Karen Abgarovich Khachanov is a Russian-Armenian professional tennis player. Khachanov has won six ATP Tour singles titles, including a Masters 1000 title at the 2018 Paris Masters, has claimed an Olympic silver medal at the 2020 Tokyo Olympics, and has reached two Major semifinals at the 2022 US Open and 2023 Australian Open. He has also won one doubles Masters 1000 title at the 2023 Madrid Open partnering Andrey Rublev. He achieved his career-high singles ranking of world No. 8 on 15 July 2019. He also has a career high ranking of No. 53 in doubles achieved on 29 January 2024.

Andrey Andreyevich Rublev is a Russian professional tennis player. He has been ranked as high as world No. 5 in singles by the ATP, which he first achieved in September 2021. He has won 16 ATP Tour singles titles, including two Masters 1000 at the 2023 Monte-Carlo Masters and at the 2024 Madrid Open. He has reached the quarterfinals of all four majors, but is the only male player in the Open Era to have done so the most times without progressing to the semifinals. Rublev broke into the top 10 in the ATP rankings in October 2020. He has won four ATP doubles titles, including a Masters 1000 title at the 2023 Madrid Open with Karen Khachanov, and in addition a gold medal in mixed doubles at the 2020 Summer Olympics with Anastasia Pavlyuchenkova.