The 22 Heineken Cup semi-finals played so far have been watched by 568,510 fans – an average attendance for each of those semi-finals of 25,841….read more facts.

 The 2003 / 2004 semi-finals had the greatest combined attendance of 82,500 when the ties were played at Lansdowne Road (Munster v London Wasps, 48,500) and at Stade Chaban-Delmas in Bordeaux (Toulouse v Biarritz Olympique, 34,000).
 That Munster v London Wasps attendance is the tournament record for a semi-final.
 The only semi-final requiring extra time was the 1998 all-French clash between Toulouse and Brive. Toulouse lost that one on a try count.
 The 2006 / 2007 semi-finalists have a total of eight previous semi-final appearances between them. The tally is made up of Leicester Tigers (four), Llanelli Scarlets (two) and London Wasps and Northampton Saints (one each).
 Irish referees Alain Rolland and Alan Lewis are no strangers to semi-final action. Rolland will be refereeing his third semi-final and Lewis his second.
 The highest score in a semi-final has been the 37 points scored by Leicester Tigers against Toulouse in 1997 and the 37 points scored by London Wasps against Munster in 2004.
 The biggest winning margin has been 27 points, when Toulouse beat Swansea 30-3 in 1996.
 Two clubs have scored five tries in a semi-final, Leicester Tigers against Toulouse 1997 and London Wasps against Munster in 2004.
 Only one of the 22 semi-finals has failed to produce a try – Biarritz Olympique’s 18-9 win over Bath Rugby in San Sebastian a year ago.