Preliminary round 3 – West Asia region,
Al Ain – United Arab Emirates
Al Ahli Jeddah – Saudi Arabia
Al Sailiya – Qatar
Al Rayyan – Qatar
Winner of Esteghlal Tehran – Iran/Al Faisaly Amman – Jordan/Al Kuwait Kaifan – Kuwait
Winner of Shahr Khodro – Iran/Chennai City – India/Al Riffa – Bahrain
Winner of FC Lokomotiv Tashkent – Uzbekistan/FC Istiklol – Tajikistan
Winner of FC Bunyodkor Tashkent – Uzbekistan/Al Zawraa – Iraq

Preliminary round 2 – West Asia region,
Esteghlal Tehran – Iran
Shahr Khodro – Iran
FC Lokomotiv Tashkent – Uzbekistan
FC Bunyodkor Tashkent – Uzbekistan
Al Zawraa – Iraq
FC Istiklol – Tajikistan
Winner of Chennai City – India/Al Riffa – Bahrain
Winner of Al Faisaly Amman – Jordan/Al Kuwait Kaifan – Kuwait

Preliminary round 1 – West Asia region,
Chennai City – India
Al Faisaly Amman – Jordan
Al Kuwait Kaifan – Kuwait
Al Riffa – Bahrain

Preliminary round 3 – East Asia/ASEAN region:
FC Seoul – South Korea
Shanghai SIPG – China
Yokohama F Marinos or FC Tokyo – Japan
One of Kashima Antlers/Kawasaki Frontale/Cerezo Osaka – Japan
Winner of Melbourne Victory – Australia/Tampines Rovers – Singapore/Bali United – Indonesia
Winner of Port FC – Thailand/Ceres Negros – Philippines/Shan United – Myanmar
Winner of Buriram United – Thailand/Hồ Chí Minh City – Vietnam
Winner of Kedah – Malaysia/Tai Po – Hong Kong

Preliminary round 2 – East Asia/ASEAN reigon:
Melbourne Victory – Australia
Port FC – Thailand
Buriram United – Thailand
Kedah – Malaysia
Tai Po – Hong Kong
Hồ Chí Minh City – Vietnam
Winner of Ceres Negros – Philippines/Shan United – Myanmar
Winner of Tampines Rovers – Singapore/Bali United – Indonesia

Preliminary round 1 – East Asia/ASEAN region:
Ceres Negros – Philippines
Tampines Rovers – Singapore
Bali United – Indonesia
Shan United – Myanmar