Qualified teams
| Group | Winners | Runners-up |
|---|---|---|
| A |  China |  Thailand |
| B |  South Korea |  Chinese Taipei |
| C |  Japan |  Malaysia |
| D |  Indonesia |  Denmark |
The 2025 Sudirman Cup knockout stage was held at the Fenghuang Gymnasium in Xiamen, China, from 2 to 4 May 2025.
The knockout stage was the second and final stage of the competition, following the group stage. It began with the quarter-finals (2 May), followed by the semi-finals (3 May), and the final (4 May). The two highest-finished teams in 4 groups (8 teams in total) qualified to the knockout stage.
| Group | Winners | Runners-up |
|---|---|---|
| A | China | Thailand |
| B | South Korea | Chinese Taipei |
| C | Japan | Malaysia |
| D | Indonesia | Denmark |
The draw was held on 1 May 2025, after the last group tie. The group runners-up were drawn against the group winners. Teams from the same group could not be drawn against each other.
| Quarter-finals | Semi-finals | Final | ||||||||
| China | 3 | |||||||||
| Malaysia | 0 | |||||||||
| China | 3 | |||||||||
| Japan | 0 | |||||||||
| Japan | 3 | |||||||||
| Chinese Taipei | 0 | |||||||||
| China | ||||||||||
| South Korea | ||||||||||
| Denmark | 1 | |||||||||
| South Korea | 3 | |||||||||
| South Korea | 3 | |||||||||
| Indonesia | 2 | |||||||||
| Thailand | 1 | |||||||||
| Indonesia | 3 | |||||||||
 China 3 | Fenghuang Gymnasium Court 1 2 May 2025, 09:30 UTC+8 [1] |  Malaysia 0 | ||||||||||||||||||||||||||||||||||||||||||||
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 Japan 3 | Fenghuang Gymnasium Court 2 2 May 2025, 09:30 UTC+8 [2] |  Chinese Taipei 0 | ||||||||||||||||||||||||||||||||||||||||||||
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 Thailand 1 | Fenghuang Gymnasium Court 1 2 May 2025, 17:00 UTC+8 [3] |  Indonesia 3 | ||||||||||||||||||||||||||||||||||||||||||||
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 Denmark 1 | Fenghuang Gymnasium Court 2 2 May 2025, 17:00 UTC+8 [4] |  South Korea 3 | ||||||||||||||||||||||||||||||||||||||||||||
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China 3 | Fenghuang Gymnasium Court 1 3 May 2025, 09:30 UTC+8 [5] | Japan 0 | ||||||||||||||||||||||||||||||||||||||||||||
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South Korea 3 | Fenghuang Gymnasium Court 1 3 May 2025, 17:00 UTC+8 [6] | Indonesia 2 | ||||||||||||||||||||||||||||||||||||||||||||
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China | Fenghuang Gymnasium Court 1 4 May 2025, 14:00 UTC+8 [7] | South Korea | ||