Baseball in the 26th Southeast Asian Games were held at Palembang, Indonesia. All games were held at the Jakabaring Sport Complex.
Preliminary round
| Pos | Team | Pld | W | L | RF | RA | RD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|
| 1 |  Philippines | 4 | 4 | 0 | 33 | 2 | +31 | 8 | Qualified to the gold medal game | 
| 2 |  Indonesia | 4 | 3 | 1 | 34 | 9 | +25 | 7 | |
| 3 |  Thailand | 4 | 2 | 2 | 35 | 14 | +21 | 6 | Qualified to the bronze medal game | 
| 4 |  Vietnam | 4 | 1 | 3 | 4 | 50 | −46 | 5 | |
| 5 |  Malaysia | 4 | 0 | 4 | 10 | 40 | −30 | 4 | 
| Qualified to the gold medal game | |
| Qualified to the bronze medal game | 
| Team | GP | W | L | RS | RA | DIFF | PTS | 
|---|---|---|---|---|---|---|---|
|  Philippines | 4 | 4 | 0 | 33 | 2 | +31 | 8 | 
|  Indonesia | 4 | 3 | 1 | 34 | 9 | +25 | 7 | 
|  Thailand | 4 | 2 | 2 | 35 | 14 | +21 | 6 | 
|  Vietnam | 4 | 1 | 3 | 4 | 50 | −44 | 5 | 
|  Malaysia | 4 | 0 | 4 | 10 | 40 | −31 | 4 | 
- First game is at 10:00, and the second game is at 14:30, UTC+7.
November 13
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Philippines | 0 | 0 | 1 | 1 | 7 | 0 | 0 | 0 | 0 | 9 | 15 | 1 | 
|  Thailand | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 1 | 
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|
|  Malaysia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 
|  Indonesia | 6 | 1 | 0 | 3 | 4 | 0 | 0 | 14 | 8 | 5 | 
November 14
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Indonesia | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 2 | 7 | 9 | 4 | 
|  Thailand | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 5 | 9 | 4 | 
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|
|  Vietnam | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 
|  Philippines | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 10 | 9 | 5 | 
November 15
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|
|  Thailand | 1 | 4 | 3 | 0 | 0 | 0 | 4 | 12 | 11 | 0 | 
|  Vietnam | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|
|  Malaysia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 
|  Philippines | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 10 | 9 | 0 | 
November 16
| Team | 1 | 2 | 3 | 4 | 5 | 6 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|
|  Indonesia | 5 | 1 | 1 | 3 | 3 | 2 | 15 | 8 | 3 | 
|  Vietnam | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 
| Team | 1 | 2 | 3 | 4 | 5 | R | H | E | 
|---|---|---|---|---|---|---|---|---|
|  Thailand | 2 | 7 | 0 | 4 | 3 | 16 | 7 | 1 | 
|  Malaysia | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 
November 17
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Philippines | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 10 | 1 | 
|  Indonesia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Vietnam | 0 | 0 | 2 | 4 | 2 | 0 | 1 | 1 | 0 | 10 | 6 | 3 | 
|  Malaysia | 1 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 6 | 3 | 
Medal round
Bronze medal game
- November 19, 10:00 a.m.
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Vietnam | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 
|  Thailand | 1 | 0 | 3 | 1 | 3 | 3 | 1 | 0 | 0 | 12 | 15 | 3 | 
Gold medal game
- November 20, 10:00 a.m.
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  Indonesia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 
|  Philippines | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 6 | 1 | 
Medal summary
Medal tally
| Rank | Nation | Gold | Silver | Bronze | Total | 
|---|---|---|---|---|---|
| 1 |  Philippines | 1 | 0 | 0 | 1 | 
| 2 |  Indonesia | 0 | 1 | 0 | 1 | 
| 3 |  Thailand | 0 | 0 | 1 | 1 | 
| Totals (3 entries) | 1 | 1 | 1 | 3 | |
Medalists
| Med | NOC/Names | Med | NOC/Names | Med | NOC/Names | 
|  |  Philippines |  |  Indonesia |  |  Thailand | 
| Alfredo Olivares, Jr. | Adi Susanto | Adichat Wongvichit |