Christian Garin Medone (born 30 May 1996) is a Chilean professional tennis player ranked no. 397 in the world, and 5th in the ITF rankings. He is the youngest Chilean player to win a high-level ATP match, defeating Dusan Lajovic at just 16 years and 8 months old, in the first round of the 2013 VTR Open.
In 2010, he won the U14 world championship with Bastián Malla and Sebastián Santibañez, defeating Italy in the final. The next year, with only 14 years, Garin won his first ITF U18 title in the Pascuas Bowl, a Grade 5 tournament. In 2012, with 16 years, he reached the U-18 "top ten", after winning the Eddie Herr Tournament (G1) in singles and the Yucatán Cup (G1), the Eddie Herr (G1) and the Orange Bowl (GA) in doubles with Nicolás Jarry.
At the 2013 French Open, Garin 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 whom 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 2 sets.
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 3 sets to Fernando Romboli. On 16 September, he became the youngest Chilean player to debut Davis Cup, before losing to Simone Bolelli 4–6 3–6. Garin made 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 ranking.
In February, he received a wild card for the main draw of the 2013 VTR Open, ATP 250 tournament. In the first round, he defeated Dusan Lajovic 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 6–4.
In his first year as a professional, he received a wild card for 2014 Royal Guard Open, ATP 250 tournament in his home country, Chile. He couldn't repeat previous year second round, losing in his first match against Chardy 7-5, 6-0. The next week, he won a qualifier spot at main draw of 2014 Copa Claro, another ATP 250 event.