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Head-to-Head

Haruka Kaji vs Yufei RenPrediction, Head-to-Head Results, and Stats

HK

🇯🇵Haruka Kaji

#278 · 31 yrs · Right-Handed

2–0

2 meetings · sets 4–1

YR

🇨🇳Yufei Ren

#291 · 20 yrs · Right-Handed

Haruka Kaji and Yufei Ren have met 2 times since 2025; Haruka Kaji leads 2–0. Their first meeting came at WTA 125 Jinan Open - Jinan in 2025 on hard. On hard courts Kaji leads 2–0. Kaji has won the last 2 meetings. Across all meetings Kaji has taken 4 sets to Ren's 1. Their most recent meeting: Haruka Kaji won at W75 Tianjin (2026).

Spread & Straight-Sets Form

Completed best-of-3 matches · Last 12 months

IndicatorKajiRen
Wins in straight sets75%80%
Wins a set when losing22%38%
Goes to a deciding set23%27%
Covers −1.5 sets as favorite59%54%
Covers +1.5 sets as underdog49%68%
Tiebreak sets won67%57%
Wins after taking set 186%88%
Wins 2-0 after taking set 186%81%

Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 2 completed meetings ended in straight sets (Kaji 1, Ren 0).

Style Matchup

Playing styles and historical archetype record

Kaji

⚔️ The Gladiator

Physical intensityBalanced gameStrong in deciding setsCompetitive fighter
vs

Ren

🪃 Counterpuncher

Elite BP conversionStrong return gameDefensive consistencyRally tolerance

Matchup analysis

⚔️ The Gladiator vs 🪃 Counterpuncher is historically tight (49% vs 51%, 7,862 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.

Previous meetings

2 career meetings, newest first

Sep 2, 2026

W75 Tianjin

H Hard · 1st Round

75
61
Kaji

Oct 13, 2025

WTA 125 Jinan Open - Jinan

H Hard · 1st Round

46
62
75
Kaji

Prop Research

Hit rates on common betting markets · Last 90 days

OutcomeKajiRen
1 or more33%77%
3 or more7%18%
5 or more7%6%
10 or more0%0%
15 or more0%0%
20 or more0%0%

Player ROI

Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days

MetricKajiRen
W-L7–911–6
Avg odds2.272.12
ROI %-32.1%+11.7%
Units P/L-5.13u+1.98u

Travel

Last 30 days

MetricKajiRen
Countries22
Events32
Matches54
Distance——
RoutePOR → CHN → PORSUI → ROU

Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.

Common opponents

Results vs. opponents both players faced · Last 12 months

Ren has a higher win rate against shared opponents (70% vs Kaji's 20%).

OpponentKajiRen
Kristiana Sidorova
W
57
76
75
L
Priska Madelyn Nugroho
L
26
06
W
63
57
61
Alexandra Shubladze
L
16
36
L
26
36
Hina Inoue
L
36
36
W
46
61
64
Han Shi
L
64
46
16
W
64
64
Melisa Ercan
L
26
46
W
75
60
Taylah Preston
L
06
26
W
76
76
Ya Yi Yang
L
63
36
67
W
62
63
Xinxin Yao
L
46
36
L
46
46
Rina Saigo
W
60
64
W
61
61

Recent Form

Last five matches per player

Kaji
LWWLLLWL
L

Naho Sato

W35 Wagga Wagga · Quarterfinals

26
36

Oct 9

W

Rira Kosaka

W35 Wagga Wagga · 1st Round

62
61

Oct 7

W

Jasmine Adams

W35 Wagga Wagga · 2nd Round

62
60

Oct 7

L

Emerson Jones

Jingshan Tennis Open - Jingshan · 1st Round

26
46

Sep 28

L

Darya Astakhova

Korea Open - Seoul · 1st Round Qualifying

26
766
26

Sep 19

L

Alexandra Shubladze

W50 Guiyang · 2nd Round

16
36

Sep 10

W

Anastasia Kulikova

W50 Guiyang · 1st Round

62
62

Sep 8

L

Han Shi

W75 Tianjin · 2nd Round

64
46
16

Sep 3

Ren
LLWWLWWW
L

Ye Xin Ma

China Open - Beijing · 1st Round Qualifying

64
16
36

Sep 28

L

Kristiana Sidorova

W35 Shenyang · Quarterfinals

Sep 18

W

Priska Madelyn Nugroho

W35 Shenyang · 2nd Round

63
57
61

Sep 17

W

Jiaqi Wang

W35 Shenyang · 1st Round

Sep 16

L

Alexandra Shubladze

W50 Guiyang · Final

26
36

Sep 13

W

Daria Khomutsianskaya

W50 Guiyang · Semifinals

63
46
768

Sep 12

W

Hina Inoue

W50 Guiyang · Quarterfinals

46
61
64

Sep 11

W

Yuhan Wang

W50 Guiyang · 2nd Round

64
64

Sep 10

Rivalry momentum

Cumulative head-to-head lead over time

↑ KajiKaji ahead↓ Ren

Win rate

Matches, sets and games won · Last 12 months · 64–75 matches

MetricKajiRen
Matches won50%65%
Sets won50%64%
Games won50%56%

Record by tier

Head-to-head record by tournament tier

StageKajiRen
ITF W7510
WTA 12510

By surface

Head-to-head record per surface

SurfaceKajiRen
Hard20

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Haruka Kaji vs Yufei Ren FAQ

Haruka Kaji leads the head-to-head 2–0 over 2 meetings.