Daniel Siniakov

Czech tennis player (born 2003)

Daniel Siniakov
Singles
Country (sports)	Czech Republic
Born	(2003年01月15日) 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 56,813ドル
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 482 (8 June 2026)
Current ranking	No. 482 (8 June 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. 293 (20 April 2026)
Current ranking	No. 301 (8 June 2026)
Last updated on: 8 June 2026.

Daniel Siniakov (born 15 January 2003) is a Czech tennis player. Siniakov has a career high ATP singles ranking of No. 482 achieved on 8 June 2026 and a career high ATP doubles ranking of No. 293 achieved on 20 April 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

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Singles: 1 title

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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: 1 (1 title)

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Legend
ATP Challenger Tour (1–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Sep 2025	Târgu Mureș, Romania	Challenger	Hard	Czech Republic Dominik Reček	Italy Simone Agostini Italy Tommaso Compagnucci	6–2, 5–7, [11–9]