Solana Sierra

Sierra made her Billie Jean King Cup debut for Argentina in 2022.^[1][2] At the 2023 Argentina Open straight sets wins over Varvara Lepchenko^[3] and Robin Montgomery^[4] saw her reach her first WTA 125 quarterfinal, where she lost to fifth seed and eventual champion Laura Pigossi.^[5] Seeded seventh, Sierra also made the last eight at the following week's 2023 Montevideo Open, defeating wildcard Carolina Bohrer Martins^[6] and Ekaterine Gorgodze,^[7] before her run was ended by top seed Diane Parry.^[8]

Sierra reached her third WTA 125 quarterfinal at the Barranquilla Open, where she overcame Jang Su-jeong^[9] and Liang En-shuo,^[10] only to fall at the last eight stage once again, this time to Antonia Ružić.^[11]

Ranked No. 159, Sierra made her Grand Slam tournament debut at the US Open, after qualifying into the main draw.^[12][13] She lost in the first round to Tatjana Maria in straight sets.^[14]

In April, Sierra won her first WTA 125 title at the Antalya Challenger 3 tournament in Turkey, winning five matches. She beat two higher ranked players on the way to the title, including 142nd ranked Leyre Romero Gormaz in the final. This resulted in a new career-high of No. 119 in the singles rankings on 7 April 2025.^[15][16] Sierra made her top-100 debut on 16 June 2025.^[17]

At Wimbledon, where she entered the main-draw as a lucky loser, Sierra recorded her first win and subsequently reached the fourth round – her best achievement at a major thus far. In the first three rounds, she beat Olivia Gadecki, Katie Boulter, and Cristina Bucșa. Sierra became the first lucky loser to reach the women's singles fourth round at Wimbledon in the Open Era and the seventh woman overall to do so at any major, and was the second lucky loser to reach the fourth round of a major this year after Eva Lys at the Australian Open.^[18] Despite losing to Laura Siegemund,^[19] she reached the top-70 at world No. 67 in the WTA rankings on 14 July 2025.^[20]

At the SP Open, seeded second, Sierra reached her first WTA Tour-level quarterfinal with a win over 15-year-old wildcard entrant Nauhany Vitória Leme da Silva.^[21][22] She lost to Francesca Jones in the last eight.^[23]

Sierra won her second WTA 125 title at the Mallorca Women's Championship, defeating Lola Radivojević in the final.^[24]

In April at the Madrid Open, Sierra defeated Dayana Yastremska,^[25] Magdalena Fręch^[26] and Zeynep Sönmez to make it into the fourth round of a WTA 1000 event for the first time.^[27] Her run was ended by Karolína Plíšková.^[28]

Result	Year	Tournament	Surface	Opponent	Score
Loss	2022	French Open	Clay	Lucie Havlíčková	3–6, 3–6

Grand Slam performance – Singles:

• Australian Open: 1R (2022)
• French Open: F (2022)
• Wimbledon: 1R (2021)
• US Open: SF (2021)

Grand Slam performance – Doubles:

• Australian Open: 1R (2022)
• French Open: QF (2022)
• Wimbledon: 1R (2021)
• US Open: 1R (2021)

At the 2021 US Open, she made the semifinals in girls' singles, losing to^[29] eventual champion Robin Montgomery.^[30]

At the 2022 French Open, Sierra made her first junior Grand Slam final, losing to Lucie Havlíčková.^[31]