Siim Troost

{{Short description|Estonian tennis player}}

{{Infobox tennis biography

|name = Siim Troost

|image =

|caption =

|fullname =

|country = {{EST}}

|residence = Tallinn, Estonia

|birth_date = {{birth date and age|df=yes|1999|12|7}}

|birth_place =

|height =

|weight =

|turnedpro =

|plays = Right-handed (two-handed backhand)

|college = University of Minnesota (2019–21)
Vanderbilt University (2021–current)

|careerprizemoney = $10,650

|singlesrecord = 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup)

|singlestitles = 0

|highestsinglesranking = No. 1374 (18 July 2022)

|currentsinglesranking =

|doublesrecord = 1–1 (at ATP Tour level, Grand Slam level, and in Davis Cup)

|doublestitles = 1 ITF

|highestdoublesranking = No. 607 (6 May 2024)

|currentdoublesranking = No. 1493 (25 November 2024)

|Team = yes

|DavisCupresult = 4–2

|updated = 25 November 2024

}}

Siim Troost (born 7 December 1999) is an Estonian tennis player.

Troost has a career high ATP singles ranking of 1374, achieved on 18 July 2022. He also has a career high doubles ranking of 607, achieved on 6 May 2024. Troost has won 1 ITF doubles title.

Troost represents Estonia at the Davis Cup, where he has a W/L record of 4–2.{{Cite web|url=https://www.blick.ch/sport/tennis/esten-im-davis-cup-weggeputzt-duo-stricker-huesler-sichert-der-schweiz-den-sieg-id16842056.html|title=Duo Stricker/Hüsler sichert der Schweiz den Sieg|website=www.blick.ch|language=German}}

Troost currently plays college tennis at Vanderbilt University.{{Cite web|url=https://vucommodores.com/sports/mten/roster/season/2021-22/player/siim-troost/|title=Siim Troost - Vanderbilt University Athletics|website=Vanderbilt University}} He previously played for the University of Minnesota.