Cristian Ignacio Garín Medone (; born 30 May 1996) is a Chilean professional tennis player. He has a career-high ATP singles ranking of world No. 17 achieved on 13 September 2021 and a best doubles ranking of No. 206 reached on 10 May 2021. He is currently the No. 2 singles player from Chile.

Garín became the youngest Chilean player to win an ATP Tour match, by defeating Dušan Lajović at 16 years and 8 months old in the first round of the 2013 VTR Open."16-year-old Garin posts first ATP Tour win". ATP Tour. 5 February 2013royal. He was the winner of the 2013 Junior French Open, beating Alexander Zverev in the final.

Garín has won five ATP tour titles, all on clay courts. In early 2019, he achieved his first consistent results in the ATP Tour, reaching three finals in five tournaments: he finished runner-up in the 2019 Brasil Open, won his first ATP title at the 2019 U.S. Men's Clay Court Championships, and won his second title at the 2019 BMW Open. Garín obtained his third title at the 2020 Córdoba Open. By winning his first ATP Tour 500 title at the 2020 Rio Open, Garín became the sixth-ever Chilean man to be ranked in the top 20.

Junior career In 2010, Garín won the U14 world championship with Bastián Malla and Sebastián Santibáñez, defeating Italy in the final. The next year, at 14 years old, Garín won his first ITF Junior title at the Pascuas Bowl, a Grade 5 tournament."Christian Garín y Daniela Seguel ganan sus primeros títulos" . Emol. 23 April 2011. In 2012 when Garín was 16 years old, he broke top ten in the ITF Junior Rankings after winning the Eddie Herr (G1) in singles and doubles and the Orange Bowl Doubles, partnering with Nicolás Jarry.

At the 2013 French Open, Garín reached his first Junior Grand Slam finals in both singles and doubles. He dropped only one set on his way to the singles final, meeting Alexander Zverev of Germany who he defeated in straight sets to win his first Junior Grand Slam title. In the doubles event, partnered by fellow Chilean Nicolás Jarry, they faced Kyle Edmund of Great Britain, and Portuguese Frederico Ferreira Silva, to whom they lost in two sets.

Professional career 2012: Pro and Davis Cup debuts He entered in the ATP ranking in February, after defeating Felipe Mantilla in the F1 Chile. In March, he made his ATP Challenger debut, in the 2012 Cachantún Cup. He lost in three sets to Fernando Romboli. On 16 September, he became the youngest Chilean player to debut Davis Cup, before losing to Simone Bolelli. Garín recorded his best performance of the year in the F11 Chile in October, reaching the semifinals after defeating Juan Carlos Sáez, No. 435 in the ATP singles rankings.

2013: First pro win

In February, he received a wildcard for the main draw of the 2013 VTR Open, ATP 250 tournament. In the first round, he defeated Dušan Lajović in two sets, gaining 20 points for the ranking. He lost in three sets to Jérémy Chardy in the second round, after winning the first set.

He also represented his country on the 2nd round of the 2013 Davis Cup Americas Zone Group I against Ecuador, playing two single matches.

2014–2015: Top 300 In his first year as a professional, he received a wildcard for 2014 Royal Guard Open, an ATP 250 tournament in his home country, Chile. He couldn't repeat previous year second round, losing in his first match against Jeremy Chardy in straight sets. The following week, he won a qualifier spot at main draw of 2014 Copa Claro, another ATP 250 event. After these stints in ATP Tour, he spent most of the year between Challengers and Futures, winning four of the latter. He ended the 2014 season as world No. 252.

In January 2015, he played for Chile in 2014 Davis Cup Americas Zone Group II, losing his singles match and doubles match. Chile lost against Barbados 3–2. Later, in march, he won two singles matches against the Paraguayan team. In 2015, Garín did not reach any main draws of professional tournaments, having as year best results semifinals of challenger tournaments. In January, he played for Chile in 2015 Davis Cup Americas Zone Group II, winning his singles match against Perú, series that Chile won 5–0. In July, he won two singles matches against Mexico, series that Chile also won 5–0. In September, Garín with Hans Podlipnik won the doubles match against Venezuela, series that Chile won 5–0 too, and achieved the promotion for Group I. Garín ended the 2015 season as world No. 321.

2016: First Challenger title Garín only played the 2016 Geneva Open in the professional tour, after winning in the qualifying draw. The rest of the season he took part of Challenger tournaments and Futures, winning four of the latter and achieving his first Challenger title in Lima, at the end of the season. Garín ended the year as world No. 211. Davis Cup In January, he played for Chile in 2016 Davis Cup Americas Zone Group I, and won a singles match against Dominican Republic when the series was already decided, Chile won the series 5–0. In September, he played in 2016 Davis Cup World Group play-offs, and lost two singles matches against Canada. Chile lost the series 5–0.

2017: Grand Slam and top 200 debuts Garín entered the top 200 in January, reaching world No. 187 the next month. Garín successfully made it through the qualifying draw of Wimbledon, at his first attempt. In the main draw, Garín lost in four sets against Jack Sock, 17th seed of the edition. Garín ended the year as world No. 311. Davis Cup In January, he played for Chile in 2017 Davis Cup Americas Zone Group I, and won a singles match against Dominican Republic, Chile won the series 5–0. In April, he won a singles match and lost another one against Colombia, Chile lost the series 3–1.

