Kristjan Tamm

Kristjan Tamm (born 16 June 1998) is an Estonian tennis player. Tamm has a career high ATP singles ranking of No. 625 achieved on 21 December 2020 and a career high ATP doubles ranking of No. 427 achieved on 10 November 2025. Tamm has won 2 ITF titles.

Tamm has represented Estonia at Davis Cup. In Davis Cup he has a win–loss record of 2–2.

Challenger and World Tennis Tour finals Singles 4 (3–1) Legend (doubles)ATP Challenger Tour (0–0)ITF World Tennis Tour (3–1)Titles by surfaceHard (3–1)Clay (0–0)Grass (0–0)Carpet (0–0)

Doubles 8 (1–7) Legend (doubles)ATP Challenger Tour (0–0)ITF World Tennis Tour (1–6)Titles by surfaceHard (0–6)Clay (1–1)Grass (0–0)Carpet (0–0)

Davis Cup

Participations: (2–3)

Group membershipWorld Group (0–0)WG Play-off (0–0)Group I (0–0)Group II (2–1)Group III (0–1)Group IV (0–0)Matches by surfaceHard (2–1)Clay (0–1)Grass (0–0)Carpet (0–0)Matches by typeSingles (2–2)Doubles (0–0) indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface.