snooker |
| James Welsh defeated Pascal Raes | 2010 EPTC - Event 2 Snooker |
| Greg Batten defeated James Welsh | 2008 PIOS - Event 8 Snooker |
| James Welsh defeated Michael Wasley | 2008 PIOS - Event 8 Snooker |
| Lewis Roberts defeated James Welsh | 2008 PIOS - Event 7 Snooker |
| Hugh Abernethy defeated James Welsh | 2008 PIOS - Event 6 Snooker |
| Gary Wilkinson defeated James Welsh | 2007 PIOS - Event 8 Snooker |
| James Welsh defeated Greg Batten | 2007 PIOS - Event 8 Snooker |
| Kuldesh Johal defeated James Welsh | 2007 PIOS - Event 7 Snooker |
| James Welsh defeated David Fomm-Ward | 2007 PIOS - Event 7 Snooker |
| Robbie Williams defeated James Welsh | 2007 PIOS - Event 6 Snooker |
| Paul Davison defeated James Welsh | 2007 PIOS - Event 5 Snooker |
| James McBain defeated James Welsh | 2007 PIOS - Event 5 Snooker |
| Ian Ali defeated James Welsh | 2007 PIOS - Event 4 Snooker |
| James Welsh defeated Gavin Lomax | 2007 PIOS - Event 4 Snooker |
| Andy Lee defeated James Welsh | 2007 PIOS - Event 4 Snooker |
| James Welsh defeated Jamie O'Neill | 2007 PIOS - Event 4 Snooker |
| Andrew Pagett defeated James Welsh | 2007 PIOS - Event 3 Snooker |
| Lasse Munstermann defeated James Welsh | 2007 PIOS - Event 2 Snooker |
| Hugh Abernethy defeated James Welsh | 2007 PIOS - Event 1 Snooker |
| Gavin Pantall defeated James Welsh | 2006 PIOS - Event 7 Snooker |
| John Sutton defeated James Welsh | 2006 PIOS - Event 6 Snooker |
| Adam Davies defeated James Welsh | 2006 PIOS - Event 3 Snooker |
| James Welsh defeated Reanne Evans | 2006 PIOS - Event 3 Snooker |
| James Welsh defeated Shefieq Khan | 2006 PIOS - Event 3 Snooker |
| Kris Vincent defeated James Welsh | 2006 PIOS - Event 2 Snooker |
| Munraj Pal defeated James Welsh | 2006 PIOS - Event 1 Snooker |
| Brendan O'Donoghue defeated James Welsh | 2005 World Championship Snooker |
| Jimmy Robertson defeated James Welsh | 2005 PIOS - Event 5 Snooker |
| Gyles Behbood defeated James Welsh | 2005 PIOS - Event 4 Snooker |
| Andy Lee defeated James Welsh | 2005 PIOS - Event 3 Snooker |
| James Welsh defeated Waheed Khan | 2005 PIOS - Event 3 Snooker |
| Matthew Lee defeated James Welsh | 2005 PIOS - Event 1 Snooker |
| Wayne Townsend defeated James Welsh | 2004 World Championship Snooker |
| Robert James defeated James Welsh | 2003 World Championship Snooker |
| James Welsh defeated Steven Bennie | 2003 World Championship Snooker |