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Valentini Grammatikopoulou vs T. Krejcova — W15 Karlovy Vary Round of 16

W15 Karlovy VaryR16HardWed 21 Oct · 11:30
Valentini Grammatikopoulou(1)WTA #519 · GRE79%
VSClear favourite · Grammatikopoulou V.
T. KrejcovaCZE21%
Win probabilityWho is more likely to winClear favourite · Grammatikopoulou V.
79%21%

Clear edge for Grammatikopoulou V. across form, surface and matchup. Upsets at this level happen in about 1 in 5 such matches.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Grammatikopoulou V.3.7/10
Heavy underdogBased on 5/6 signal groups5/6
Krejcova T.4.6/10
Heavy underdogBased on 5/6 signal groups5/6
Why
Surface form2 of last 10 on hardInformative
Recent runLost last 7Informative
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 621
Hard ELO1 525
Last 107–3
Age29
EarningsCareer $971K2026 $15K
ELO1 493
Hard ELO1 498
Last 106–4
Age18
EarningsCareer $8K2026 $4K

Common opponents

0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.

Head-to-head

They have not met before.

Evidence

Grammatikopoulou V.Krejcova T.
FormLast 10 matches each · 2026
Win–loss7–3 (ahead)6–4
Season win rate70% (23–10) (ahead)65% (11–6)
RatingUmpiry ELO
Overall ELO1621 (ahead)1493
Hard-court ELO1525 (ahead)1498
Serve vs returnLast 28 vs 10 matches
1st-serve points won63% (ahead)60%
Return points won50% (ahead)47%
Aces / match1.01.6 (ahead)
ClutchLast 28 vs 10 matches
Break points saved55%55%

Draw

Odds

Conditions

11:30 local
SurfaceHard
Forecast9°C · Rain
Wind6 km/h
Humidity82%

Cite this

Umpiry, "Valentini Grammatikopoulou vs T. Krejcova — W15 Karlovy Vary Round of 16", https://umpiry.com/match/2026-10-21/grammatikopoulou-vs-krejcova-w15-karlovy-vary-r16?utm_source=cite (as of 21 October 2026).