Tajikistan netted three goals in each half in their 6-0 win over Nepal, while perennial contenders Uzbekistan defeated Afghanistan 6-2 in the later match.

The top two teams from Groups A and B will qualify for Turkmenistan 2020 from the Central and South Zone Qualifiers. However, should Turkmenistan - who are in Group B - occupy one of the top two positions, the best third-placed team from either group will qualify.

The win saw defending champions Thailand top the Group A standings heading into the semi-finals.

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.

Both finished on seven points but Indonesia's superior goal difference means they will play Myanmar in Friday's semi-finals while hosts Vietnam will have to battle defending champions Thailand.

The top three teams from the AFF Futsal Championship Vietnam 2019 will advance to the AFC Futsal Championship Turkmenistan 2020 next February.

China cruised past Hong Kong 5-0 while Chinese Taipei squandered a 4-1 lead and had to settle for a 4-4 draw with Mongolia.

Chinese Taipei, on four points, play China - who have two wins - on Thursday needing a win to seal top spot which will assure them a place in Turkmenistan 2020.

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 side through from the East Zone.

Korea Republic lie second in Group B behind Japan on goal difference, while Macau are bottom after suffering their second consecutive defeat.

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 side through from the East Zone.

Oman join Kuwait, Bahrain, Lebanon and Saudi Arabia as the representatives from West Asia for Turkmenistan 2020.

Both teams went into the playoff after having finished third in their respective groups and neither was willing to take risks in the first half.

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.