Sri Lanka piled up an enormous total of 704 for three as they heaped scoreboard pressure on Ireland on the fourth day of the second Test in Galle.
New Zealand beat Sri Lanka by six wickets in Friday's third one-day international, ending the visitors' hopes of qualifying directly for the World Cup this year.
Ireland slumped to a comprehensive 183-run defeat in their opening one-day international against rampant Bangladesh in Sylhet on Saturday.
Ireland have agreed to play a second Test match against Sri Lanka next month, replacing a pair of scheduled ODIs.