Kylie Collins vs Yeon Woo Ku | W50 Austin Round of 16

UMPIRY

W50 AustinR16HardWed 21 Oct · 11:30

Kylie CollinsWTA #323 · USA21%

VSClear favourite · Ku Y.

Yeon Woo Ku(3)WTA #174 · KOR79%

Win probabilityWho is more likely to winClear favourite · Ku Y.

21%79%

Clear edge for Ku Y. 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

Collins K.6.0/10

Even matchBased on 5/6 signal groups5/6

Ku Y.4.5/10

Heavy underdogBased on 5/6 signal groups5/6

Why

Surface form7 of last 10 on hardAgainst the prediction · Collins K.

CountryWon 52% in USA (139)Informative

Head-to-headNo prior meetingsBoth players

This eventDidn't play here last yearBoth players

ELO1 598

Hard ELO1 559

Last 106–4

Age23

EarningsCareer $63K2026 $34K

ELO1 708

Hard ELO1 674

Last 105–5

Age23

EarningsCareer $292K2026 $167K

Kylie Collins faces Yeon Woo Ku in the W50 Austin round of 16 on hard. Yeon Woo Ku holds the paper edge — ranked #174. Recent hard form is closely matched.

Key context

Last match: Kylie Collins dropped just 4 games past Anastasia Abbagnato.
Fatigue load: Yeon Woo Ku carries the heavier recent load — 2 three-setters to 0 in the past fortnight.
Surface form: Kylie Collins 6 of 10, Yeon Woo Ku 5 of 10 on hard recently — Kylie Collins the sharper of late.

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

Collins K.Ku Y.

FormLast 10 matches each · 2026

Win–loss6–45–5

Season win rate58% (32–23)51% (21–20)

RatingUmpiry ELO

Overall ELO15981708

Hard-court ELO15591674

Serve vs returnLast 44 vs 32 matches

1st-serve points won62%59%

Return points won51%47%

Aces / match0.81.5

ClutchLast 44 vs 32 matches

Break points saved50%54%

Draw

Odds

Conditions

11:30 local

SurfaceHard

Forecast23°C · Clear

Wind6 km/h

Humidity30%

Cite this

Umpiry, "Kylie Collins vs Yeon Woo Ku — W50 Austin Round of 16", https://umpiry.com/match/2026-10-21/collins-vs-ku-w50-austin-r16?utm_source=cite (as of 21 October 2026).