Raluka Serban vs Ekaterina Tupitsyna | W50 Istanbul Round of 32

UMPIRY

W50 IstanbulR32HardTue 27 Oct · 10:15

Raluka SerbanWTA #401 · CYP55%

VSToss-up

Ekaterina TupitsynaWTA #492 · RUS45%

Win probabilityWho is more likely to winToss-up

55%45%

No meaningful edge. Serve performance in the first set is the likeliest tiebreaker.

Umpiry ScoreMatchup strength, 0–10 · not a probability

Serban R.5.5/10

Slight disadvantageBased on 5/6 signal groups5/6

Tupitsyna E.4.8/10

Heavy underdogBased on 5/6 signal groups5/6

Why

Surface form2 of last 10 on hardInformative

Surface switchClay → HardAgainst the prediction · Tupitsyna E.

Head-to-headNo prior meetingsBoth players

This eventDidn't play here last yearBoth players

ELO1 614

Hard ELO1 574

Last 104–6

Age29

ELO1 604

Hard ELO1 598

Last 107–3

Age56

Raluka Serban faces Ekaterina Tupitsyna in the W50 Istanbul round of 32 on hard. Raluka Serban holds the paper edge — ranked #401.

Key context

Form trend: Form trajectories diverge: Raluka Serban rising, Ekaterina Tupitsyna cooling.
Last match: Ekaterina Tupitsyna handed Doga Turkmen a first-set bagel in a 6–0 6–3 win.
Fatigue load: Ekaterina Tupitsyna carries the heavier recent load — 1 three-setter to 0 in the past fortnight.

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

Serban R.Tupitsyna E.

FormLast 10 matches each · 2026

Win–loss4–67–3

Season win rate38% (15–24)83% (30–6)

RatingUmpiry ELO

Overall ELO16141604

Hard-court ELO15741598

Serve vs returnLast 38 vs 27 matches

1st-serve points won61%67%

Return points won45%52%

Aces / match1.51.1

ClutchLast 38 vs 27 matches

Break points saved50%61%

Draw

Odds

Conditions

10:15 local

SurfaceHard

Forecast14°C · Showers

Wind27 km/h

Humidity84%

Cite this

Umpiry, "Raluka Serban vs Ekaterina Tupitsyna — W50 Istanbul Round of 32", https://umpiry.com/match/2026-10-27/serban-vs-tupitsyna-w50-istanbul-r32?utm_source=cite (as of 27 October 2026).