Date of Birth: 
Place of Birth: Tallinn, Estonia
About Kristofer Siimar
- Kristofer Siimar (born 3 February 1998) is an Estonian tennis player. Siimar has a career high ATP doubles ranking of 1478 achieved on 11 December 2017. Siimar represents Estonia at the Davis Cup where he has a W/L record of 0–1.
- His twin brother Mattias Siimar is also a tennis player.
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