Jan Kumstat vs Frederico Ferreira Silva — Liberec Quarter-final
Jan Kumstat defeated Frederico Ferreira Silva in the quarterfinals of the Liberec tournament on clay, winning 6-4, 7-5. Kumstat hit 9 aces to Ferreira Silva's 2 and converted 29% of break points, while Ferreira Silva did not convert any. Kumstat won 82% of first-serve points to Ferreira Silva's 71%, and he broke Ferreira Silva's serve twice.
Generated automatically from Umpiry match data.
Key context
- Match story: Jan Kumstat edged Frederico Ferreira Silva in two tight sets (6–4 7–5).
How the match was decided
Auto-generatedKumstat J. took it in straight sets, breaking once in each.
- Breaks of serveKumstat J. 2 · Ferreira Silva F. 0
- AcesKumstat J. 9 · Ferreira Silva F. 2
- Double faultsKumstat J. 5 · Ferreira Silva F. 4
Turning points
When the match moved- Kumstat J. · Broke, never broken back
- Kumstat J. · Broke, never broken back
Serve flowKumstat J. unbroken · Ferreira Silva F. broken twice.
- Hold to love/15
- Hold to 30
- Hold to 40 / deuce
- Broken
- Result unknown
Kumstat J.11/11Ferreira Silva F.9/11
Set 1Set 2
Match momentum
Whole matchKumstat J.Ferreira Silva F.Late momentumKumstat J.25
8Last 12 points4
11Last 3 games7
2/7Break points0/4
Break of serve
Serve & return performance
Key performance gapsAcesKumstat J. served 9 aces, Ferreira Silva F. 2. Largest performance gap of the match.+7Kumstat J.9Ferreira Silva F.2
Common opponents
0 shared · last 12 monthsNo common opponents in the last 12 months. Surface form and ELO carry more weight here.
Draw
Closing odds
Next up
Player context
Before the matchKumstat J.Ferreira Silva F.1 674ELO1 6941 640Clay ELO1 5989–1Last 103–719Age31RightPlaysLeftCareer $76K2026 $50KEarningsCareer $924K2026 $114K
Cite this
Jan Kumstat beat Frederico Ferreira Silva 6-4 7-5. Umpiry, "Jan Kumstat vs Frederico Ferreira Silva — Liberec Quarter-final", https://umpiry.com/match/2026-07-31/kumstat-vs-silva-liberec-qf?utm_source=cite (as of 31 July 2026).