ATP · Rank #1307

Daisuke Sumizawa

27yrs 1.75 m 67 kg Right

80%Accuracy

Matches Analyzed

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Challenger Guangzhou China Qualifying Hard Challenger Guangzhou China Qualifying (Hard) 1

2 ▾1.28

2 ▾1.28

ITF Men M15 Nonthaburi Hard ITF Men M15 Nonthaburi (Hard) 1

2 ▴1.5

2 ▴1.5

ITF Men M15 Nonthaburi Hard ITF Men M15 Nonthaburi (Hard) 1

2 ▾1.12

2 ▾1.12

ITF Men M15 Tianjin Hard ITF Men M15 Tianjin (Hard) 1

1 ▴1.7

1 ▴1.7

ITF Men M15 Bali Hard ITF Men M15 Bali (Hard) 1

1 ▴1.2

1 ▴1.2

ITF Men M15 Brisbane Hard ITF Men M15 Brisbane (Hard) 1

2 ▾1.05

2 ▾1.05

ITF Men M15 Gimcheon Hard ITF Men M15 Gimcheon (Hard) 1

1 ▴1.68

1 ▴1.68

Challenger Bengaluru 3 India Qualifying Hard Challenger Bengaluru 3 India Qualifying (Hard) 1

1 ▾1.5

1 ▾1.5

ITF Men M15 Kashiwa Hard ITF Men M15 Kashiwa (Hard) 1

2 ▾1.41

O20.5 1.73

Challenger Noumea New Caledonia Qualifying Hard Challenger Noumea New Caledonia Qualifying (Hard) 1

2 ▴4.15

2 ▴4.15

Challenger Sydney Australia Qualifying Hard Challenger Sydney Australia Qualifying (Hard) 1

2 1.59

2 1.59

Record by surface

Hard

0-11

Overall 0-11

Our AI on this player 8 correct of 10

From the matches in our database

About Daisuke Sumizawa

Daisuke Sumizawa is a 27-year-old right-handed professional tennis player, currently ranked world No. 1307. Over the last 52 weeks the serve has landed 52.8% of first deliveries, winning 61.1% of those points. Getting a foothold on the opponent serve is the struggle, at 32.8% of points won there. Service games rarely slip away: 195.6% of them are held. Almost the entire record comes from one surface, hard (0-11).

Lately it has not been coming together — 5 defeats in the last 5 outings. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger Guangzhou China Qualifying.

Serve & Return

First Serve %

54.6%

1st Serve Won

66%

2nd Serve Won

45.5%

Aces / Match

5.1

Double Faults / Match

3.2

Break Pts Saved

62.5%

Break Pts Converted

141.7%

Return Pts Won

33.6%

Service Hold %

435.1%

Total Pts Won

89.2%

Records Last 12 months

Titles

Finals

Semis or better

Events played

Tournament Results

UTR Yokohama M04 UTR Semi-Finals

ITF M15 Nonthaburi Men ITF Round of 16

ITF M15 Tanagura Men ITF Round of 16

ITF M25 Takasaki Men ITF Round of 16

ITF M15 Bali 2 Men ITF Round of 32 ITF M15 Brisbane Men ITF Round of 32 ITF M15 Gimcheon 2 Men ITF Round of 32 ITF M15 Kashiwa Men ITF Round of 32 ITF M15 Tianjin Men ITF Round of 32 Sydney, Australia Challenger Qualifying Bengaluru 3, India Challenger Qualifying Brisbane 3, Australia Challenger Qualifying ITF M15 Maanshan 8 Men ITF Qualifying ITF M15 Tokyo 2 Men ITF Qualifying ITF M15 Tokyo 3 Men ITF Qualifying ITF M15 Tokyo 4 Men ITF Qualifying ITF M15 Tokyo Men ITF Qualifying Noumea, New Caledonia Challenger Qualifying Taipei, Chinese Taipei Men Singles Challenger Qualifying

Deepest runs first, not by date

Season by season

2026

2026so far

0–2

Won-lost

Matches

—

Tiebreaks

Aces / Match

2.5

Double Faults / Match

First Serve % 49%

1st Serve Won 66%

2nd Serve Won 46.9%

Break points won 0%

Break Pts Saved 50%

2025

0–2

Won-lost

Matches

—

Tiebreaks

0.5

Aces / Match

2.5

Double Faults / Match

First Serve % 46.7%

1st Serve Won 50%

2nd Serve Won 56.1%

Break points won 100%

Break Pts Saved 63.6%

Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.

Frequently Asked Questions

How accurate are the AI predictions for Daisuke Sumizawa?

Our model has graded 10 matches involving Daisuke Sumizawa and got 8 right — a hit rate of 80%. Every completed pick stays on the page, so the figure can be checked.