The qualification structure is as follows: •
First round: 20 teams (ranked 27–46) played home-and-away over
two legs. • 10 winners advanced to the second round. • 3 best ranked losing teams advanced to the third round of Asian Cup qualification. • 6 worst ranked losing teams advanced to the play-off round of Asian Cup qualification. •
Second round: 36 teams (ranked 1–26 and 10 first-round winners) were divided into 9 groups of 4 teams to play home-and-away double
round-robin matches. • The 9 group winners and 9 group runners-up qualified for the Asian Cup along with host
Saudi Arabia and advanced to the third round of
2026 FIFA World Cup qualifiers. • The remaining 18 teams advanced to the third round of Asian Cup qualification. •
Play-off round: 6 teams (the worst ranked losing teams from the first round) played home-and-away over two legs that determined the final 3 qualifiers for the third round. •
Third round: 24 teams (3 best ranked losing team from the first round + 18 third and fourth-placed teams from the second round + 3 winners from the play-off round) were divided into 6 groups of 4 teams to play home-and-away double round-robin matches and the winner of each group will occupy the remaining 6 slots for the Asian Cup. == Entrants ==