Haruka Kaji – WTA #254 – Player Profile, Match Statistics & Bio

Q: What is Haruka Kaji's record by surface?

At Challenger/ITF level: 234-186 (55.7%) on hard, 15-16 (48.4%) on clay, and 7-6 (53.8%) on grass. In the last 52 weeks: 30-25 (54.5%) on hard and 1-1 (50.0%) on clay at Challenger/ITF level.

Q: How many titles has Haruka Kaji won?

Haruka Kaji has won seven titles at Challenger/ITF level (all on hard).

Q: What is Haruka Kaji's recent form?

Haruka Kaji has lost her last 3 matches. Over the past 10 matches, she holds a 5-5 record. Over the past 52 weeks, Haruka Kaji has posted a 33-27 record (55.0% win rate).

Q: How many aces does Haruka Kaji serve per match?

Haruka Kaji serves an average of 1.0 aces per match in the last 52 weeks, consistent with her career average of 0.9.

Q: How does Haruka Kaji perform against top-ranked opponents?

Haruka Kaji has not faced any top-ranked opponents in the last 52 weeks.

Haruka Kaji

Age: 31 (25-09-1994) Hand: Right

Highest ranked: 213

WTA

#254

Peak #213

Current Ranking

LAST 52 WEEKS

33 - 27

55.0% wins

🔍 Player Bio

Haruka Kaji shows mental strength converting 53.0% of breakpoints. Currently ranked 300 in the WTA. Additionally, she capitalizes at 58.3% on second serve returns. When serving, she backs the serve up well with 46.6% on second attempts. On the flip side, she holds only 58.4% of service games and wins just 56.9% points on first serve. Last match was 75 days ago.

Ranked world No. 304 on the WTA Tour, Haruka Kaji represents Japan as a professional tennis player. She competes as a right-handed player. She has reached a career-high of No. 213. She turned professional in 2012.

Haruka Kaji gained ranking points at Futures level in 2025. She captured one title at W50 Kofu. Additional semifinals at W100 Incheon and W35 Sharm ElSheikh. Season record: 26-27. Record on hard in lower tier: 24-22. She won 47% return pressure points, won 52% serve pressure points, and saved 53% of break points.

Haruka Kaji competed at Futures/ITF level in 2024. She reached two finals at W50 Ourense and W35 Roehampton. Additional semifinals at W50 Goyang, W50 Yokohama, W35 Hong Kong, and W50 Austin TX. Record: 45-30. Challenger/ITF hard record: 41-25. She saved 76% of break points, won 60% on second serve return, and won 44% on first serve return.

Kaji developed through Futures tournaments in 2023. She reached the final at W25 Karuizawa. Additional semifinals at W60 Kurume, W60 Canberra, W25 Hamamatsu, and W25 Hong Kong. Season record: 38-25. Challenger/ITF results on hard: 24-18.

Haruka Kaji gained ranking points at Futures level in 2022. She won two titles at W25 Nanao and W25 Hamamatsu. Record: 27-17. Record on hard in lower tier: 12-14.

2021 proved challenging for Haruka Kaji. She reached two quarterfinals at W25 Lisbon and W25 Les Contamines-Montjoie. Season record: 8-12. Challenger/ITF hard record: 6-9.

Kaji developed through Futures tournaments in 2020. She reached the semifinal at W25 Yokohama. Record: 4-4.

The Japanese player gained ranking points at Futures level in 2019. She reached two finals at W25 Kyoto and W25 Tsukuba. Season record: 24-27. Record on hard in lower tier: 22-22.

2018 proved challenging for Haruka Kaji. She reached the semifinal at Singapore $25K. Record: 21-23. Challenger/ITF hard record: 17-20.

Kaji developed through Futures tournaments in 2017. She won three titles at Kofu $25K, Hong Kong 15K, and Nonthaburi $15K. She also reached the final at Taipei $15K. Additional semifinals at Kyoto $15K and Goyang $25K. Season record: 36-17. Challenger/ITF results on hard: 32-14. She converted 50% of break opportunities, won 33% on second serve, and won 58% on first serve.

The Japanese player gained ranking points at Futures level in 2016. She reached the final at Tarakan $10K. Record: 8-7. Record on hard in lower tier: 8-6.

Haruka Kaji competed at Futures/ITF level in 2015. She captured one title at Hong Kong $10K. Season record: 12-8. Challenger/ITF hard record: 10-5.

