Kwon has represented South Korea in the Davis Cup. He was first nominated to the team for the 2017 Davis Cup, making his debut against Uzbek tennis player Denis Istomin. Kwon made his tour-level and Grand Slam debut after winning the 2018 Asia-Pacific Wildcard Playoff for the main draw of the 2018 Australian Open.
Lloyd George Muirhead Harris (born 24 February 1997) is a South African professional tennis player. He has been ranked as high as World No. 31 in singles by the Association of Tennis Professionals (ATP), achieved on 13 September 2021, making him the current African and South African No. 1 men’s singles player. He has a career-high doubles ranking of World No. 203, achieved on 18 March 2019. Harris has won three ATP Challenger singles titles and two Challenger doubles titles and has also won 13 ITF singles titles and 4 ITF doubles titles. In November 2012, Harris won his first ITF junior singles title at the G5 in Windhoek, Namibia. In August 2014, Harris represented South Africa at the Youth Olympic Games.