thumb|right|Official logoThe first Konami Cup Asia Series was held in November 2005 with four teams participating. The champions from the domestic leagues in Japan, South Korea and Taiwan along with a team of all stars from China's domestic league took part in the competition. All games were held in the Tokyo Dome in Japan. The tournament was sponsored by the Nippon Professional Baseball Association and Konami. The Chiba Lotte Marines defeated the Samsung Lions in the title game to win the championship for Japan. Outfielder Benny Agbayani was named the MVP of the series.
All times are Japan Standard Time (UTC+9)
Attendance: 2,643 Time: 2:37Attendance: 27,305 Time: 3:05
Attendance: 2,036 Time: 3:15Attendance: 18,911 Time: 2:20
Note: Game ended at seventh inning due to mercy rule
Attendance: 26,564 Time: 2:48Attendance: 6,340 Time: 2:36
| Position | Team | Chiba Lotte Marines | Samsung Lions | Sinon Bulls | China Stars | Wins | Losses | RS | RA | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chiba Lotte Marines | — | ○6–2 | ○12–1 | ○3–1 | 3 | 0 | 21 | 4 | |
| 2 | Samsung Lions | ●2–6 | — | ○4–3 | ○8–3 | 2 | 1 | 14 | 12 | |
| 3 | Sinon Bulls | ●1–12 | ●3–4 | — | ○6–0 | 1 | 2 | 10 | 16 | |
| 4 | China Stars | ●1–3 | ●3–8 | ●0–6 | — | 0 | 3 | 4 | 17 |
Attendance: 37,078 Time: 3:27