The 2018–19 Davao Occidental Tigers season was the inaugural season of the franchise in the Maharlika Pilipinas Basketball League (MPBL).
[1] The Tigers had a slow start, beginning the season 2–3, before winning 18 of the remaining 20 games, which included a 13-game winning streak.
In the playoffs, they first swept both Cebu City and Bacoor City before beating the defending champion Batangas City Athletics in a three-game South Division finals series to face the San Juan Knights in the national finals.
Both teams alternated wins in the series, with the Tigers winning in game 4 to force a deciding game 5.
Davao Occidental's championship hopes ended after a late push by San Juan took their lead, losing the series in five games.