LONDON, July 5 -- Pakistan will be on a mission impossible for a semifinal slot when they take on Bangladesh in their final World Cup group fixture at Lord's here on Friday (today). Pakistan, fifth in the table behind New Zealand who occupy the fourth and final knockout berth, have to bat first against Bangladesh and win by a margin of at least 316 runs to leapfrog the Kiwis on net run rate. "It is very difficult, 316 runs is a big margin. Only if you're batting first, if you score 600 runs or 500 runs," skipper Sarfraz Ahmed told reporters on Thursday. "I don't know what the study is behind this, but I can't do anything. definitely, we're interested in finishing on a high note. So we will try our best in tomorrow's match." Pakistan will ...