Another standout performance from an Ulsan forward saw them take an early lead, but it was the tenacity of the defence that helped push their winning streak to seven matches as they saw off Beijing FC 2-0 in the quarter-finals.

Beijing, meanwhile, created enough to advance to their first-ever semi-final, but were ultimately unable to convert their chances despite a strong performance from one of their star men, Jonathan Viera.

The match at Jassim Bin Hamad Stadium will mark the first time the sides have met in what is Ulsan's first semi-final appearance since winning the competition in 2012. Vissel, meanwhile, have made the final four at the first time of asking in an excellent debut AFC Champions League campaign

As the teams continue their quest to become kings of the Continent, the-AFC.com has selected five things to look out for ahead of the match.

Throughout their journey to the semi-final, the two sides were able to count on an array of talents, both domestic and foreign. the-AFC.com highlights four players who could make the difference and drive their teams to the December 19 final against Islamic Republic of Iran's Persepolis FC.

As Korea Republic's Ulsan Hyundai prepare to battle it out with Japan's Vissel Kobe in Sunday's semi-final, the-AFC.com highlights some of the standout numbers posted by those involved in the final four clash over the course of the 2020 campaign.

After winning their first-ever Emperor's Cup title in 2019 to earn their AFC Champions League debut, Vissel Kobe had a 2020 domestic season full of ups and downs.

The port city club added the Japanese Super Cup in February, defeating Yokohama F. Marinos on a penalty shootout, but ended the J1 League season in a disappointing 12th place.

The K League runners-up have brushed off domestic heartbreak to emerge as the form team of the AFC Champions League (East), scoring multiple goals in all seven of their Doha fixtures.

With anticipation building for the 2020 AFC Champions League final, where Islamic Republic of Iran champions Persepolis will be aiming to win the continental title for the first time, their fans voted in huge numbers for Nemati.

Facing Qatar's Al Sadd in an Azadi Stadium packed to the brim, the return leg of the semi-final was tied 1-1 when Nemati struck to take Persepolis into the 2018 AFC Champions League final against Japan's Kashima Antlers.

Review the six goals and check out the result at the bottom of the article.