- Who
- Svetlana Kuznetsova, Francesca Schiavone
- What
- 4:44 hour(s):minute(s)
- Where
- Australia (Melbourne)
- When
The longest match played by time in a female Grand Slam tennis singles competition lasted 4 hr 44 min between Francesca Schiavone (Italy) and Svetlana Kuznetsova (Russia) in the round of 16 at the 2011 Australian Open on 23 January 2011. Schiavone won the match 4-6, 6-1, 16-14.