Borna Ćorić

2013: First best-of-5 sets match

Ćorić made his debut at the 2013 Davis Cup, after he was selected for Croatia's World Group Play-off tie against Great Britain, with his first best-of-5 sets match coming against world number 3, Andy Murray. Despite showing promise, matching the Scot's level in the first 6 games, and breaking his serve in the third set, he would ultimately go on to lose in straight sets.

2014: ATP Star of Tomorrow

In April, Ćorić defeated No. 21 Jerzy Janowicz on the first day of the Davis Cup tie between Croatia and Poland.

In July, in the first round of the clay court event in Umag where he was playing with a wildcard, Ćorić scored another notable win over a top-50 player, beating seventh seed, No. 46 Édouard Roger-Vasselin in straight sets. He beat qualifier Horacio Zeballos in the second round to reach his first ATP quarterfinal. In the quarterfinal, he faced second seed Fabio Fognini and lost in three sets. Ćorić entered the top 200 for the first time on 28 July after his run in Umag, at No. 194.

In August, Ćorić qualified for the main draw of the 2014 US Open, his first appearance in the main draw of a Grand Slam. He upset 29th seed Lukáš Rosol in the first round in straight sets, before falling to Víctor Estrella Burgos in the second round.

Ćorić receiving the 2014 ATP Star of Tomorrow Award at the O2 in London

On 21 September, Ćorić won his first ATP Challenger title in İzmir, and he entered the top 150 for the first time at the age of 17 and 10 months, at No. 140.

In October, he was given a wildcard for the Swiss Indoors, where he achieved his first victory over a top-20 player, No. 13 Ernests Gulbis, in straight sets. In the quarterfinals he went on to record the biggest victory of his young career, defeating world number 3, Rafael Nadal. His run to the semifinals launched him into the world's top 100 for the first time (at No. 93), making him the youngest player to do so since Nadal in 2003.^[8] In the semifinal, he lost to future top ten player David Goffin in three sets.

In November, Ćorić won the ATP Star of Tomorrow, awarded by the ATP Awards, for being the youngest player in the top 100.^[9]

2015: French Open third round

At the Australian Open, Ćorić received his first direct entry into the main draw of a Grand Slam tournament. He faced 29th seed Jérémy Chardy in the first round and lost in four sets.

In February, Ćorić made his second ATP 500 semifinal of his career in Dubai, defeating world number 3, Andy Murray, in straight sets in the quarterfinals, his second win over a top 5 player; this was despite Ćorić losing in the qualifying tournament, and requiring entrance into the main draw as a Lucky Loser.^[10] In the semifinals, he lost to world number 2, Roger Federer, in straight sets. In March, Ćorić made his ATP Masters 1000 main draw debut in Indian Wells, after winning two qualifying matches, reaching the second round.

At the 2015 French Open, Ćorić reached the third round in a Grand Slam for the first time after defeating Sam Querrey and the 18th seed Tommy Robredo, before falling to Jack Sock.

Ćorić achieved his first grass court win by defeating Donald Young in the first round in Halle and then lost to Tomas Berdych. At the 2015 Wimbledon Championships, he defeated Sergiy Stakhovsky in the first round, then lost to 25th seed Andreas Seppi in the second in five sets.

In August, Ćorić climbed to a then career-high of No. 33 in the ATP rankings. After defeating one of his junior rivals, and future top 3 player Alexander Zverev, he lost to Stan Wawrinka in three close sets in the second round in Cincinnati. The 2015 Winston-Salem Open saw the first time that Ćorić attended an ATP tournament as a seeded player, where he reached the quarterfinals and lost to eventual champion Kevin Anderson. At the 2015 US Open, he lost in the first round to 8th seed Rafael Nadal in four sets.

In September, after winning another ATP Challenger title, Ćorić achieved two singles wins for Croatia in the 2015 Davis Cup World Group Play-off tie against Brazil. He ended his 2015 season at No. 44.

Ćorić at Wimbledon in 2016

2016: First ATP finals and knee surgery

In January, he was named in Forbes' "30 Under 30" sports list for 2016.^[11] That same month, he reached his first ATP final at Chennai, but was defeated by Stan Wawrinka in straight sets. In March, Ćorić played for Croatia in a Davis Cup tie against Belgium. He lost in a five-setter to David Goffin, but won the deciding rubber by defeating Kimmer Coppejans.

In April, Ćorić reached his second ATP final in Marrakesh, losing to Federico Delbonis in straight sets. In July, Ćorić repeated his feat from earlier in the year by winning the decisive rubber in Croatia's Davis Cup quarterfinal tie against the United States, defeating Jack Sock to send Croatia to their first Davis Cup semifinal since 2009.

At the 2016 Cincinnati Masters, Ćorić scored his third career victory over a top-10 player when he defeated former number one player, Rafael Nadal, in straight sets. It was his second career win over the Spaniard, both of which he achieved while still a teenager. Ćorić reached his first ATP 1000 quarterfinal at the Cincinnati Masters, but was forced to retire when facing the eventual champion, Marin Čilić, in the quarterfinal match due to a knee injury, marking the first time that Ćorić retired during a match in his career.

In September, Ćorić lost to Richard Gasquet in the Davis Cup semifinal between France and Croatia, and then announced he would undergo season-ending knee surgery.^[12]

2017: First ATP title

In 2017, Ćorić won his first ATP title in Marrakesh, coming back from a set down to defeat Philipp Kohlschreiber in three sets after saving five championship points.

On 12 May 2017, at the Madrid Open, Ćorić defeated the number one, Andy Murray, in straight sets. This was his first victory over a world number one player.

In the second round of the US Open, Ćorić would record the biggest win of his career at the Grand Slam level, defeating the 4th seed, Alexander Zverev. Ćorić subsequently lost to eventual finalist, Kevin Anderson, in the third round.

Ćorić qualified for the Next Generation ATP Finals after finishing in the top seven in the Race to Milan. He entered as the fourth seed and won his group through the round robin stage, defeating Karen Khachanov, Daniil Medvedev and Jared Donaldson. He was defeated by Andrey Rublev in the semifinals.

2018: Career-best season and Top 20

In February, Ćorić helped Croatia to advance to the Davis Cup quarterfinals, defeating Vasek Pospisil and rising star Denis Shapovalov. In March, Ćorić reached his first ATP Masters 1000 semifinal in Indian Wells; however, he lost to Roger Federer in three tight sets, despite leading by a set and a break. Ćorić followed up this result with another impressive performance in Miami, eventually bowing out to Alexander Zverev in the quarterfinals.

In Halle, he upset world number 3, Alexander Zverev, and world number 1, Federer, (who was running on a 20-match unbeaten streak on grass), to win his second career title and first on grass. Ćorić's serve was broken only twice during the entire tournament. In July, he broke into the top 20 of the ATP rankings for the first time.^[13]

In September, Ćorić achieved his best Grand Slam result to date at the 2018 US Open, reaching the fourth round.^[14]. Later that month, Croatia hosted the United States for the Davis Cup semifinals. The teams split the first four matches, including a straight sets victory for Ćorić over Steve Johnson. In the deciding rubber, Ćorić came back from two sets to one down to beat Frances Tiafoe and send Croatia into their second Davis Cup final in three years.^[15]

Heading into the October, Ćorić had failed to reach the quarterfinals in his previous seven tournaments, dating back to his victory in Halle. He broke this drought in Shanghai by reaching the final, beating defending champion and top seed Federer in the semifinals, before succumbing to Novak Djokovic in the final. His effort in reaching his maiden masters final propelled him to a career high rank of No. 13 in the ATP rankings.

Grand Slam tournaments performance timelines