 | |
| Tournament details | |
|---|---|
| Dates | August 15–August 24 |
| Teams | 16 |
| Final positions | |
| Champions | Musashi-Fuchu Little League Tokyo, Japan |
| Runners-up | East Boynton Beach Little League Boynton Beach, Florida |
The 2003 Little League World Series took place between August 15 and August 24 in South Williamsport, Pennsylvania. The Musashi-Fuchu Little League of Tokyo, Japan, defeated the East Boynton Beach Little League of Boynton Beach, Florida, in the championship game of the 57th Little League World Series.
The following LLWS players later appeared in Major League Baseball (MLB):
| Player | LLWS team | MLB debut year & team |
|---|---|---|
| Randal Grichuk | Richmond, Texas | 2014 St. Louis Cardinals |
| Brady Rodgers | 2016 Houston Astros | |
| Jonathan Schoop | Curaçao | 2013 Baltimore Orioles |
| Devon Travis | Boynton Beach, Florida | 2015 Toronto Blue Jays |
Between five and twelve qualification games took part in 16 regional qualification tournaments, which varied in format depending on region. In the United States, the qualification tournaments were in the same format as the Little League World Series itself: a round-robin tournament followed by an elimination round to determine the regional champion.
| Pool A | Pool B | Pool C | Pool D |
|---|---|---|---|
| Boynton Beach, Florida Southeast East Boynton Beach Little League |  Wilmington, Delaware Mid-Atlantic Naamans Little League |   Willemstad, Curaçao Caribbean Pabao Little League |  Hagåtña, Guam Pacific Central Little League |
 Saugus, Massachusetts New England Saugus American Little League |  Eldridge, Iowa Midwest North Scott Little League |   Glace Bay, Nova Scotia Canada Glace Bay Little League |  Valencia, Venezuela Latin America Los Leones |
 Tallmadge, Ohio Great Lakes Tallmadge Little League |  Chandler, Arizona West Chandler National Little League | Tokyo, Japan Asia Edogawa Minami |  Nuevo Laredo, MexicoMexico Oriente |
 Richland, Washington Northwest Richland National Little League |  Richmond, Texas Southwest Lamar Little League |  Dhahran, Saudi ArabiaTransatlantic Arabian-American |  Moscow, RussiaEurope, Middle East and Africa (EMEA) Brattevo |
The top two teams in each pool moved on to their respective semifinals. The winners of each met on August 24 to play for the Little League world championship.
| Region | Record |
|---|---|
| New England | 3-0 |
| Southeast | 2-1 |
| Great Lakes | 1-2 |
| Northwest | 0-3 |
| Region | Record |
|---|---|
| West | 3-0 |
| Southwest | 2-1 |
| Mid-Atlantic | 1-2 |
| Midwest | 0-3 |
August 15
| New England | 2-1 | Great Lakes |
| Southeast | 8-1 | Northwest |
August 16
| Southwest | 7-2 | Midwest |
| Mid-Atlantic | 1-5 | West |
August 17
| Great Lakes | 2-7† | Southeast |
| West | 10-4 | Southwest |
| Northwest | 1-2 | New England |
| Midwest | 7-8 | Mid-Atlantic |
August 18
| Northwest | 4-5 | Great Lakes |
| New England | 4-3 | Southeast |
August 19
| Southwest | 7-1 | Mid-Atlantic |
| West | 8-7 | Midwest |
| Region | Record |
|---|---|
| Japan | 3-0 |
| Caribbean | 2-1 |
| Transatlantic | 1-2 |
| Canada | 0-3 |
| Region | Record |
|---|---|
| Latin America | 3-0 |
| Mexico | 2-1 |
| EMEA | 1-2 |
| Pacific | 0-3 |
August 15
| Caribbean | 1-4 | Asia |
August 16
| Latin America | 9-0 | Pacific |
| EMEA | 1-2 | Mexico |
August 17
| Transatlantic | 3-2† | Canada |
| EMEA | 2-0 | Pacific |
August 18
| Caribbean | 9-2† | Transatlantic |
| Pacific | 3-11 | Mexico |
| Latin America | 7-1 | EMEA |
| Asia | 7-0 | Canada |
August 19
| Latin America | 6-2 | Mexico |
| Asia | 17-0‡ (4 innings) | Transatlantic |
| Caribbean | 2-1 | Canada |
| Quarter-finals | Semi-finals | Final | ||||||||
| August 20 - Lamade | ||||||||||
| Altagracia, Zulia, Venezuela | 0 | |||||||||
| August 23 - Lamade | ||||||||||
| Willemstad, Curaçao | 10 | |||||||||
| Willemstad, Curaçao | 6 | |||||||||
| August 21 - Lamade | ||||||||||
| Tokyo, Japan | 14 | |||||||||
| Tokyo, Japan | 7 | |||||||||
| August 24 - Lamade | ||||||||||
| Mexico City | 1 | |||||||||
| Tokyo, Japan | 10 | |||||||||
| August 20 - Lamade | ||||||||||
| Boynton Beach, Florida | 1 | |||||||||
| Chandler, Arizona | 1 | |||||||||
| August 23 - Lamade | ||||||||||
| Boynton Beach, Florida | 4 | |||||||||
| Boynton Beach, Florida | 9 | |||||||||
| August 21 - Lamade | ||||||||||
| Saugus, Massachusetts | 2 | Third place | ||||||||
| Saugus, Massachusetts | 14 | |||||||||
| August 24 - Volunteer | ||||||||||
| Richmond, Texas | 13 | |||||||||
| Saugus, Massachusetts | 1 | |||||||||
| Willemstad, Curaçao | 5 | |||||||||
| 2003 Little League World Series Champions |
|---|
 Musashi-Fuchu Little League Tokyo, Japan |