Vitaliy Sachko vs Daniel Siniakov — Prague Round of 32
Prague · CHALLENGER · Round of 32
UKR1#191ATP
1584ELO
1550Clay ELO
$158kYTD
$835kCAREER
29 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWLLWLWLLW
—
Sets
Cancelled
Monday, 17 August 2026 ·
clay
CENTER COURT · 3rd on
Sachko V.vs
Siniakov D.
The Prague round of 32 between Vitaliy Sachko and Daniel Siniakov was cancelled. Cancellations usually follow weather, a scheduling change, or a withdrawal.
Head to head
1–0| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-19 | M25 Jablonec nad Nisou 1 | R32 | clay | Vitaliy Sachko | 4-6 6-3 6-4 |
Statistics
This season1st serve in·Slight edge
63%
69%
1st serve points won·Even
66%
68%
2nd serve points won·Slight edge
50%
42%
Service points won·Even
60%
60%
Return points won·Even
39%
41%
Break points saved·Even
56%
57%
Aces / match·Slight edge
3.6
4.5
Double faults / match·Dominant
2.0
4.1
Averages over each player's completed matches in the selected window (22 vs 14). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 13:50 UTCSachko V.54%
Siniakov D.46%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Toss-up · Too close to call
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-match5.8
Slight disadvantageUmpiry ScorePartial · surface data limited5.6
Slight disadvantageUmpiry ScorePartial · surface data limitedForm & Matchup
5.0First meeting on clay
H2H5.0First meeting on clay
4.55 of last 10 on clay
Surface form3.54 of last 10 on clay
0.0
Win streak0.0Lost last 2
Fatigue & Travel
4.02 three-setters in 14 days
3-set countContext
5.0Didn't play here last year
Defending pts5.0Didn't play here last year
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadFreshness·Even
88
88
Sachko V.: 7 days rest · 1 match, 26 games (7d) · Siniakov D.: 1 day rest · 1 match, 19 games (7d). Higher means fresher. About
Conditions
Court speed
Slowlow bounce, long rallies
SlowFast
Weather
22°COvercast
Wind 16 km/hHumidity 66%