Wtorkowe statystyki
Wigan are unbeaten in the last three meetings, although they have won only one. Birmingham's last win was 1-0 at home in the Premier League in February 2010.
Wigan have never won at Birmingham in eight meetings in all competitions, drawing four and losing four.
Birmingham have lost their last four games, conceding 11 goals in the process.
They have kept only one clean sheet in their last 22 league games - in their 2-0 win at Charlton on 8 February.
Birmingham have not won any of their last 17 league games at home, losing 10. Their last home win in the Championship was 4-0 against Millwall at the start of October.
Wigan
Wigan have lost four of their last five games in all competitions, winning one. Their only win since 5 April was 3-0 against Reading at home on 18 April.
Wigan have not won any of their last three away games, losing two. Their last win on the road was 3-1 at Ipswich on 15 March.
Watford are unbeaten in the last four meetings at The Valley, winning the last two. Charlton's last home win was 2-1 in the old Division One in August 1995.
Charlton have won only one of their last five games, drawing one and losing three. Their only win since 8 April was 3-2 at Sheffield Wednesday on 21 April.
They have scored only 35 league goals so far this season - the fewest in the Championship.
Charlton have won only one of their last six home games, drawing one and losing four.
Watford have won only one of their last 18 away games in all competitions, drawing 10 and losing seven. Their only win on the road since October was 4-1 at Sheffield Wednesday on 29 March.
Bayern Munich have kept just one clean sheet in their last ten matches.
In five previous semi-finals meetings with Real Madrid the Germans have come out on top four times.