The 1991 Senior League World Series took place from August 11–17 in Kissimmee, Florida, United States. Pingtung, Taiwan defeated Pearl City, Hawaii twice in the championship game. It was Taiwan's fourth straight championship.

Teams United States International St. Cloud, FloridaDistrict 3Host LaSalle, OntarioCanada Fort Wayne, Indiana Central Ramstein, Germany Europe Newark, New JerseyEast Pingtung, TaiwanFar East Brandon, FloridaSouth Yabucoa, Puerto Rico Latin America Pearl City, HawaiiWest

Results

Winner's Bracket

Loser's Bracket

Placement Bracket

Elimination Round

1991 Senior League World Series ChampionsPingtung, Taiwan

References