Daniel Siniakov| Country (sports) |  Czech Republic |
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| Born | (2003-01-15) 15 January 2003
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| Height | 1.83 m (6 ft 0 in) |
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| Plays | Right-handed (two-handed backhand) |
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| Prize money | US $59,137 |
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| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
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| Career titles | 0 |
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| Highest ranking | No. 477 (29 June 2026) |
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| Current ranking | No. 477 (29 June 2026) |
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| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
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| Career titles | 1 Challenger, 5 ITF |
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| Highest ranking | No. 293 (20 April 2026) |
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| Current ranking | No. 301 (29 June 2026) |
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| Last updated on: 29 June 2026. |
Daniel Siniakov (born 15 January 2003) is a Czech tennis player. Siniakov has a career high ATP singles ranking of No. 477 achieved on 29 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
Singles: 1 title
| Legend
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| ATP Challenger (0–0)
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| ITF Futures (1–0)
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| Finals by surface
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| Hard (1–0)
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| Clay (0–0)
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| Result
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W–L
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Date
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Tournament
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Tier
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Surface
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Opponent
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Score
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| Win
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1–0
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April 2026
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M25 Sharm El Sheikh, Egypt
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World Tennis Tour
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Hard
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 Grigory Shebekin
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6–0, 6-3
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Doubles: 1 (1 title)
| Legend
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| ATP Challenger Tour (1–0)
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| Result
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W–L
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Date
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Tournament
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Tier
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Surface
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Partner
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Opponents
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Score
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| Win
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1–0
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Sep 2025
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Târgu Mureș, Romania
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Challenger
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Hard
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Dominik Reček
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 Simone Agostini
Tommaso Compagnucci
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6–2, 5–7, [11–9]
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References
References
External links
External links