Barty had a strong start to the season, reaching the final of the Sydney International in her second tournament of the year.
She entered the Australian Open seeded at a Grand Slam tournament for the first time at No.
18, but was upset in the third round by Naomi Osaka.
Barty's best result during the clay court season was at the Internationaux de Strasbourg, where she was the top seed at a WTA Tour singles event for the first time.
She reached her first WTA-level clay court semifinal, but had to retire due to a back injury.
The following week at the French Open, Barty had another tough draw at a Grand Slam event and was defeated by Serena Williams in the second round, despite winning the first set.

Back on her favourite surface, Barty won the Nottingham Open on grass for her second career WTA title.
She defeated home favourite and British No.
1 Johanna Konta in the final.
She then recorded her first match wins at Wimbledon and reached the third round, matching her best result at a Grand Slam tournament.
At the start of the summer hard court season, Barty did well at the Premier 5 hard court tournaments, making it to the semifinals at the Canadian Open and the third round at the Cincinnati Open.
She lost to world No.
1 Simona Halep at both events.
At the US Open, Barty was the 18th seed and reached the fourth round at a Grand Slam tournament for the first time, where she was defeated by No.
8 Karolína Plíšková.

Towards the end of the season, Barty attempted to defend her previous year's finals appearance at the Wuhan Open.
Although she was the only seeded player to make the semifinals, she fell one match short against Aryna Sabalenka.
Having maintained her top 20 ranking, she was able to qualify for the year-end WTA Elite Trophy for the second straight season.
Barty was grouped with Sabalenka and Caroline Garcia and began play by losing to Sabalenka again, while winning eight games.
She then defeated Garcia in straights sets while only conceding seven games, meaning she could only advance if Garcia defeated Sabalenka in straight sets while losing at least eight games.
Garcia won the group's final match while dropping precisely eight games to send Barty into the knockout rounds.
Barty then defeated defending champion Julia Görges and home favourite Wang Qiang to win the biggest title of her career and end the season at a career-high ranking of No.
15 in the world.
Barty had a strong start to the season, reaching the final of the Sydney International in her second tournament of the year. She entered the Australian Open seeded at a Grand Slam tournament for the first time at No. 18, but was upset in the third round by Naomi Osaka. Barty's best result during the clay court season was at the Internationaux de Strasbourg, where she was the top seed at a WTA Tour singles event for the first time. She reached her first WTA-level clay court semifinal, but had to retire due to a back injury. The following week at the French Open, Barty had another tough draw at a Grand Slam event and was defeated by Serena Williams in the second round, despite winning the first set.
Back on her favourite surface, Barty won the Nottingham Open on grass for her second career WTA title. She defeated home favourite and British No. 1 Johanna Konta in the final. She then recorded her first match wins at Wimbledon and reached the third round, matching her best result at a Grand Slam tournament. At the start of the summer hard court season, Barty did well at the Premier 5 hard court tournaments, making it to the semifinals at the Canadian Open and the third round at the Cincinnati Open. She lost to world No. 1 Simona Halep at both events. At the US Open, Barty was the 18th seed and reached the fourth round at a Grand Slam tournament for the first time, where she was defeated by No. 8 Karolína Plíšková.
Towards the end of the season, Barty attempted to defend her previous year's finals appearance at the Wuhan Open. Although she was the only seeded player to make the semifinals, she fell one match short against Aryna Sabalenka. Having maintained her top 20 ranking, she was able to qualify for the year-end WTA Elite Trophy for the second straight season. Barty was grouped with Sabalenka and Caroline Garcia and began play by losing to Sabalenka again, while winning eight games. She then defeated Garcia in straights sets while only conceding seven games, meaning she could only advance if Garcia defeated Sabalenka in straight sets while losing at least eight games. Garcia won the group's final match while dropping precisely eight games to send Barty into the knockout rounds. Barty then defeated defending champion Julia Görges and home favourite Wang Qiang to win the biggest title of her career and end the season at a career-high ranking of No. 15 in the world.
Ashleigh Barty