China struggled to find a way past Mongolia in the first half but turned on the power in the second half to register a 3-0 win while Chinese Taipei dominated from start to finish as they defeated Hong Kong 4-1.

The Groups A and B winners will gain direct qualification to the 2020 Finals, with the second placed teams meeting in a play-off to determine the third team through from the East Zone.

Japan showed their goal scoring prowess as Tomoki Yoshikawa, Yuki Murota and Minami Kato each scored hat-tricks for the three-time AFC Futsal Championship winners.

The two group winners will gain direct qualification to the 2020 Finals, with the second placed teams meeting in a play-off to determine the third team through from the East Zone.

The regional tournament also serves as the ASEAN Zone qualifiers for the AFC Futsal Championship Turkmenistan 2020, with the top three teams advancing to the Finals next February.

Thailand will face Myanmar on Wednesday to decide the group winners, while Timor-Leste and Cambodia will be aiming to end their campaigns on a high.

The 0-0 draw took Vietnam and Indonesia to four points Australia have three after defeating Malaysia 6-4.

The regional tournament also serves as the ASEAN Zone qualifiers for the AFC Futsal Championship Turkmenistan 2020, with the top three teams advancing to the Finals next February.

Bahrain finished as runners-up, ahead of United Arab Emirates on goal difference, with both on seven points, while Kuwait emerged group winners with nine points.

UAE, who came from behind to defeat Palestine 5-4 in Sunday's earlier match, will face Oman in the play-off on Tuesday to decide the West Zone's fifth team in the Finals, with Lebanon and Saudi Arabia having already confirmed their places from Group B.

Lebanon defeated Qatar 8-1 to end their qualifying campaign with a perfect record of three wins while Saudi Arabia advanced on goal difference after they played to a 4-4 draw with Oman, with both teams finishing on four points.

Oman still have a chance as they will play the third-placed team from Group A in the play-off on Tuesday to decide the West Zone's fifth side in Turkmenistan 2020.

The Qualifiers are divided into four zones, with the West Zone kicking off the action on Wednesday, before the 2019 AFF Futsal Championship, which will serve as qualification for the ASEAN Zone, starts on October 21.

The East Zone hopefuls will begin their campaign the next day, while the Central & South Zone commences on October 23. A total 31 teams will be bidding to qualify.