Patrick Hart Cash is an Australian former professional tennis player. He reached a career-high ATP singles ranking of world No. 4 in May 1988 and a career-high ATP doubles ranking of world No. 6 in August 1988. Upon winning the 1987 singles title at Wimbledon, Cash climbed into the stands to celebrate, starting a tradition that has continued ever since.
Roy Stanley Emerson is an Australian former tennis player who won 12 Grand Slam singles titles and 16 Grand Slam doubles titles, for a total of 28 Grand Slam titles. All of his singles Grand Slam victories and 14 of his Grand Slam doubles victories were achieved before the open era began in 1968. He is the only male player to have completed a career Grand Slam in both singles and doubles, and the first of four male players to complete a double career Grand Slam in singles. His 28 major titles are the all-time record for a male player. He was ranked world No. 1 amateur in 1961 by Ned Potter, 1964 by Potter, Lance Tingay and an Ulrich Kaiser panel of 14 experts and 1965 by Tingay, Joseph McCauley, Sport za Rubezhom and an Ulrich Kaiser panel of 16 experts.
Marcelo Andrés Ríos Mayorga is a Chilean former world No. 1 tennis player. Nicknamed "El Chino" and "El zurdo de Vitacura", he became the first Latin American player to reach the top position on the Association of Tennis Professionals (ATP) singles rankings in March 1998, holding the spot for six weeks. He also held the top ranking in juniors. At 1.75 m, Ríos is the shortest man to hold the number 1 ranking in men's tennis.
Fernando Francisco González Ciuffardi is a former Chilean professional tennis player. Throughout his career, he reached at least the quarterfinals of all four Grand Slam tournaments. He played his only major final at the 2007 Australian Open, losing to top-seeded Roger Federer. González is the fourth man in history to have won an Olympic tennis medal in every color, with gold in doubles and bronze in singles from Athens 2004, and silver in singles from Beijing 2008. The gold medal that González won together with Nicolás Massú at the 2004 Olympics in men's doubles was Chile's first-ever Olympic gold medal.
Conchita Martínez Bernat is a Spanish former professional tennis player. She was the first Spaniard to win the women's singles title at Wimbledon, doing so in 1994. Martínez also was the runner-up at the 1998 Australian Open and the 2000 French Open. She reached a career-high ranking of world No. 2 in October 1995, and was in the year-end Top 10 for nine years. Martínez won 33 singles and 13 doubles titles during her 18-year career, as well as three Olympic medals. She was inducted into the International Tennis Hall of Fame in 2020.
Petr Korda is a Czech former professional tennis player. He won the 1998 Australian Open and was runner-up at the 1992 French Open, reaching a career-high ranking of No. 2 in February 1998. Korda tested positive for doping in July 1998 at Wimbledon, and was banned from September 1999 for 12 months, but he retired shortly before the ban.
Andrés Gimeno Tolaguera was a Spanish tennis player. His greatest achievement came in 1972, when he won the French Open and became the oldest first-time Grand Slam champion in the Open era at 34 years of age.
Gisela Dulko is a former Argentine tennis player. Although she enjoyed modest success in singles, reaching a career-high ranking of world No. 26 and winning four WTA titles, her speciality was doubles, where she achieved the world No. 1 ranking and won 17 WTA titles. Partnering with Flavia Pennetta, Dulko won the 2010 WTA Tour Championships and the 2011 Australian Open. She also reached the mixed-doubles final at the 2011 US Open, with Eduardo Schwank. During her career, Dulko upset a number of top players on the tour, including Maria Sharapova in the second round of Wimbledon in 2009, Samantha Stosur in the third round of Roland Garros in 2011, and Martina Navratilova in the second round of Wimbledon in 2004 and in Navratilova's final Grand Slam singles match.
Olga Alekseyevna Puchkova is a Russian inactive professional tennis player. As a junior, she played for Belarus, and was sometimes listed as Belarusian professional.
Àlex Corretja i Verdegay is a Spanish former professional tennis player. During his career, he was twice a major runner-up at the French Open, won the Tour Finals in 1998, reached a career-high singles ranking of world No. 2 in 1999, and captured Masters 1000 titles at the 1997 Italian Open and 2000 Indian Wells Masters. Corretja also played a key role in helping Spain win its first Davis Cup title in 2000.
Giulia Casoni is a retired Italian tennis player.
Martín Alund is a retired Argentine professional tennis player. He reached the semifinals of the 2013 Brasil Open; has won seven ATP Challenger events in doubles; and achieved a career-high singles ranking of World No. 84 in March 2013.
Guido Andreozzi is an Argentine professional tennis player of Italian descent. He competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles. His career-high rankings are World No. 70 in singles and No. 83 in doubles.
Nicolas Mahut was the defending champion, but did not complete in the Juniors this year.
Corentin Moutet is a French tennis player.
Nicola Kuhn is an Austrian-born German tennis player. He has a career high ATP singles ranking of World No. 174, achieved on 7 October 2019 and a doubles ranking of World No. 287 achieved on 28 January 2019.
Oksana Olegovna Selekhmeteva is a Russian tennis player. Selekhmeteva has a career-high singles ranking by the Women's Tennis Association (WTA) of 138, set on 8 August 2022, and a best doubles ranking of 150, achieved on 11 July 2022.
Leandro Riedi is a Swiss tennis player. He has a career high ATP singles ranking of World No. 127 achieved on 16 January 2023. He also has a career high ATP doubles ranking of World No. 211 achieved on 6 February 2023.
Victoria Jiménez Kasintseva is an Andorran tennis player. She won the 2020 Australian Open girls' singles title, defeating Weronika Baszak in the final. It was her junior Grand Slam debut, and she was the youngest player in the draw. She made her WTA Tour main-draw debut at the 2021 Madrid Open as a wildcard, also as the youngest and the first-ever player from Andorra to appear in a WTA tournament main draw, where she lost in the first round to Kiki Bertens. She recorded her first WTA main draw win at the 2022 Korea Open.
Ytai Abougzir is an Israeli-born American former professional tennis player.
Argentina 
