The 2019 J.League Cup / Copa Sudamericana Championship, officially known as the 2019 J. League YBC Levain Cup / CONMEBOL Sudamericana Championship Final, was the 12th edition of the J.League Cup / Copa Sudamericana Championship, the club football match co-organized by the Japan Football Association, the football governing body of Japan, CONMEBOL, the football governing body of South America, and J.League, the professional football league of Japan, between the champions of the previous season's J.League Cup and Copa Sudamericana.

Muhammad Taqi Aljaafari bin Jahari, also known as Muhammad Taqi, is a Singaporean international football referee. He has been a FIFA listed referee since 2012, and has also refereed a number of AFC Champions League matches. He has also won the 2014 S.League Referee of the Year and the AFF Referee of the Year in 2017.