Saudi Arabia beat 2018 champions Uzbekistan 1-0 in the semi-finals on Wednesday to seal a return to the Olympic Games after a 24-year absence, and play Korea Republic in the AFC U23 Championship Thailand 2020 final on Sunday.

The final, at Bangkok's iconic Rajamangala Stadium, will be between two of the tournament's most in-form teams with Korea Republic taking a record of five wins from as many matches into the decider with Saudi Arabia having registered four triumphs and one draw.

Join the-AFC.com as we take a look at five interesting facts and figures ahead of the decider.

The West Asians, however, came to Bangkok determined to win the title and made known their intentions from the very start with a commanding opening win against Japan.

They are now just one match away from adding the AFC U23 Championship title to the AFC U-19 Championship crown won in 2018 and the-AFC.com retraces how Saudi Arabia got to the Thailand 2020 final.

Kim Hak-bum's side have hardly put a foot wrong in Thailand 2020, advancing to Sunday's decider against Saudi Arabia with a perfect record of five wins.

With the final fast approaching, the-AFC.com takes a look at how 2018 Asian Games champions Korea Republic got there.

The 2016 runners-up take on Saudi Arabia in the final at the Rajamangala Stadium on Sunday determined to lift the trophy after missing out in the three previous editions.

Kim Hak-bum’s side have impressed throughout the tournament, winning all five matches en route to the final and the defensive partnership of Lee and Jeong has played a pivotal role in Korea Republic’s campaign.

Goals from Kim Dae-won and Lee Dong-gyeong in the second half ensured the Koreans not only set up a meeting in the final with Saudi Arabia on Sunday but that the country’s remarkable record of qualifying for the Olympic Games remaining intact.

The Koreans have appeared at every Olympics since Seoul hosted the Games in 1988 and victory over the Olyroos ensures Kim’s side will be playing in Tokyo this summer alongside the Saudis and the winners of Saturday’s third place play-off between Australia and Uzbekistan. Hosts Japan will be Asia's fourth team at the Olympics.

Nasser Al Omran’s late and wickedly deflected strike ultimately proved the difference on a night when Saudi Arabia advanced past an Uzbekistan side guilty of squandering several chances to progress themselves.

With a title showdown still to come against Korea Republic on Sunday, Alshehri has been quick to point out that, despite the euphoria surrounding his team’s Tokyo 2020 qualification, there remains work to be done in Bangkok.