Rina Saigo vs Ayumi Koshiishi — W35 Goyang Quarter-final

W35 Goyang · CHALLENGER · Quarter-final
JPN
Rina Saigo
#318WTA
1307ELO
1293Hard ELO
25 yrs
Last 10 · pre-match
LWLWWWLWWL
0 — 0
Sets
Monday, 28 April 2025
hard
JPN
Ayumi Koshiishi
#691WTA
1224ELO
1213Hard ELO
25 yrs
Last 10 · pre-match
LWWLLLLWLW
Saigo R.
6-4 6-1
Koshiishi A.
Saigo R.
662
Koshiishi A.
41–

Rina Saigo defeated Ayumi Koshiishi 6-4 6-1 in the W35 Goyang quarter-final on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Saigo R.serving42% hold

wins 47% of points on serve vs Koshiishi A.

Koshiishi A.serving35% hold

wins 44% of points on serve vs Saigo R.

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
Saigo R.Koshiishi A.
1st serve in·Slight edge
68%
62%
1st serve points won·Even
57%
58%
2nd serve points won·Even
45%
42%
Service points won·Even
53%
52%
Return points won·Even
48%
46%
Break points saved·Slight edge
54%
48%
Aces / match·Slight edge
0.8
2.2
Double faults / match·Even
2.5
2.7

Averages over each player's completed matches in the selected window (90 vs 44). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Saigo R.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Koshiishi A.
5.5
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
6.7No prior meetings
H2H
3.3
3.0
Surface form
3.1
0.0Lost last 2
Win streak
0.0Lost last 5
Context
5.0
Defending pts
5.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Freshness

Recent load
Saigo R.Koshiishi A.
Freshness·
92
—

Saigo R.: 1 day rest · 1 match, 12 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast

Draw

Final
Saigo R.
Tjen J.
2-66-46-1
Tjen J.
Zhu L.
6-46-1
Semi-finals
Saigo R.
Ahn Y.
6-36-4
Tjen J.
You X.
7-56-1
Zhu L.
Guo H.
7-56-1
Tjen J.
Lee E.
7-656-4
Quarter-finals
Ahn Y.
Muramatsu C.
2-67-57-5
Tjen J.
Imamura S.
7-56-1
Saigo R.
Koshiishi A.
6-46-1
You X.
Yamazaki I.
6-16-2
Zhu L.
Abe H.
7-53-67-5
Lee E.
Li Z.
7-643-66-1
Guo H.
Defalco J.
7-56-0
Tjen J.
Back D.
6-16-0
R16
You X.
Zhu A.
6-16-2
Tjen J.
Yang Y.
6-16-0
Koshiishi A.
Zolotareva A.
6-756-46-3
Imamura S.
Kovapitukted P.
5-76-16-2
Muramatsu C.
Matsuda M.
7-56-2
Saigo R.
Ren Y.
6-16-1
Yamazaki I.
Defalco J.
7-626-1
Ahn Y.
Naklo T.
6-36-3
Guo H.
Wong H.
6-11-66-1
Zhu L.
Zhu A.
7-56-3
Defalco J.
Hosogi S.
7-656-1
Lee E.
Liang E.
6-36-3
Abe H.
Zheng W.
6-16-2
Back D.
Muramatsu C.
6-33-66-3
Li Z.
Koshiishi A.
6-46-2
Tjen J.
You X.
3-66-36-2
R32
Naklo T.
Morvayova V.
6-756-04-1
Muramatsu C.
Kulikova A.
7-686-2
Koshiishi A.
Lee E.
6-26-2
Ahn Y.
Barry M.
6-26-3
Ren Y.
Guo H.
6-26-3
Yamazaki I.
Lu J.
3-66-36-0
You X.
Reyngold E.
6-26-3
Imamura S.
Back D.
6-36-3
Saigo R.
Jeong B.
7-56-3
Tjen J.
Lansere S.
6-26-1
Zolotareva A.
Choo Y.
6-37-5
Defalco J.
Zhang Y.
6-46-3
Kovapitukted P.
Hu F.
6-36-0
Yang Y.
Jeong U.
6-26-3
Zheng W.
Lee Y.
6-16-1
Guo H.
Yamazaki I.
4-66-36-4
Muramatsu C.
Reyngold E.
7-646-4
Liang E.
Kim Y.
6-16-3
Defalco J.
Sato H.
6-16-2
Back D.
Saigo R.
6-746-36-4
Lee E.
Jeong U.
6-06-2
Zhu L.
Chaudhari V.
6-26-3
Koshiishi A.
Hong Y.
4-67-56-1
Abe H.
Choi S.
6-26-0
Hosogi S.
Koike E.
6-01-66-2
Li Z.
Kovapitukted P.
7-624-66-4
Tjen J.
Naklo T.
6-746-36-1
Zhu A.
Barry M.
6-756-26-2
You X.
Kulikova A.
6-31-0
Wong H.
Kim C.
6-04-1