2022 AFF Championship knockout stage
The knockout stage of the 2022 AFF Championship were the second and final stage of the 2022 AFF Championship, following the group stage. It took place from 6 to 16 January 2023. The top two teams from each group advanced to the knockout stage to compete in a two-legged single-elimination tournament beginning with the semi-finals followed by the final. Each tie are played on a home-and-away two-legged basis. The away goals rule, extra time and penalty shoot-out are used to decide the winner if necessary.The top two highest-placing teams from each of the two groups advanced to the knockout stage. In Group A, Thailand secured the group top spot as the group winner with 10 points after defeating Cambodia by 3–1 in their last match while Indonesia became the group runners-up with similar points but has less goals difference with Thailand. Indonesia defeated Philippines by 2–1 in their last match.
Meanwhile, in Group B, Vietnam secured the group top spot with 10 points after defeating Myanmar by 3–0 in their last match while Malaysia became the group runner-up with 9 points after winning 4–1 against Singapore.
Schedule
The schedule of each round is as follows.
Format
All matchup ties will be played over two legs. The team that scores more goals on aggregate over the two legs wins the tie. If the aggregate score is level at the end of normal time of the second leg, the team that scores more away goals across both legs advances. If the away goals are still level, extra time is played, and if the same number of goals are scored by both teams during extra time, the tie is decided by a penalty shoot-out.Bracket
Semi-finals
The top two sides of each group advanced to the knockout stages consisting of two-legged semi-finals and finals.
First leg
Indonesia vs Vietnam
| Statistics | Indonesia | Vietnam |
| Goals scored | 0 | 0 |
| Total shots | 7 | 3 |
| Shots on target | 2 | 1 |
| Ball possession | 44% | 56% |
| Corner kicks | 7 | 4 |
| Fouls committed | 10 | 11 |
| Offsides | 4 | 0 |
| Yellow cards | 0 | 2 |
| Red cards | 0 | 0 |
Malaysia vs Thailand
| Statistics | Malaysia | Thailand |
| Goals scored | 1 | 0 |
| Total shots | 5 | 18 |
| Shots on target | 1 | 4 |
| Ball possession | 28% | 72% |
| Corner kicks | 2 | 9 |
| Fouls committed | 5 | 8 |
| Offsides | 0 | 1 |
| Yellow cards | 1 | 2 |
| Red cards | 0 | 0 |
Second leg
Vietnam vs Indonesia
| Statistics | Vietnam | Indonesia |
| Goals scored | 2 | 0 |
| Total shots | 11 | 7 |
| Shots on target | 5 | 0 |
| Ball possession | 47.5% | 52.5% |
| Corner kicks | 5 | 7 |
| Fouls committed | 12 | 17 |
| Offsides | 3 | 3 |
| Yellow cards | 2 | 2 |
| Red cards | 0 | 0 |
Thailand vs Malaysia
| Statistics | Thailand | Malaysia |
| Goals scored | 3 | 0 |
| Total shots | 12 | 3 |
| Shots on target | 7 | 2 |
| Ball possession | 62.9% | 37.1% |
| Corner kicks | 1 | 1 |
| Fouls committed | 14 | 20 |
| Offsides | 1 | 0 |
| Yellow cards | 3 | 4 |
| Red cards | 0 | 0 |
Final
First leg
| Statistics | Vietnam | Thailand |
| Goals scored | 2 | 2 |
| Total shots | 10 | 6 |
| Shots on target | 4 | 1 |
| Ball possession | 53.5% | 46.5% |
| Corner kicks | 3 | 1 |
| Fouls committed | 11 | 7 |
| Offsides | 0 | 3 |
| Yellow cards | 2 | 2 |
| Red cards | 0 | 0 |
Second leg
| Statistics | Thailand | Vietnam |
| Goals scored | 1 | 0 |
| Total shots | 6 | 9 |
| Shots on target | 2 | 2 |
| Ball possession | 50.7% | 49.3% |
| Corner kicks | 2 | 2 |
| Fouls committed | 14 | 15 |
| Offsides | 5 | 0 |
| Yellow cards | 2 | 5 |
| Red cards | 1 | 0 |