Ayumi Koshiishi vs Kallista Liu — W50 Guiyang Round of 32

W50 Guiyang · CHALLENGER · Round of 32

JPN

Ayumi Koshiishi

#771WTA

1224ELO

1213Hard ELO

26 yrs

Last 10 · pre-match

LWLWLWWLLW

2 — 0

Sets

Monday, 8 September 2025 · 00:00

hard

USA

Kallista Liu

#800WTA

22 yrs

Last 10 · pre-match

LWWWWWWWLL

Koshiishi A.

7-6 6-2

Liu K.

Koshiishi A.

762

Liu K.

620

Ayumi Koshiishi defeated Kallista Liu 7-6 6-2 in the W50 Guiyang round of 32 on hard.

Key context

Match story: Ayumi Koshiishi closed it out in two sets, 7–6 6–2.

Head to head

No previous meetings on record.

Serve vs return

This season

Koshiishi A.serving45% hold

wins 48% of points on serve vs Liu K.

Liu K.serving36% hold

wins 44% 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.Liu K.

1st serve in·Slight edge

63%

69%

1st serve points won·Slight edge

59%

54%

2nd serve points won·Even

42%

Service points won·Even

53%

50%

Return points won·Even

46%

45%

Break points saved·Even

48%

47%

Aces / match·Clear edge

2.0

0.3

Double faults / match·Clear edge

2.5

1.6

Averages over each player's completed matches in the selected window (89 vs 43). ATP, WTA & Challenger.

Conditions

Court speed

Medium-fastrewards aggression

SlowFast

Ayumi Koshiishi vs Kallista Liu — W50 Guiyang Round of 32

Key context

Head to head

Serve vs return

Statistics

Conditions

Draw

Serve vs return