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To:

Last 52 Weeks · All Levels · All Surfaces

🎯

1.0 per match

0.10 per game

Aces

❌

2.1 per match

0.21 per game

Double Faults

🎾

50% converted

0.81 per game

Breakpoints Created

🛡️

52% saved

0.83 per game

Breakpoints Faced

Performance Spider

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Statistical Ranking

📊

Rankings Available for Top 150

Statistical ranking and percentile comparisons are calculated for players ranked in the top 150 of WTA tour.

Current ranking: #254

Dominance & Efficiency Ratios

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Aces, double faults & breakpoints

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All Matches

0 Wins - 0 Losses

Strong favourite: self odd < 1.20

-W - -L

Clear favourite: self odd 1.20-1.50

-W - -L

Slight favourite: self odd > 1.50

-W - -L

Not a favourite: rival's odd > 1.50

-W - -L

Not a favourite: rival's odd 1.20-1.50

-W - -L

Pre-match underdog: rival's odd < 1.20

-W - -L

Haruka Kaji Match History - All Surfaces

Show: entries

Showing 1 to 25 of 34 matches

Date	Tournament	Rival	Round	Score	Self Odd	Rival's Odd	Rival's Rank	1st Srv Acc %	1st Srv Pts %	2nd Srv Pts %	Aces	DFs	BPs Saved	Srv Games Won	Ret 1st Pts %	Ret 2nd Pts %	BPs Conv	Ret Games Won

Pressure Points Performance

Pressure Points % won on serve

Pressure Points % won on return

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Pressure Points average count in service game

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Pressure Points average count in return game

Service games won % from the score

Return games won % from the score

Pressure Points Performance - All Surfaces

Show: matches

Showing 1 to 10 of 34 matches

Date	Tournament	Rival	Round	Score	Type	Pressure Points	Games won from the score:
Date	Tournament	Rival	Round	Score	Type	Pressure Points	0-30	0-40	15-30	15-40	30-30	30-40	Deuce	40-A

Common Questions About Haruka Kaji

What is Haruka Kaji's record by surface?

At Challenger/ITF level: 234-186 (55.7%) on hard, 15-16 (48.4%) on clay, and 7-6 (53.8%) on grass. In the last 52 weeks: 30-25 (54.5%) on hard and 1-1 (50.0%) on clay at Challenger/ITF level.

How many titles has Haruka Kaji won?

Haruka Kaji has won seven titles at Challenger/ITF level (all on hard).

What is Haruka Kaji's recent form?

Haruka Kaji has lost her last 3 matches. Over the past 10 matches, she holds a 5-5 record. Over the past 52 weeks, Haruka Kaji has posted a 33-27 record (55.0% win rate).

How many aces does Haruka Kaji serve per match?

Haruka Kaji serves an average of 1.0 aces per match in the last 52 weeks, consistent with her career average of 0.9.

How does Haruka Kaji perform against top-ranked opponents?

Haruka Kaji has not faced any top-ranked opponents in the last 52 weeks.

Similar Players

Haruka Kaji – WTA #254 – Player Profile, Match Statistics & Bio

Performance Spider

Statistical Ranking

Dominance & Efficiency Ratios

Dominance Ratio

Breakpoints Prevail

Dominance Efficiency

Match Efficiency

Aces, double faults & breakpoints

Dominance Ratio

Breakpoints Prevail

Dominance Efficiency

Match Efficiency

Haruka Kaji Match History - All Surfaces

Pressure Points Performance

Service games won % from the score

Return games won % from the score

Pressure Points Performance - All Surfaces

Common Questions About Haruka Kaji

Similar Players

Haruka Kaji – WTA #254 – Player Profile, Match Statistics & Bio

Haruka Kaji - Career History

Performance Spider

Statistical Ranking

Dominance & Efficiency Ratios

Dominance Ratio

Breakpoints Prevail

Dominance Efficiency

Match Efficiency

Aces, double faults & breakpoints

Dominance Ratio

Breakpoints Prevail

Dominance Efficiency

Match Efficiency

Haruka Kaji Match History - All Surfaces

Pressure Points Performance

Service games won % from the score

Return games won % from the score

Pressure Points Performance - All Surfaces

Common Questions About Haruka Kaji

Similar Players