Solana Sierra (born 17 June 2004) is an Argentine tennis player. She has a career-high WTA singles ranking of No. 64, achieved on 21 July of 2025. She is the current No. 1 Argentine singles player.
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]
2025: First WTA 125 title and major wins and fourth round, top 75
In April, Sierra won her first title at the WTA 125Antalya Challenger 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] As a result, she reached the top 75 in the WTA rankings.