Haruka Kaji vs Yufei Ren — Jinan 125 Round of 32

Jinan 125 · CHALLENGER · Round of 32
JPN
Haruka Kaji
#258WTA
1421ELO
1412Hard ELO
31 yrs · Right-handed
Last 10 · pre-match
LWWWLWLWLW
2 — 1
Sets
Monday, 13 October 2025
hard
CHN
Yufei Ren
#306WTA
1361ELO
1328Hard ELO
20 yrs · Right-handed
Last 10 · pre-match
LLLWWWWLLL
Kaji H.
4-6 6-2 7-5
Ren Y.
Kaji H.
4672
Ren Y.
6251

Haruka Kaji defeated Yufei Ren 4-6 6-2 7-5 in the Jinan 125 round of 32 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kaji H.serving35% hold

wins 44% of points on serve vs Ren Y.

Ren Y.serving47% hold

wins 49% of points on serve vs Kaji H.

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
Kaji H.Ren Y.
1st serve in·Slight edge
68%
63%
1st serve points won·Even
57%
60%
2nd serve points won·Even
47%
45%
Service points won·Even
54%
54%
Return points won·Slight edge
45%
50%
Break points saved·Even
53%
50%
Aces / match·Even
0.9
1.1
Double faults / match·Clear edge
2.1
3.4

Averages over each player's completed matches in the selected window (82 vs 84). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Kaji H.
6.3
Marginal edgeUmpiry ScorePartial · surface data limited
Ren Y.
6.0
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.0
Surface form
5.1
Win streak
0.0Lost last 3
Fatigue & Travel
7.0
3-set count
7.0
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
Kaji H.Ren Y.
Freshness·
—
90

Ren Y.: 6 days rest · 1 match, 30 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Tjen J.
Bondar A.
6-44-66-4
Semi-finals
Tjen J.
Sun L.
4-67-676-4
Bondar A.
Nugroho P.
6-46-0
Quarter-finals
Sun L.
Zakharova A.
7-616-0
Tjen J.
Gao X.
6-46-0
Nugroho P.
Rodionova A.
1-66-26-2
Bondar A.
Ma Y.
7-6106-2
R16
Zakharova A.
Prozorova T.
6-16-2
Sun L.
Hartono A.
6-16-2
Nugroho P.
Osuigwe W.
2-66-26-4
Rodionova A.
Erjavec V.
6-26-746-2
Tjen J.
Iatcenko P.
6-36-4
Bondar A.
Wei S.
6-17-5
Gao X.
Kaji H.
6-36-3
Ma Y.
Korneeva A.
6-36-3
R32
Tjen J.
Wang Y.
6-46-746-2
Iatcenko P.
Pridankina E.
1-66-46-2
Gao X.
Rakotomanga Rajaonah T.
7-636-3
Osuigwe W.
Paquet C.
6-26-4
Rodionova A.
Andreeva E.
7-56-3
Erjavec V.
Tian F.
6-37-5
Prozorova T.
Reyngold E.
6-27-63
Nugroho P.
Bai Z.
5-76-36-4
Korneeva A.
You X.
3-66-36-2
Wei S.
Zavatska K.
7-57-64
Ma Y.
Jimenez Kasintseva V.
3-66-46-3
Hartono A.
Li X.
6-17-5
Kaji H.
Ren Y.
4-66-27-5
Bondar A.
Astakhova D.
6-26-0
Zakharova A.
Tararudee L.
6-26-1
Sun L.
Shi H.
3-66-06-0