Iran beat Oman 2-0 on Sunday to claim their place in the last eight, an impressive display which followed goalkeeper Alireza Beiranvand’s superb penalty save in the opening moments of the game.

While grateful for his towering custodian’s contribution, Queiroz believes the unwavering unity which exists within the Iranian squad was, however, just as decisive a factor.

Alireza Jahanbakhsh’s smart finish and an Ashkan Dejagah spot-kick - both in the first half - helped secure Iran’s passage through to the last eight, on a night when Oman were left to rue an early penalty miss.

The victory leaves Carlos Queiroz’s charges still on track to win the nation’s first Continental title since 1976, and looking ahead to Thursday’s meeting with China PR in the next round after the East Asians beat Thailand earlier in the day.

Supachai Chaided had given the Thais the lead 14 minutes before the end of the first half, but a tactical switch at halftime followed by the introduction of Xiao in the 64th minute turned the game in China’s favour.

“I’m very satisfied,” said Lippi as the Chinese won their first game in the knockout phase of the AFC Asian Cup since the semi-finals of the 2004 tournament on home soil.

Xiao Zhi was presented with a commemorative ball after the match from the AFC.

The 2019 edition of the tournament is the first to produce a century of goals, surpassing the previous record haul of 96, set at the 2004 AFC Asian Cup in China.

While Xiao's goal brought up a historic milestone, it was also crucial to keeping China PR's UAE 2019 campaign alive.

With Marcello Lippi's men facing a 1-0 deficit, and potential elimination from the competition, the Guangzhou R&F forward scored the equaliser in the 67th minute, just three minutes after being brought into the game as a substitute.

Up next for Vietnam will be the winners of the Japan-Saudi Arabia last 16 tie, with the quarter-final to be also played at Al Maktoum Stadium.

Both teams started positively as they went in search of an early goal with the first shot on target for Jordan and it came in the 17th minute when Baha' Abdelrahman forced Vietnam goalkeeper Dang Van Lam into action.

Three minutes later, Jordan came close again when Mousa Mohammad Suleiman lured three defenders out of position before his back-heel pass found the unmarked Feras Zeyad Shilbaya, whose cross to Yaseen Mahmoud Bakheet saw his effort going wide.

The Southeast Asian side advanced in dramatic fashion, overcoming Jordan 4-2 on penalties after their Round of 16 tie ended 1-1 after extra-time on Sunday.

Fatigue had been a major concern for Park but the head coach from Korea Republic was proud that his players did not let that derail them from making the quarter-finals of the Continental showpiece.

Guangzhou R&F striker Xiao levelled the scores in thr 67th minute after Supachai Chaided had given Thailand the lead just after the half hour mark and Gao Lin secured the win for China with a penalty 20 minutes from time.

Xiao’s goal – the 100th of the tournament so far – was key for a China side that dominated the second half but were unable to find a way past Siwarak Tedsungnoen in the Thai goal until the arrival of the veteran forward, who finally ended Thailand’s resistence.

In the end it was a deserved win for a Chinese side that welcomed back Wu Lei to the starting line-up after missing the 2-0 loss against Korea Republic with a shoulder injury while Thailand called up Supachai for the injured Adisak Kraisorn.