2018: Three Challenger titles and top 100 After not being able to defend the points of last year's good start, Garín fell to world No. 373 in mid-January. Cristian was able to revert his fall with good presentations in Challenger tournaments, reaching three semifinals (and one final) out of six presentations in three months. In May, he reached another final. In July, he was able to defend his participation in Wimbledon, making it through the qualifying draw again, and losing to Adrian Mannarino in four sets in the first round. In September, Garín reached his third final of the year.

As the Latin American swing of Challenger tournaments started in October, Garín won the Challenger of Campinas. The following week, he lifted the title at the Challenger of Santo Domingo. After a week of rest, Garín won another Challenger, Lima, for the second time of his career. With this last tournament, Garín entered the top 100, at world No. 89 on 29 October 2018. Garín ended his year with fifteen consecutive victories and three back-to-back titles at Challenger level. He finished the season ranked No. 85 in the singles rankings. Davis Cup In April, he played for Chile in 2018 Davis Cup Americas Zone Group I and lost two singles match against Argentina. Chile lost the series 3–2. However, 2018 was the seventh consecutive year for Garín representing his country at the Davis Cup, an impressive achievement considering he was only 21 years old at the time.

2019: Two ATP titles, first Masters quarterfinals and top 40

Garín entered a Grand Slam main draw directly for the first time in 2019 Australian Open, but lost in straight sets to David Goffin. This was also his first participation in the first Grand Slam of the year. After Australia, Cristian took part in the rubber for 2019 Davis Cup for Chile against Austria. Garín lost to Dennis Novak, but won the decisive match against Jurij Rodionov, giving the Chilean team its first win in Europe over 50 years; this also put Chile on the 2019 Davis Cup Finals, where they could not make it past the group stage.

In the last week of February, Garín reached his first ATP final, at the 2019 Brasil Open, but lost the title to Guido Pella in straight sets. After losing in the qualifying round of the 2019 Miami Open, Garín started preparing for the upcoming clay-court season.

In the second week of April, he returned to the circuit with a great run at the 2019 U.S. Men's Clay Court Championships in Houston, Texas, where he ended up winning the tournament. On his way to the final, Garín defeated Pablo Cuevas, Jérémy Chardy, Henri Laaksonen and Sam Querrey, before facing the 20-year old Norwegian Casper Ruud in his second final of the season. Both players were aiming for their maiden ATP Tour title and the match went on to the third set, where Garín finally broke Ruud's serve and clinched a final win. This was the first title for a Chilean since 2009, when Fernando González won the title at the Chilean Open.

In late April Garín arrived to Europe, winning his first ATP match outside the Americas against Martin Kližan in Barcelona, where he went on to reach the third round after defeating Canadian rising star Denis Shapovalov. The following week, he went on to win his second title of the season in Munich, including stunning victories against clay-court specialists such as world No. 26 Diego Schwartzman, world No. 3 Alexander Zverev and world No. 19 Marco Cecchinato. In the final he defeated Budapest champion Matteo Berrettini in three sets, becoming the first Chilean to win an ATP tournament in Europe in more than a decade.

After losing in straight sets to Stan Wawrinka in the second round of the 2019 French Open, Garín won only two matches in the grass season, both at the 2019 Rosmalen Grass Court Championships where he made the quarterfinals. Highlights of Garín's second semester include reaching the round of 16 in the 2019 Rogers Cup (recording a first win against world No. 15 and former top-10 John Isner), reaching the quarter-finals in the 2019 Chengdu Open and his participation in the 2019 Rolex Paris Masters. In this last tournament, Garin recorded wins against Pablo Cuevas, world No. 17 John Isner and Jérémy Chardy. He lost in the quarterfinals against Grigor Dimitrov. However, it was the first time Garín reached such an advanced stage in a high category event (ATP Tour Masters 1000).

2020: Two titles in one month and top 20 Garín started his year representing Chile at the 2020 ATP Cup. As the No. 1 player of his country, he played against Gaël Monfils, Kevin Anderson and Novak Djokovic, losing all three matches as his team went home last place in their group. Cristian also won his first Australian Open match, defeating Stefano Travaglia before losing to Milos Raonic in the next round.

At the Golden Swing, Garín entered the Córdoba Open as the No. 3 seed. He won his third title after making comebacks in three of his four matches (despite losing in the first set), including the final against local favorite and world No. 14 Diego Schwartzman. After skipping the Argentina Open for medical reasons, he took part in the 2020 Rio Open. Garín entered as the No. 3 seed, behind world No. 22 Dušan Lajović and world No. 4 Dominic Thiem. After a difficult start to the tournament (with a very contested three set thriller against Andrej Martin), Garín went on to the final by winning against Federico Delbonis, Federico Coria and No. 5 seed Borna Ćorić. After winning the first set on a tiebreak, Garín came back from a 3–5 deficit in the second set of the final against Gianluca Mager to win the match; thus obtaining his first ATP 500 title. With the win, Garín appeared in the top 20 of the ATP Tour world ranking for the first time in his career (being only the sixth Chilean man in history to do so), as world No. 18 on 24 February 2020. Less than a week later, Garín would enter the 2020 Chile Open as a local and first seed. However, after receiving a bye in the first round and winning a very contested second-round match against Alejandro Davidovich Fokina, he was forced to retire (due to a back injury) after a set in his match against eventual champion Thiago Seyboth Wild. Even so, Garín would retain his world No. 18 ranking after the tournament.