Bangladesh's Mushfiqur Rahim, right, celebrates his century as captain Najmul Hossain Shanto watches during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Bangladesh's Mushfiqur Rahim celebrates his century during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Bangladesh's captain Najmul Hossain Shanto celebrates his century during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Bangladesh's Mushfiqur Rahim plays a shot during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Bangladesh's captain Najmul Hossain Shanto plays a shot during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Bangladesh's captain Najmul Hossain Shanto celebrates his fifty runs during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Sri Lanka's Tharindu Ratnayake preparers to bowl during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Sri Lanka's Tharindu Ratnayake, second left, celebrates the wicket of Bangladesh's Mominul Haque, right, during the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.

Sri Lanka's Angelo Mathews who is playing his career last cricket test match walks under an arch of bats at the start of the first cricket test match between Sri Lanka and Bangladesh in Galle , Sri Lanka.

Bangladesh's team members stand for their national anthem before the first day of the first cricket test match between Sri Lanka and Bangladesh in Galle, Sri Lanka.