Pool 1 of the Second Round of the 2009 World Baseball Classic was held at Petco Park, San Diego, California, United States from March 15 to 19, 2009.
Like the first round, Pool 1 was a modified double-elimination tournament. The final two teams played against each other for seeding and both advanced to the semifinals.
| Preliminaries | Qualifiers | Seeding | |||||||||||
| AR |  Japan | 6 | |||||||||||
| BW |  Cuba | 0 | |||||||||||
| W1 | Japan | 1 | |||||||||||
| W2 |  South Korea | 4 | |||||||||||
| BR |  Mexico | 2 | |||||||||||
| AW | South Korea | 8 | |||||||||||
| W4 | South Korea | 2 | |||||||||||
| W5 | Japan | 6 | |||||||||||
| Lower round 1 | Lower final | ||||||||||||
| W3 | Cuba | 0 | |||||||||||
| L1 | Cuba | 7 | L4 | Japan | 5 | ||||||||
| L2 | Mexico | 4 | |||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 6 | 12 | 2 | |||||||||||||||||||||
| Cuba | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |||||||||||||||||||||
| WP: Daisuke Matsuzaka (2–0) LP: Aroldis Chapman (0–1) Attendance: 20,179 (47.3%) Umpires: HP − Hunter Wendelstedt, 1B − Carlos Rey, 2B − Bill Miller, 3B − Willie Rodriguez Boxscore | |||||||||||||||||||||||||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mexico | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 1 | |||||||||||||||||||||
| South Korea | 0 | 2 | 0 | 1 | 1 | 0 | 4 | 0 | X | 8 | 12 | 1 | |||||||||||||||||||||
| WP: Hyun-wook Jong (1–0) LP: Oliver Perez (0–1) Home runs: MEX: None KOR: Bum-ho Lee (1), Tae-kyun Kim (1), Young-min Ko (1) Attendance: 22,337 (52.3%) Umpires: HP − Joe West, 1B − Willie Rodriguez, 2B − Bill Miller, 3B − Paul Hyham Boxscore | |||||||||||||||||||||||||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cuba | 1 | 0 | 1 | 0 | 3 | 0 | 2 | 0 | 0 | 7 | 11 | 0 | |||||||||||||||||||||
| Mexico | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 4 | 7 | 0 | |||||||||||||||||||||
| WP: Norge Luis Vera (2–0) LP: Jorge Campillo (1–1) Sv: Pedro Luis Lazo (1) Home runs: CUB: None MEX: Jorge Cantú (1), Cristhian Presichi (1) Attendance: 9,329 (21.9%) Umpires: HP − Bill Miller, 1B − Paul Hyham, 2B − Hunter Wendelstedt, 3B − Carlos Rey Boxscore | |||||||||||||||||||||||||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 1 | |||||||||||||||||||||
| South Korea | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | X | 4 | 4 | 0 | |||||||||||||||||||||
| WP: Jung-keun Bong (2–0) LP: Yu Darvish (1–1) Sv: Chang-yong Lim (2) Attendance: 15,332 (35.9%) Umpires: HP − Hunter Wendelstedt, 1B − Carlos Rey, 2B − Joe West, 3B − Willie Rodriguez Boxscore | |||||||||||||||||||||||||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 1 | 5 | 8 | 0 | |||||||||||||||||||||
| Cuba | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | |||||||||||||||||||||
| WP: Hisashi Iwakuma (1–1) LP: Yunesky Maya (0–1) Sv: Toshiya Sugiuchi (1) Attendance: 9,774 (22.9%) Umpires: HP − Joe West, 1B − Willie Rodriguez, 2B − Hunter Wendelstedt, 3B − Paul Hyham Boxscore | |||||||||||||||||||||||||||||||||
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 6 | 15 | 3 | |||||||||||||||||||||
| South Korea | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 6 | 3 | |||||||||||||||||||||
| WP: Hideaki Wakui (1–0) LP: Seung-hwan Oh (0–1) Home runs: JPN: Seiichi Uchikawa (1) KOR: Bum-ho Lee (2) Attendance: 14,832 (34.7%) Umpires: HP − Bill Miller, 1B − Paul Hyham, 2B − Joe West, 3B − Carlos Rey Boxscore | |||||||||||||||||||||||||||||||||