Both npower Championship Play-Off semi-finals first legs are live on TV this week which should make interesting viewing for the neutrals as four clubs clamber for promotion to the top flight.

First up on Thursday night Cardiff City play host to West Ham United with a 7.45pm kick-off. The Bluebirds ended the season 11 points behind the Hammers in the table but league position means very little when the Play-Offs come around.

City ended the season in fine form remaining undefeated in their last 10 matches - helping them to end the campaign in sixth spot, five points ahead of seventh-placed Middlesbrough. This solid form could leave West Ham boss Sam Allardyce harbouring concerns going into the match against a team that has lost just five times at home this season.

The Hammers missed out on automatic promotion by two points, but also ended the regular season with four wins in six games - losing just one of the last 18 to wind up third and that has left them to face the unpredictable nature of the Play-Offs.

This is the first meeting between the clubs in the Play-Offs but they have faced each other 49 times over 92 years with West Ham winning 25 and Cardiff nine. Interestingly this season the league fixtures between the sides ended in both away wins as Cardiff picked up a 1-0 victory at the Boleyn Ground and the Hammers won 2-0 at the Cardiff City Stadium.

The second match live on TV this week is a Friday night encounter between two former Premier League clubs as Blackpool open their doors to Birmingham City for a 7.45pm kick-off.

Each team is looking for an immediate return to the top-flight after experiencing almost identical seasons as they both won 20 matches each. The only difference is that Birmingham drew one more game than Blackpool giving them the slight edge in the table on 76 points - and that gave them the benefit of home advantage in the second leg.

But as we all know the total points count means very little at this crucial stage; form is the real indicator. The Tangerines are undefeated in their last seven games but the Blues have have gone two better. They haven't lost in nine and have picked up 10 points out of their last six matches.

Blackpool have been a little more consistent picking up 14 points out of a possible 18 and have proved to be no pushovers themselves avoiding defeat in their last seven matches. To make matters a little more complicated for the visitors, Ian Holloway's men have lost just three times at Bloomfield Road this season.

One thing is for certain is that these teams like scoring goals against each other. Earlier in the season the teams fought out an exciting 2-2 draw at Bloomfield Road while Birmingham ran out convincing 3-0 winners at St Andrews in January.

But with so much to play for over the two legs it could well be a much tighter affair come Friday.

For the full list of televised games please click here