Енцо Куко

2015: Grand Slam doubles debut

Couacaud received a wildcard to enter the doubles main draw in the 2015 French Open with doubles partner Quentin Halys, losing in the first round.

He competed in the 2015 Wimbledon singles qualifying event, losing to John Millman in the third qualifying round.

2021: Major singles debut at the French Open and first win

Couacaud made his Grand Slam singles main draw debut at the 2021 French Open as a wildcard where he defeated Egor Gerasimov to reach the second round.

2022: Wimbledon and US Open debut

In May, Couacaud was awarded a wildcard into the main draw of the 2022 French Open in doubles partnering Manuel Guinard where they defeated Hans Hach Verdugo and Philipp Oswald.

He qualified for the 2022 Wimbledon Championships making his debut at this Major. He also qualified for the next Major making his debut at the US Open.

2023: Australian Open debut

In January, Couacaud qualified for the 2023 Australian Open making his debut at this Major. He reached the second round, where he took a set off eventual champion Novak Djokovic but lost in four sets.

In May, Couacaud was awarded a wildcard into the main draw of the 2023 French Open in doubles partnering Arthur Rinderknech.

Couacaud qualified for Wimbledon for the second year in a row, losing in the first round to J. J. Wolf. He then qualified for the US Open, also for the second year in a row. Couacaud lost to Jiri Vesely in the first round of the main draw.

2024: Successful run at Challenger Tour

In January, Couacaud reached the final in Nouméa New Caledonia, his first Challenger final in two years but lost in the final to fellow countryman Arthur Cazaux. In March, he reached another Challenger final in São Léopoldo, Brazil, losing to Adolfo Daniel Vallejo in the final. The following week, he won the title in Florianópolis, Brazil, defeating Joao Lucas Reis Da Silva in the final. This represented his first Challenger title in three years.