Koshiishi vs Guillen — W75 Sydney 1 Q32

W75 Sydney 1 · ITF · Q32

JPN

Ayumi Koshiishi

#771WTA

1224ELO

1213Hard ELO

26 yrs

Last 10 · pre-match

LLWLWWLLWW

2 — 0

Sets

Sunday, 16 November 2025 · 00:00

hard

AUS

Giselle Isabella Guillen

#1059WTA

18 yrs · Right-handed

Last 10 · pre-match

LLWLLLLWWW

Koshiishi A.

6-0 6-2

Isabella Guillen G.

Koshiishi A.

662

Isabella Guillen G.

020

Ayumi Koshiishi defeated Giselle Isabella Guillen 6-0 6-2 in the W75 Sydney 1 q32 on hard.

Key context

Match story: Ayumi Koshiishi handed Giselle Isabella Guillen a first-set bagel in a 6–0 6–2 win.

Head to head

No previous meetings on record.

Serve vs return

This season

Koshiishi A.serving46% hold

wins 48% of points on serve vs Isabella Guillen G.

Isabella Guillen G.serving40% hold

wins 46% of points on serve vs Koshiishi A.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season

Koshiishi A.Isabella Guillen G.

1st serve in·Even

63%

59%

1st serve points won·Even

58%

57%

2nd serve points won·Even

42%

Service points won·Even

52%

51%

Return points won·Even

46%

44%

Break points saved·Slight edge

48%

55%

Aces / match·Slight edge

2.0

0.8

Double faults / match·Dominant

2.5

5.8

Averages over each player's completed matches in the selected window (89 vs 15). ATP, WTA & Challenger.

Ayumi Koshiishi vs Giselle Isabella Guillen — W75 Sydney 1 Q32

Key context

Head to head

Serve vs return

Statistics

Draw

Serve vs return