Daisuke Sumizawa: Ranking, Schedule & Stats
Daisuke Sumizawa is a professional tennis player from Japan, born 31 January 1999. The Japanese plays right-handed. Sumizawa stands 175 cm (5 ft 9 in) tall. The Japanese was born in YOKOHAMA and is based in Kanagawa,Japan.
This page tracks Daisuke Sumizawa's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.
Current form
2026 season2026Sumizawa has lost 9 in a row
Sumizawa has won 7 of the last 18 first sets
Sumizawa has won 1 of 7 deciding sets
Sumizawa has won 1 of the last 10 matches
Ratings & strengths
Umpiry ratings · updated dailySurface performanceSurfaces
2026 seasonLast 12 monthsCareerMost matches over the last 12 months came on hard: 0–7.
Recent results
Last 5Beyond today · rivals & careerBeyond today
Rivals
Most meetings
Most-played rivals. The record is Sumizawa's wins–losses across all matches we have, qualifying excluded.
Season
Current seasonResults
Season breakdown
2026 · by level, surface, sets2026Career
Career overview
More career statistics
Career serve & return
Absolute totals across the 18 matches we have on record. Green is Sumizawa, grey is the same stat by the players they faced.
Aces
| Sumizawa | 715 |
|---|---|
| Opponents | 794 |
Double faults
| Sumizawa | 711 |
|---|---|
| Opponents | 615 |
1st serve in
| Sumizawa | 57% 9,594 / 16,693 |
|---|---|
| Opponents | 63% 10,253 / 16,395 |
1st-serve points won
| Sumizawa | 67% 6,459 / 9,594 |
|---|---|
| Opponents | 67% 6,840 / 10,253 |
Break points converted
| Sumizawa | 44% 677 / 1,540 |
|---|---|
| Opponents | 45% 770 / 1,693 |
Break points saved
| Sumizawa | 55% 923 / 1,693 |
|---|---|
| Opponents | 56% 863 / 1,540 |
1st-serve points won by season
| Season | Sumizawa | Opponents |
|---|---|---|
| 2026 | 70% | 76% |
| 2025 | 69% | 67% |
| 2024 | 68% | 67% |
| 2023 | 66% | 65% |
| 2022 | 70% | 65% |
| 2021 | 66% | 67% |
| 2019 | 67% | 67% |
| 2016 | 63% | 71% |
| Career | 68% | 67% |
Counted from the match statistics we hold, season by season — the cards above are career totals from our data provider, so the two can differ by a few tenths. Seasons with fewer than three matches on record are left out.
Career win–loss by level
| Level | W–L | Win % | Titles |
|---|---|---|---|
| Challenger | 0–2 | 0% | 0 |
| ITF / Futures | 76–101 | 43% | 1 |
Challenger and ITF matches are shown in grey and are not part of the tour-level total.
Season breakdown
Wins and losses in one season, split by round reached, surface, tournament level and opponent ranking band.
2026 season · 7–15 · W–L 32% · 22 matches
Round played
| Qualifying | 1–6 (14%) |
|---|---|
| R32 | 2–3 (40%) |
| R16 | 0–2 (0%) |
Surface
| Hard | 6–14 (30%) |
|---|---|
| Hard (indoor) | 1–1 (50%) |
Tournament level
| Challenger | 0–3 (0%) |
|---|---|
| ITF / Futures | 7–12 (37%) |
Rounds are the round each match was played in, not a ladder: a player enters a 32-draw straight in R32, and team events (United Cup, Davis Cup) are not played through a draw at all — those have their own row. Ranking bands use the opponent's ranking on match day and are cumulative: top 100 includes top 10.
Surface record by season
Each cell is one season on one surface: the number is wins–losses, the colour is the win rate. Carpet is counted as indoor hard.
| Season | Hard | Clay | Grass | I.hard | Total |
|---|---|---|---|---|---|
| 2026 | 6–12 | · | · | 1–1 | 7–13 |
| 2025 | 20–15 | · | · | 9–6 | 29–21 |
| 2024 | 23–19 | 1–4 | · | · | 24–23 |
| 2023 | 20–21 | 3–4 | · | · | 23–25 |
| 2022 | 14–11 | 7–7 | · | · | 21–18 |
| 2021 | 17–7 | 16–13 | · | · | 33–20 |
| 2020 | 1–3 | · | 0–2 | · | 1–5 |
| 2019 | 18–14 | 4–8 | · | 1–2 | 23–24 |
| 2018 | 20–18 | 6–8 | · | 2–1 | 28–27 |
| 2017 | 16–14 | 6–6 | · | 2–1 | 24–21 |
| 2016 | 10–10 | 0–1 | · | · | 10–11 |
| Career | 165–144 53% | 43–51 46% | 0–2 0% | 15–11 58% | 223–208 52% |
Record at one tournament
Every edition entered: year, best round reached, wins and losses. Most recent first.
M25 Sapporo 1 · Editions 4 · Record 12–4 · Titles 0
| Year | Best round | W | L |
|---|---|---|---|
| 2025 | R16 | 1 | 1 |
| 2024 | SF | 5 | 1 |
| 2023 | F | 4 | 1 |
| 2022 | QF | 2 | 1 |
More on Umpiry · discovery
Frequently asked · Daisuke SumizawaFrequently asked
How tall is Daisuke Sumizawa?
Daisuke Sumizawa is 175 cm (5 ft 9 in) tall.
When was Daisuke Sumizawa born?
Daisuke Sumizawa was born on 31 January 1999 (27 years old).
Where is Daisuke Sumizawa from?
Daisuke Sumizawa is from Japan, born in YOKOHAMA on 31 January 1999.
Is Daisuke Sumizawa right or left-handed?
Daisuke Sumizawa plays right-handed.
Who is Daisuke Sumizawa's coach?
Daisuke Sumizawa is coached by Shinichi Takemasa.