Yeon Woo Ku vs Rina Saigo — W35 Changwon Round of 32

W35 Changwon · CHALLENGER · Round of 32
KOR
Yeon Woo Ku
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
LLWWWWWWWW
0 — 0
Sets
Monday, 12 May 2025
hard
JPN
Rina Saigo
#318WTA
1307ELO
1293Hard ELO
25 yrs
Last 10 · pre-match
LWLWWWLWWL
Ku Y.
6-1 6-0
Saigo R.
Ku Y.
662
Saigo R.
10–

Yeon Woo Ku defeated Rina Saigo 6-1 6-0 in the W35 Changwon round of 32 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Ku Y.serving44% hold

wins 48% of points on serve vs Saigo R.

Saigo R.serving37% hold

wins 45% of points on serve vs Ku Y.

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
Ku Y.Saigo R.
1st serve in·Even
67%
68%
1st serve points won·Even
61%
57%
2nd serve points won·Even
47%
45%
Service points won·Even
56%
54%
Return points won·Even
49%
48%
Break points saved·Even
56%
55%
Aces / match·Even
1.1
0.8
Double faults / match·Clear edge
3.3
2.5

Averages over each player's completed matches in the selected window (89 vs 90). ATP, WTA & Challenger.

Clutch

Under pressure
Ku Y.Saigo R.
Clutch Rating·Slight edge
50
56
Break points saved·Clear edge
51
35
Break points won·Slight edge
86
96
Deciding sets·Clear edge
63
81
Tiebreaks·
—
—

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Ku Y.
6.1
Even matchUmpiry Score
  • Extended break: 35 days (−0.7)
Saigo R.
5.9
Even matchUmpiry Score
Form & Matchup
6.7+208 Hard Elo edge
Surface ELO
3.3Hard Elo 1293
6.8Overall Elo 1519
ELO gap
3.2Overall Elo 1307
5.4No prior meetings
H2H
4.6
7.3
Surface form
6.3
Win streak
0.0
Fatigue & Travel
3-set count
4.0
Context
6.0
Defending pts
6.0

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
Ku Y.Saigo R.
Freshness·Clear edge
100
82

Ku Y.: 21 days rest · Saigo R.: 1 day rest · 2 matches, 30 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast

Draw

Final
Reyngold E.
Zheng W.
4-67-57-62
Semi-finals
Reyngold E.
Wong H.
6-16-1
Zheng W.
Tjen J.
7-56-4
Quarter-finals
Wong H.
Abe H.
6-37-5
Reyngold E.
Ku Y.
6-37-63
Zheng W.
Koshiishi A.
6-46-3
Tjen J.
Back D.
1-67-646-3
R16
Back D.
Lee Y.
7-56-2
Reyngold E.
Lee E.
6-12-66-3
Abe H.
Zolotareva A.
7-651-66-0
Zheng W.
Yamazaki I.
6-36-0
Ku Y.
Lu J.
6-46-4
Koshiishi A.
Koike E.
6-36-3
Wong H.
Muramatsu C.
3-66-36-1
R32
Koike E.
Park S.
6-16-1
Lu J.
Kwon M.
6-36-0
Zolotareva A.
Hosogi S.
6-26-2
Zheng W.
Sema E.
6-16-3
Wong H.
Chaudhari V.
4-66-47-65
Tjen J.
Park Y.
6-26-1
Li Z.
Sim M.
6-16-2
Lee E.
Lee E.
6-46-2
Ku Y.
Saigo R.
6-16-0
Muramatsu C.
Park S.
6-736-26-1
Abe H.
Jeong B.
2-66-46-3
Lee Y.
Lansere S.
6-47-5
Back D.
Kovapitukted P.
6-34-66-3
Reyngold E.
Matsuda M.
6-46-3
Koshiishi A.
Sato H.
6-26-2
Yamazaki I.
Katsumi N.
6-06-3