Join the-AFC.com as we reveal all you need to know ahead of the meeting in Bielsko Biala – the winners of which will play either the United States of America or Ecuador in the semi-finals.

Oh, at 1.93 metres, is the tallest player in the Korea Republic squad and he used his height to great effect in the last 16 tie against Japan on Tuesday, heading home the only goal of the game to set up a quarter-final with Senegal.

Korea Republic, whose campaign ended at the last-16 stage when they hosted the 2017 edition, will now meet Senegal in the last eight on Saturday.

Korea Republic defeated six-time champions Argentina 2-1 in their final Group F match to finish second in the standings behind the South Americans on goal difference, sealing a Round of 16 showdown with Asian rivals Japan on Tuesday.

Saudi Arabia, meanwhile, exited the tournament after falling to their third consecutive defeat as they went down 2-1 to Panama in Group E.

Both Asian teams went into their respective matches needing to win after having lost their opening ties but while Korea Republic held on strongly after Kim Hyun-woo gave them the lead in the 69th minute, Saudi Arabia saw Mali come from behind twice to take all three points deep in added time.

Reigning AFC U-19 Championship winners Saudi Arabia were defeated 2-0 by France while Korea Republic were edged 1-0 by two-time FIFA U-20 World Cup champions Portugal.

Two of the three Asian expressions of interest could see the 2021 edition co-hosted as Bahrain Football Association, Saudi Arabian Football Federation and United Arab Emirates Football Association have indicated theirs will be a joint bid.

The Myanmar Football Federation and Football Association of Thailand are also keen on co-hosting the 2021 edition while Indonesia also expressed their intention to bid before the May 21 closing date.

The Brazilian Football Association and Peruvian Football Association submitted individual expressions of interest.