Ranked No. 53 at the Australian Open, he lost in the second round to 24th seed Casper Ruud.
In March, Paul competed at the Rotterdam Open.
He reached the quarterfinals where he fell to qualifier and eventual finalist, Márton Fucsovics.
At the Abierto Mexicano in Acapulco, he was eliminated in the first round by fourth seed Milos Raonic.
In Miami, he was beaten in the first round by Marcos Giron.
Paul started his clay-court season at the Sardegna Open.
Seeded eighth, he lost in the first round to Yannick Hanfmann.
At the Monte-Carlo Masters, he was defeated in the second round by ninth seed Roberto Bautista Agut.
1980
Ranked No. 80 at the Australian Open, Paul reached the third round of a Grand Slam for the first time in his career by beating 18th seed and world No. 20, Grigor Dimitrov, in the second round.
He was defeated in the third round by Márton Fucsovics.
Paul started his 2021 season at the Delray Beach Open.
Seeded fifth, he lost in the second round to compatriot and eventual finalist, Sebastian Korda.
1997
Tommy Paul (born May 17, 1997) is an American professional tennis player.
Paul has a career-high ATP singles ranking of world No. 12, achieved on 2 October 2023, and doubles ranking of No. 97, achieved on 12 September 2022.
He has won two ATP Tour titles, and reached a major semifinal at the 2023 Australian Open.
Tommy Paul was consistently one of the highest ranked juniors of his class.
2015
Paul reached a career-high ITF junior rank of No. 3 on December 9, 2015.
Paul reached two junior Grand Slam finals in 2015.
He won the 2015 French Open boys' singles title by defeating fellow American Taylor Fritz in the final in three sets.
At the same tournament he reached the final in doubles partnering fellow American William Blumberg.
He also reached the final at the 2015 US Open boys' singles, this time losing to Fritz in three sets.
Paul turned pro in 2015.
Unusual for an American, Paul has shown a preference for playing on clay, having won the Junior French Open and his first five ITF Futures singles titles on clay.
He qualified for the main draw of a major for the first time at the 2015 US Open, losing to Andreas Seppi in the first round.
Seeded 15th at the Murray River Open, he was defeated in the second round by Australian Alexei Popyrin.
2016
In March 2016, Paul cracked the top 200 for the first time by qualifying for the Miami Masters.
In April, Paul was awarded a wildcard into the 2016 U.S. Men's Clay Court Championships at Houston, and defeated 53rd-ranked Paolo Lorenzi in the first round for his first career ATP level win.
Paul would then mainly compete on the ATP Challenger Tour and ITF Circuit for the remainder of 2016.
2017
He continued competing in Challengers and ITFs in first half of 2017.
In July 2017, after going through qualifying at the Atlanta Open, he defeated seventh seed and 53rd-ranked Chung Hyeon in three sets.
He then went on to defeat Malek Jaziri in three sets to advance to his first ATP Tour-level quarterfinal.
Then he was defeated by third seed Gilles Müller.
Following his performance in Atlanta, Tommy was awarded a wildcard into the ATP 500 Washington Open.
Paul defeated Casper Ruud to advance to the second round.
He then played Lucas Pouille and achieved the biggest win of his career, defeating the Frenchman in straight sets.
In the next round, he faced Gilles Müller again, but this time came out on top in three sets to reach his first ATP 500 quarterfinal.
He lost to Kei Nishikori in three sets.
In September, Paul broke into the top 100 for the first time in his career having won his second ATP Challenger title of the year in New Haven, after winning in Sarasota earlier in the season.
Paul started his season at the first edition of the Adelaide International.
Getting past qualifying, he reached the semifinals where he lost to fellow qualifier Lloyd Harris.
