The Asia Cup cricket tournament format varies with editions, but as of the latest editions:

• The 2023 Asia Cup was held in the 50-over (One Day International) format.
• The 2025 Asia Cup is being held as a T20 format, meaning each team plays 20 overs per innings.

So, the number of overs varies depending on the edition:

• ODI format Asia Cup editions have 50 overs per side.
• T20 format Asia Cup editions have 20 overs per side.

The 2025 Asia Cup specifically features 20 overs per innings as it serves as a preparatory event for the T20 World Cup in 2026.