Thora Gerda Sofie Castenschiold (1 February 1882 – 30 January 1979) was a Danish tennis player at the beginning of the 20th century. She was the first woman to represent Denmark at the Olympics. Career Castenschiold, a member of Copenhagen's KB, won the title at the first Danish women's tennis championships in 1906. She could defend it four times in a row until 1910. She took part in the 1912 Summer Olympics at Stockholm and won the silver medal in the indoor singles competition. References External links 1882 births 1979 deaths Danish female tennis players Olympic silver medalists for Denmark Olympic tennis players of Denmark Tennis players at the 1912 Summer Olympics Olympic medalists in tennis Sportspeople from Copenhagen Medalists at the 1912 Summer Olympics 20th-century Danish women