Daniel Siniakov

Daniel Siniakov
Country (sports)	Czech Republic
Born	15 January 2003 (age 23); Hradec Králové, Czech Republic
Height	1.83 m (6 ft 0 in)
Plays	Right-handed (two-handed backhand)
Prize money	US $76,882
Singles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 438 (13 July 2026)
Current ranking	No. 512 (14 September 2026)
Doubles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	1 Challenger, 5 ITF
Highest ranking	No. 183 (14 September 2026)
Current ranking	No. 183 (14 September 2026)
	Last updated on: 14 September 2026.

Daniel Siniakov (born 15 January 2003) is a Czech tennis player. Siniakov has a career high ATP singles ranking of No. 438 achieved on 13 July 2026 and a career high ATP doubles ranking of No. 183 achieved on 14 September 2026.^[1]

Siniakov has won one ATP Challenger doubles title at the 2025 INTARO Open II.

Daniel is younger brother of Grand Slam champion and world No. 1 player Kateřina Siniaková.

ATP Challenger and ITF Tour finals

Singles: 1 title

Legend
ATP Challenger (0–0)
ITF Futures (1–0)

Finals by surface
Hard (1–0)
Clay (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	April 2026	M25 Sharm El Sheikh, Egypt	World Tennis Tour	Hard	Grigory Shebekin	6–0, 6-3

Doubles: 2 (2 titles)

Legend
ATP Challenger Tour (2–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Sep 2025	Târgu Mureș, Romania	Challenger	Hard	Dominik Reček	Simone Agostini Tommaso Compagnucci	6–2, 5–7, [11–9]
Win	2–0	Aug 2026	Augsburg, Germany	Challenger	Clay	Dominik Reček	Juan Manuel La Serna Eduardo Ribeiro	6–2, 6–3