French Open champion Barbora Krejcikova completed a rare sweep of titles at Roland Garros as she won a third women's doubles major trophy with fellow Czech teammate Katerina Siniakova on Sunday.

Less than 24 hours after she claimed her maiden singles slam title, Krejcikova became the first woman since Mary Pierce in 2000 to lift both trophies at the clay-court major. Only seven women have completed the titles sweep at Roland Garros.

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Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova wave after they defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

French Open champion Barbora Krejcikova completed a rare sweep of titles at Roland Garros as she won a third women's doubles major trophy with fellow Czech teammate Katerina Siniakova on Sunday.

USA's Bethanie Mattek-Sands, left, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

In addition to her pair of trophies, Krejcikova will reclaim the No. 1 spot in the doubles rankings next week.

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

Krejcikova and Siniakova are both 25 but have extensive experience playing together, having started their partnership in the juniors back in 2013. It clearly showed in their 6-4, 6-2 win over Bethanie Mattek-Sands and Iga Swiatek in Sunday's final as they converted five of their seven break points.

Czech Republic's Barbora Krejcikova, second left, and compatriot Katerina Siniakova, left, USA's Bethanie Mattek-Sands, second right, and Poland's Iga Swiatek hold their trophies after their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

Siniakova and Krejcikova had already won in Paris in 2018 and claimed the Wimbledon trophy the same year.

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

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Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova hold the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova hold the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova clap hands after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova clap hands after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

USA's Bethanie Mattek-Sands, right, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

USA's Bethanie Mattek-Sands, right, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova walk together after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova walk together after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

“Right now after all of this happened, this last two weeks, last two days, I feel really relieved and relaxed," Krejcikova said. “I just know from now on I can really enjoy because I have pretty much achieved everything I really wanted. Now I can just improve, that’s the only thing I can do, just improving."

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova wave after they defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova wave after they defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

In addition to her pair of trophies, Krejcikova will reclaim the No. 1 spot in the doubles rankings next week.

“We will have a little bit glass of champagne," Krejcikova said. “I already said I don’t really drink but I think it’s a time to actually celebrate it. I think we going to really enjoy."

Krejcikova, who defeated Anastasia Pavlyuchenkova for the women’s singles title on Saturday, also became the first player to sweep both titles at any Grand Slam tournament since Serena Williams at Wimbledon in 2016.

USA's Bethanie Mattek-Sands, left, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

USA's Bethanie Mattek-Sands, left, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Krejcikova and Siniakova are both 25 but have extensive experience playing together, having started their partnership in the juniors back in 2013. It clearly showed in their 6-4, 6-2 win over Bethanie Mattek-Sands and Iga Swiatek in Sunday's final as they converted five of their seven break points.

After racing to a 4-0 lead in the opening set, they resisted a late comeback from their rivals with an efficient display at the net. Krejcikova served out the set at love as Mattek-Sands missed a tough backhand volley.

The Czech pair won the last four games and sealed the match with Siniakova's final backhand winner.

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

Siniakova and Krejcikova had already won in Paris in 2018 and claimed the Wimbledon trophy the same year.

“I’m just really happy that we have another title and looking forward we going to continue with our cooperation in Wimbledon and also for the Olympics," Krejcikova said. “I hope there’s going to be a bright future for us."

Swiatek was the defending singles champion in Paris but bowed out in the quarterfinals this year.

Czech Republic's Barbora Krejcikova, second left, and compatriot Katerina Siniakova, left, USA's Bethanie Mattek-Sands, second right, and Poland's Iga Swiatek hold their trophies after their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, second left, and compatriot Katerina Siniakova, left, USA's Bethanie Mattek-Sands, second right, and Poland's Iga Swiatek hold their trophies after their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP PhotoThibault Camus)

More AP Tennis: https://apnews.com/hub/tennis and https://twitter.com/AP_Sports

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova hold the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova hold the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova clap hands after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova clap hands after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

USA's Bethanie Mattek-Sands, right, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

USA's Bethanie Mattek-Sands, right, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova walk together after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova walk together after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)

Czech Republic's Barbora Krejcikova, right, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP PhotoThibault Camus)