Baseball at the 2003 Pan American Games
Cuba retained the Pan American Games baseball title, with its ninth consecutive gold medal at the 2003 Pan American Games in Santo Domingo, Dominican Republic.
Tournament
The competition had nine teams divided in two groups. In each group, each team played against all others once and the eight best records advanced to the quarterfinals. The best team from Group A played the lowest ranked team from Group B and vice versa. Ties within a group were broken by the team allowing the least number of runs passing to the knockout round.
Preliminary round
Group A
| Team | Pld | W | L | RF | RA | Pct |
|---|---|---|---|---|---|---|
 Mexico |
3 | 2 | 1 | 0.667 | ||
 Cuba |
3 | 2 | 1 | 0.667 | ||
 Brazil |
3 | 1 | 2 | 0.333 | ||
 Panama |
3 | 1 | 2 | 0.333 | ||
Group B
| Team | Pld | W | L | RF | RA | Pct |
|---|---|---|---|---|---|---|
 Nicaragua |
4 | 4 | 0 | 1.000 | ||
 USA |
4 | 3 | 1 | 0.750 | ||
 Dominican Republic |
4 | 2 | 2 | 0.500 | ||
 Guatemala |
4 | 1 | 3 | 0.250 | ||
 Bahamas |
4 | 0 | 4 | 0.000 | ||
Knockout round
| Quarter-finals | Semi-finals | Final | ||||||||
| 8 August | ||||||||||
| Mexico |
6 | |||||||||
| 9 August | ||||||||||
| Guatemala |
0 | |||||||||
| Mexico |
2 | |||||||||
| 8 August | ||||||||||
| USA |
3 | |||||||||
| Brazil |
0 | |||||||||
| 10 August | ||||||||||
| USA |
7 | |||||||||
| USA |
1 | |||||||||
| 8 August | ||||||||||
| Cuba |
3 | |||||||||
| Cuba |
10 | |||||||||
| 9 August | ||||||||||
| Dominican Republic |
0 | |||||||||
| Cuba |
2 | Third place | ||||||||
| 8 August | ||||||||||
| Nicaragua |
1 | |||||||||
| Panama |
2 | Mexico |
6 | |||||||
| Nicaragua |
5 | Nicaragua |
2 | |||||||
| 10 August | ||||||||||
