Apr 1-2 - FOOTBALL - Tennent's Scottish Cup semi-finals.

Apr 1-2 - RUGBY UNION - Heineken Cup quarter-finals.

Apr 1-2 - ATHLETICS - World Cross-Country Championships, Fukuoka.

Apr 2 - FOOTBALL - LDV Vans Trophy Final.

Apr 2 - FORMULA ONE - Australian Grand Prix, Melbourne.

Apr 2 - MOTOR SPORT - A1GP, Shanghai, China.

Apr 2 - BASEBALL - Major League season begins.

Apr 3 - CRICKET - India v England third ODI, Goa

Apr 4-5 - FOOTBALL - Champions League quarter-final second leg.

Apr 6 - FOOTBALL - UEFA Cup quarter-final second leg.

Apr 6 - CRICKET - India v England fourth ODI, Cochin.

Apr 6-9 - GOLF - The US Masters, Augusta.

Apr 7-9 - TENNIS - Davis Cup quarter-finals.

Apr 7-9 - RALLYING - Tour of Corsica.

Apr 8 - HORSE RACING - John Smith's Grand National, Aintree.

Apr 8 - MOTORCYCLING - MotoGP, Qatar.

Apr 9 - CRICKET - India v England fifth ODI, Guwahati.

Apr 9 - RUGBY UNION - Powergen Cup final, Twickenham.

Apr 9 - BASKETBALL - BBL regular season ends.

Apr 12 - CRICKET - India v England sixth ODI, Jamshedpur.

Apr 13-16 - CYCLING - World Track Championships, Bordeaux.

Apr 15 - CRICKET - India v England seventh ODI, Indore.

Apr 15-May 1 - SNOOKER - World Championship, Sheffield.

Apr 18 - CRICKET - County Championship season starts.

Apr 18 - ICE HOCKEY - NHL regular season ends.

Apr 18-19 - FOOTBALL - Champions League semi-final first leg.

Apr 18-20 - HORSE RACING - Craven Meeting, Newmarket.

Apr 19 - BASKETBALL - NBA regular season ends.

Apr 20 -FOOTBALL - UEFA Cup semi-finals first legs.

Apr 22 - FOOTBALL - FA Cup semi-finals.

Apr 22 - BASKETBALL - NBA play-offs start.

Apr 22 - HORSE RACING - Gala Casinos Daily Record Scottish Grand National, Ayr.

Apr 22-23 - RUGBY UNION - Heineken Cup and European Challenge Cup semi-finals.

Apr 22-23 - TENNIS - Fed Cup 1st round.

Apr 23 - FORMULA ONE - San Marino Grand Prix, Imola.

Apr 23 - ATHLETICS - Flora London Marathon.

Apr 23 - MOTORCYCLING - World Superbikes, Valencia.

Apr 25-26 FOOTBALL - Champions League semi-final second leg.

Apr 27 -FOOTBALL - UEFA Cup semi-final second leg.

Apr 28-30 - RALLYING - Rally Argentina.

Apr 29 - HORSE RACING - Betfred Golf Cup, Sandown.

Apr 30 - FOOTBALL - Coca-Cola Football League Championship final day.

Apr 30 - HORSE RACING - 1000 Guineas, Newmarket.

Apr 30 - MOTORCYCLING - MotoGP, Istanbul.

Apr 30 - BASKETBALL - BBL Championship play-off final, National Indoor Arena, Birmingham.