Hwang In-beom

Club career Daejeon Citizen Hwang signed with Daejeon Citizen in 2015. He scored his first goal in a league match against Pohang Steelers on 30 May and became the youngest scorer in Daejeon history. Daejeon had been relegated to the second division after his first season, but he grew into one of notable young footballers in South Korea.

Hwang joined police's football team Asan Mugunghwa to perform alternative service instead of mandatory military service in 2018, but was discharged from the service after winning a gold medal in the 2018 Asian Games.

Vancouver Whitecaps Hwang interested 2. Bundesliga club Hamburger SV after showing positive prospects in Daejeon and national team, but Daejeon sold Hwang to Vancouver Whitecaps who offered a higher transfer fee than Hamburg. On 30 January 2019, Hwang joined Major League Soccer side Vancouver Whitecaps as a Young Designated Player on a two-year contract, with club options for the 2021 and 2022 seasons. He made his debut for the Whitecaps against Minnesota United on 2 March, and scored his first goal for the side in a 1–0 win over Los Angeles on 17 April. In the 30th week of the 2019 season, he was selected for the Team of the Week after providing three assists against LA Galaxy.

Rubin Kazan

On 14 August 2020, Hwang transferred to Russian club Rubin Kazan. Hwang ranked favorably in statistics for chances created across the Russian Premier League until the first half of the 2020–21 season, but suffered coronavirus and heel injury afterward.

On 3 April 2022, Hwang's contract with Rubin was suspended until 30 June 2022 according to special FIFA regulations related to the Russian invasion of Ukraine. The regulations allow foreign players in Russia to suspend their contracts until the end of the 2021–22 season and sign with a club outside of Russia until that date. Hwang joined Seoul on 5 April.

Olympiacos On 29 July 2022, Hwang joined Super League Greece club Olympiacos. On 18 August 2022, he scored, on his debut, the equaliser in a Europa League playoff fixture away at Apollon Limassol, which finished 1–1. On 10 March 2023, he was named the Super League Greece Player of the Month for February. After the end of the 2022–23 season, he was selected as the best Olympiacos player and the second best Super League Greece player by league fans. However, he was in conflict with the club just before the next season due to problems related to his contract, and it was possible to become a court fight. He claimed he held a one-year contract with an option for a further two years, whereas Olympiacos claimed a three-year deal.

Red Star Belgrade On 4 September 2023, Hwang joined Serbian SuperLiga club Red Star Belgrade on a four-year contract for a club and league-record €5 million fee. He was bought along with Burkinabè centre-back Nasser Djiga and Senegalese winger Cherif Ndiaye in advance of the club's 2023–24 UEFA Champions League campaign. On 9 December, he won a penalty and scored his first goal for Red Star, helping his team gain a 3–1 victory over Mladost Lučani. Red Star extended their unbeaten home run in the Serbian SuperLiga to 122 games with this victory, setting a world record for the longest unbeaten home run in a domestic league. On 13 December, he scored his first Champions League goal and assisted another goal from a corner kick in a 3–2 defeat to Manchester City. On 21 May 2024, he provided an assist from a corner followed by Uroš Spajić's winning goal in the 2023–24 Serbian Cup final against Vojvodina. He was voted SuperLiga Player of the Season for his contributions to Red Star's Double. He received the club's Player of the Month award after his first month at the club, and was selected for the league's Team of the Month the next month. However, his calf was injured in a KNVB Cup match against MVV Maastricht on 17 December, and his playing time was decreased due to an aftereffect after the injury.

Porto On 20 July 2026, after participating in the 2026 FIFA World Cup, Hwang joined Primeira Liga champions FC Porto on a contract until June 2029, with an option for a further year, for a transfer fee of €4.5 million, which could rise to €5 million with add-ons. On 1 August, he came on as a 73rd-minute substitute in the 1–0 Supertaça Cândido de Oliveira win over Torreense, making his Porto debut.

International career Hwang played a vital role in leading South Korea to the 2018 Asian Games title. As a reward, he was discharged from Asan Mugunghwa less than halfway through his military service and returned to Daejeon Citizen.

Nicknamed the "Bento's crown prince", Hwang was one of South Korean internationals whom manager Paulo Bento trusted most. He made his senior international debut in a 2–0 friendly win over Costa Rica on 7 September 2018, and scored his first senior international goal in a 2–2 friendly draw with Panama on 16 October that year. At the 2019 EAFF Championship, he was named the competition's Most Valuable Player by leading South Korea to the title. His steady performances under Bento made him participate at the 2022 FIFA World Cup as expected. He played all four of South Korea's matches until the round of 16, where they lost 4–1 to Brazil. He successfully performed his role in the first two group stage matches, but his fans were disappointed with his mistakes responsible for conceding goals to opponents in the other matches. During a 3–3 draw with Malaysia, he lost possession of the ball in front of his team's penalty box and the mistake was followed by opponent's goal. He once again created a similar situation with his inaccurate pass in the 2–1 quarter-final win over Australia. When his teammates on the whole had difficulty during the 2–0 semi-final loss to Jordan, he also failed to make a difference.

Hwang was called up to the South Korea squad for the 2026 FIFA World Cup by new manager Hong Myung-bo. In their opener against Czech Republic, he dominated midfield with his movement and link play as well as having one goal and one assist. After the match ended in a 2–1 win, he was selected as the Player of the Match.

Style of play J.J. Adams of The National Post noted that Hwang "can play centrally or on the wing, but thrives as an attacking mid — a box-to-box No. 8. He's known for precision passing, aggressive tackling, possession composure and a willingness to take on defenders with the ball at his feet".

After watching Hwang's performance at Feyenoord, Karim El Ahmadi stated "Hwang looked around him carefully while turning to the left or right with his two-footed ability. He put his teammates in the right places and distributed plays in front of defense. He also showed good tackles." Wesley Sneijder also paid attention to Hwang's two-footedness, which can make unforeseeable turns. Sneijder thought Hwang had abilities to change games and to see the run of games. By them, Hwang was compared to Shinji Ono, the former Asian player who helped Feyenoord win the 2001–02 UEFA Cup.

International

Serbian Cup: 2023–24

Individual K League 2 Best XI: 2016, 2017, 2018 EAFF Championship Most Valuable Player: 2019 Super League Greece Player of the Month: February 2023 Serbian SuperLiga Team of the Season: 2023–24