Dhaka, Oct. 12 -- Litton Das rode his luck to an unbeaten 81 as Bangladesh extended their lead over Afghanistan to a commanding 443 runs at lunch on the fourth day of the one-off Test in Abu Dhabi.

Bangladesh reached 337-6 after 98 overs in their second innings at the Sheikh Zayed Stadium, having resumed on 223-6 with a lead of 329 on Monday.

The visitors went through the morning session without losing a wicket, adding 114 runs as Litton and Mehidy Hasan Miraz frustrated Afghanistan's hopes of wrapping up the innings quickly.

Litton, who had been unbeaten on five overnight, led the charge with attacking batting and reached his second half-century of the match off 61 balls.

But the wicketkeeper-batsman needed plenty of luck along the w...