Kazuki Nishiwaki: Ranking, Schedule & Stats
Kazuki Nishiwaki is a professional tennis player from Japan, born 29 October 1994. The Japanese plays right-handed. Nishiwaki stands 178 cm (5 ft 10 in) tall. The Japanese was born in Kyoto-Uji, Japan.
This page tracks Kazuki Nishiwaki'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 season2026Nishiwaki has won 4 of the last 15 first sets
Ratings & strengths
Umpiry ratings · updated dailySurface performanceSurfaces
CareerRecent results
Last 5Beyond today · rivals & careerBeyond today
Rivals
Most meetings
Most-played rivals. The record is Nishiwaki's wins–losses across all matches we have, qualifying excluded.
Season
Completed seasonResults
Season breakdown
2024 · by level, surface, sets2024Career
Career overview
More career statistics
Career serve & return
Absolute totals across the 15 matches we have on record. Green is Nishiwaki, grey is the same stat by the players they faced.
Aces
| Nishiwaki | 862 |
|---|---|
| Opponents | 664 |
Double faults
| Nishiwaki | 610 |
|---|---|
| Opponents | 579 |
1st serve in
| Nishiwaki | 60% 9,609 / 15,957 |
|---|---|
| Opponents | 64% 10,011 / 15,712 |
1st-serve points won
| Nishiwaki | 68% 6,504 / 9,609 |
|---|---|
| Opponents | 67% 6,677 / 10,011 |
Break points converted
| Nishiwaki | 42% 645 / 1,548 |
|---|---|
| Opponents | 41% 662 / 1,599 |
Break points saved
| Nishiwaki | 59% 937 / 1,599 |
|---|---|
| Opponents | 58% 903 / 1,548 |
1st-serve points won by season
| Season | Nishiwaki | Opponents |
|---|---|---|
| 2025 | 71% | 64% |
| 2024 | 66% | 71% |
| 2023 | 71% | 66% |
| 2022 | 70% | 62% |
| 2021 | 64% | 72% |
| 2019 | 65% | 68% |
| 2016 | 64% | 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 | 1–3 | 25% | 0 |
| ITF / Futures | 73–90 | 45% | 0 |
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 · 23–12 · W–L 66% · 35 matches
Round played
| R32 | 0–1 (0%) |
|---|
Surface
| Hard | 18–10 (64%) |
|---|---|
| Hard (indoor) | 4–1 (80%) |
| Clay | 1–1 (50%) |
Tournament level
| ITF / Futures | 23–12 (66%) |
|---|
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 | 18–10 | 1–1 | · | 4–1 | 23–12 |
| 2025 | 21–18 | · | · | 1–1 | 22–19 |
| 2024 | 7–17 | 3–6 | · | 1–1 | 11–24 |
| 2023 | 22–20 | 6–2 | · | 2–1 | 30–23 |
| 2022 | 16–9 | 5–6 | · | · | 21–15 |
| 2021 | 10–11 | · | · | · | 10–11 |
| 2020 | 0–2 | · | · | · | 0–2 |
| 2019 | 13–15 | 4–2 | · | 0–2 | 17–19 |
| 2018 | 31–15 | 3–3 | · | 0–1 | 34–19 |
| 2017 | 16–11 | 1–2 | · | 2–2 | 19–15 |
| 2016 | · | · | · | 4–2 | 4–2 |
| 2015 | 0–3 | · | · | · | 0–3 |
| 2014 | 2–1 | 3–1 | · | 1–1 | 6–3 |
| Career | 156–132 54% | 26–23 53% | · | 15–12 56% | 197–167 54% |
Record at one tournament
Every edition entered: year, best round reached, wins and losses. Most recent first.
Kobe CH · Editions 3 · Record 0–4 · Titles 0
Tournament page →| Year | Best round | W | L |
|---|---|---|---|
| 2019 | R64 | 0 | 2 |
| 2018 | Qualifying | 0 | 1 |
| 2016 | Qualifying | 0 | 1 |
More on Umpiry · discovery
Frequently asked · Kazuki NishiwakiFrequently asked
How tall is Kazuki Nishiwaki?
Kazuki Nishiwaki is 178 cm (5 ft 10 in) tall.
When was Kazuki Nishiwaki born?
Kazuki Nishiwaki was born on 29 October 1994 (31 years old).
Where is Kazuki Nishiwaki from?
Kazuki Nishiwaki is from Japan, born in Kyoto-Uji, Japan on 29 October 1994.
Is Kazuki Nishiwaki right or left-handed?
Kazuki Nishiwaki plays right-handed.