Here is a look at the result of the opening game for Sri Lanka at every Cricket World Cup since 1975.
1975- Sri Lanka 86 all out lost to West Indies 87/1 ( Old Trafford)
1979- Sri Lanka 189 all out lost to West Indies 190/1 (Trent Bridge)
1983- Pakistan 338/5 beat Sri Lanka 288/9 ( St Helen’s, Swansea)
1987- Pakistan 267/6 beat Sri Lanka 252 all out ( Niaz Stadium, Hyderabad)
1992- Zimbabwe 312/4 lost to Sri Lanka 313/7 (Pukekura Park, New Plymouth)
1996- Sri Lanka beat Australia ( walkover without a ball bowled) (Colombo)
1999- Sri Lanka 204 all out lost to England 207/2 (Lords)
2003- Sri Lanka 272/7 beat New Zealand 225 all out (Bloemfontein)
2007- Sri Lanka 321/6 beat Bermuda 78 all out (Port of Spain)
2011- Sri Lanka 351/5 beat Netherlands 195 all out ( Colombo)
2015- Sri Lanka 279/7 lost to South Africa 188/5 (Hagley Oval, Christchurch)
2019- Sri Lanka 239/8 lost to Australia 241/5 ( Southampton)