A second half blitz saw Japan score a resounding 9-0 win over Mongolia, while Vietnam secured a 4-1 win against Guam, as both sides placed themselves within reach of a place in the 2020 Finals.

This sets the stage for a cracking final round of matches on Sunday as the hopefuls strive to join Tajikistan - who qualified as Group C winners in October - in the 2020 Finals.

The 11 group winners and four best runners-up will join hosts Uzbekistan in the 2020 Finals.

Should Uzbekistan finish either top of Group F of the Qualifiers or are among the best four second-placed teams, the fifth best runners-up will qualify.

Group A of the Qualifiers - featuring Iraq, Oman, Palestine, Kuwait and Pakistan - will start on November 22.

Tajikistan are the early birds through, having qualified as Group C winners in October while Group G, which swung into action on Saturday, saw Matchday Three action.

Group A of the Qualifiers - featuring Iraq, Oman, Palestine, Kuwait and Pakistan - has been postponed with new dates to be announced in due course.

The 11 group winners and four best runners-up will join hosts Uzbekistan in the 2020 Finals.

Should Uzbekistan finish either top of Group F of the Qualifiers or are among the best four second-placed teams, the fifth best runners-up will qualify.

The wins saw both of them tied on four points, with the young Socceroos leading the group on goal difference.

Australia will face Chinese Taipei on Sunday, while Laos play Macau.

Two second half goals by Tao Qianglong gave China their second win in Group I, while the result was Singapore's second successive defeat, having lost 11-0 to Korea Republic.

Korea Republic, meanwhile, cruised to a 3-0 win over Myanmar with three first half goals placing them atop of Group I on goal difference, setting up a crucial match with China PR on Sunday.

Thailand raced to a 21-0 win over Northern Mariana Islands while Malaysia defeated Brunei Darussalam 11-0 as both teams recorded their second victories in the five-team Group G.

Japan showcased their early intentions with a 10-0 win over Guam, while Vietnam surged in the second half to beat Mongolia 3-0 in the day's later match.