The 2017–18 Bangladesh Tri-Nation Series was a cricket tournament that took place in January 2018. It was a tri-nation series between Bangladesh, Sri Lanka and Zimbabwe, with all the matches played as One Day Internationals (ODIs). The Sher-e-Bangla National Cricket Stadium hosted all the matches, with each fixture starting at noon. The second ODI was the 100th to be played at the venue and in the third match, Bangladesh recorded their biggest win in ODIs, beating Sri Lanka by 163 runs.