- Who
- Molla Bjurstedt-Mallory
- What
- 42/171 year(s):day(s)
- Where
- United States ()
- When
Molla Bjurstedt-Mallory (Norway, 6 March 1884–22 November 1959), was 42 years 171 days old when she won the women's singles title at the 1926 US National Championships (now US Open). Molla beat Elizabeth Ryan 4–6, 6–4, 9–7, in the final on 23 August.
