Tamara Zidansek vs Bianca Andreescu

UMPIRY

Cali Open - CaliR32ClayTue 3 Nov · 11:00

Tamara ZidansekWTA #139 · SLO32%

VSClear favourite · Andreescu B.

Bianca Andreescu(8)WTA #109 · CAN68%

Win probabilityWho is more likely to winClear favourite · Andreescu B.

32%68%

Clear edge for Andreescu B. across form, surface and matchup. Upsets at this level happen in about 1 in 3 such matches.

Umpiry ScoreMatchup strength, 0–10 · not a probability

Zidansek T.5.9/10

Even match

Andreescu B.7.1/10

Strong advantage

Why

Surface+16 Clay Elo edgeAgainst the prediction · Zidansek T.

Overall ratingOverall Elo 1701Supports Andreescu B.

Recent run10-match win streakSupports Andreescu B.

Head-to-headLeads 1–0 on clayInformative

This eventDidn't play here last yearBoth players

ELO1 773

Clay ELO1 755

Last 104–6

Age28

Height168 cm

PlaysRight

EarningsCareer $3.7M2026 $170K

ELO1 855

Clay ELO1 662

Last 1010–0

Age26

Height170 cm

PlaysRight

EarningsCareer $10.1M2026 $294K

Tamara Zidansek faces Bianca Andreescu in the Cali Open - Cali round of 32 on clay. Tamara Zidansek is the paper favourite — leading the head-to-head 2–0, a roughly 20-point clay Elo advantage — but Bianca Andreescu rides a 10-match win streak.

Key context

Freshness: Tamara Zidansek comes in with 3 days of rest and 49 games in 14d, vs Bianca Andreescu's 1 and 93.
Serve & return: Bianca Andreescu leads on Serve Rating (31), Tamara Zidansek on Return Rating (40).
Win streak: Bianca Andreescu arrives on a 10-match winning run.

Common opponents

1 shared · last 12 months

Zidansek T. and Andreescu B. faced 1 of the same opponent in the last 12 months. Zidansek T. went 0–1 (0%) against them, Andreescu B. 0–1 (0%).

0–10%Zidansek T. · better vs 0Record vs common opponents0–10%Andreescu B. · better vs 0

Vs common opponents · derived from scorelines

0–2Sets1–2

4–12Games9–15

0–0Deciding sets0–1

Only 1 common opponent — too few for any conclusion. Shown without assessment.

vs Yuan Y.#168L3-6 1-6Australian Open · hardL3-6 6-3 0-6Saint Malo 125 · clay

Head-to-head

2 meetings · Zidansek T. leads 2–0

Hard: Zidansek T. leads 1–0 · Clay: Zidansek T. leads 1–0

Zidansek T.August 2026US OpenHard2-6 6-3 6-4
Zidansek T.May 2021Roland GarrosClay6-7 7-6 9-7

Evidence

Zidansek T.Andreescu B.

FormLast 10 matches each · 2026

Win–loss4–610–0

Season win rate60% (31–21)67% (36–18)

RatingUmpiry ELO

Overall ELO17731855

Clay-court ELO17551662

Serve vs returnLast 50 matches each

1st-serve points won60%65%

Return points won46%45%

Aces / match1.13.3

ClutchLast 50 matches each

Break points saved53%55%

Draw

Odds

Conditions

11:00 local

SurfaceClay

Forecast28°C · Drizzle

Wind4 km/h

Humidity73%

Freshness

Last 7 & 14 days

Zidansek T.Andreescu B.

3Days since last match1

2Matches · 7 days5

49Games · 7 days93

2Matches · 14 days5

49Games · 14 days93

Green marks the fresher player.

Cite this

Umpiry, "Tamara Zidansek vs Bianca Andreescu — Cali Open - Cali Round of 32", https://umpiry.com/match/2026-11-03/andreescu-vs-zidansek-cali-open-cali-r32?utm_source=cite (as of 3 November 2026).