The 2020 AFC U-23 Championship qualification was an international men's under-23 football competition which decide the participating teams of the 2020 AFC U-23 Championship.
A total of 16 teams qualified to play in the final tournament, including Thailand who qualified automatically as hosts country.[2] These matches also served as the first stage of the AFC qualifiers for the 2020 Summer Olympics men's football tournament in Japan.
Of the 47 AFC member associations, a total of 44 teams entered the competition. The final tournament hosts Thailand decided to participate in qualification despite having automatically qualified for the final tournament.
The draw was held on 7 November 2018, 15:00 MYT (UTC+8), at the AFC House in Kuala Lumpur, Malaysia.[3][4] The 44 teams were drawn into eleven groups of four teams. For the draw, teams were divided into two zones:
East Zone: 20 teams from ASEAN and East Asia, to be drawn into five groups of four teams (Groups G–K).
The teams were seeded according to their performance in the 2018 AFC U-23 Championship final tournament and qualification (overall ranking shown in parentheses; NR stands for non-ranked teams). The following restrictions were also applied:[5]
The eleven teams which indicated their intention to serve as qualification group hosts prior to the draw were drawn into separate groups.
In each group, teams play each other once at a centralized venue. The eleven group winners and the four best runners-up qualify for the final tournament. If the final tournament hosts Thailand win their group or are among the four best runners-up, the fifth best runner-up also qualifies for the final tournament.
Teams are ranked according to points (3 points for a win, 1 point for a draw, 0 points for a loss), and if tied on points, the following tiebreaking criteria are applied, in the order given, to determine the rankings (Regulations Article 9.3).[6]
Goals scored in head-to-head matches among tied teams;
If more than two teams are tied, and after applying all head-to-head criteria above, a subset of teams are still tied, all head-to-head criteria above are reapplied exclusively to this subset of teams;
Goal difference in all group matches;
Goals scored in all group matches;
Penalty shoot-out if only two teams are tied and they met in the last round of the group;
Disciplinary points (yellow card = 1 point, red card as a result of two yellow cards = 3 points, direct red card = 3 points, yellow card followed by direct red card = 4 points);
Due to groups having different number of teams (after the withdrawal of Pakistan from Group F), the results against the fourth-placed teams in four-team groups were not considered for this ranking.
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Lee Dong-gyeong (6 goals)
Qatar (H) 
Oman 
Afghanistan 
Nepal 
Bahrain (H) 
Palestine 
Bangladesh 
Sri Lanka 
Iraq 
Iran (H) 
Turkmenistan 
Yemen 
United Arab Emirates 
Saudi Arabia (H) 
Lebanon 
Maldives 
Jordan 
Syria 
Kuwait (H) 
Kyrgyzstan 
Uzbekistan (H) 
Tajikistan 
India 
Pakistan 
North Korea 
Singapore 
Hong Kong 
Mongolia (H) 
Australia 
Cambodia (H) 
Chinese Taipei 
Japan 
Myanmar (H) 
East Timor 
Macau 
China 
Malaysia (H) 
Laos 
Philippines 
Vietnam (H) 
Thailand[a] 
Indonesia 
Brunei