Player data updated: 2026-09-01 02:16 UTC
Sayaka Ishii
Sayaka Ishii represents Japan on the WTA Tour and is ranked No. 466, with a career high of No. 188. In TennisDB's records, Sayaka Ishii has a career record of 2–3 and no singles titles.
Peak ranking
188 (Mar 17, 2025)
Elo peak
1580 (31st percentile)
Career record
2–3 (40.0%)
Career titles
0
Prize money
$236,306
Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.
WTA Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Kaitlin Quevedo | 0-6 3-6 | L | H2H | Match data | Jun 23, 2026 | Q1 | Wimbledon | Grand Slam | Grass |
| Emma Raducanu | 2-6 1-6 | L | H2H | Match data | Mar 19, 2025 | R128 | Miami Open | WTA 1000 | Hard |
| Sachia Vickery | 6-7(2) 4-6 | L | H2H | Match data | Jan 8, 2025 | Qualifying | Australian Open | Grand Slam | Hard |
| Diana Shnaider | (w/o) | L | H2H | Match data | Oct 26, 2024* | QF | Pan Pacific Open | WTA 500 | Hard |
| Zeynep Sonmez | 4-6 6-2 6-3 | W | H2H | Match data | Oct 25, 2024* | R16 | Pan Pacific Open | WTA 500 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Emma Raducanu | 0 | 1 | 1 | Mar 19, 2025 | H2H |
| Diana Shnaider | 0 | 1 | 1 | Oct 26, 2024 | H2H |
| Zeynep Sonmez | 1 | 0 | 1 | Oct 25, 2024 | H2H |
| Sara Saito | 1 | 0 | 1 | Oct 24, 2024 | H2H |
| Katerina Siniakova | 0 | 1 | 1 | Aug 21, 2024 | H2H |
Career Results
Career Results by Surface
| Season | Age | Type | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 2022 | 16 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2023 | 17 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2024 | 18 | Qualifying | 4 | 2 | 6 | 66.7% | — | — | — | — | — | — | — | — | 4 | 2 | 6 | 66.7% |
| 2024 | 18 | WTA | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | 2 | 2 | 4 | 50.0% |
| 2025 | 19 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2025 | 19 | WTA | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2026 | 20 | Qualifying | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | — | — | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | 2 | 3 | 5 | 40.0% |
Career Results by Opponent Rank
Performance Stats
| Season | Age | Sample | Aces/M | DFs/M | 1st Sv% | 1st Sv Pts% | 2nd Sv Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 18 | 3/4 | 0.3 | 6.0 | 60.5% | 64.4% | 47.3% | 58.3% | 42.9% | 57.5% | 49.4% |
| 2025 | 19 | 1/1 | 0.0 | 1.0 | 72.7% | 43.8% | 33.3% | 16.7% | 100.0% | 40.9% | 30.0% |
| Career | 4/5 | 0.3 | 4.8 | 63.6% | 59.2% | 43.8% | 47.9% | 57.1% | 53.3% | 44.6% |
Detailed serve and return statistics available for 4/5 (80.0%) of Sayaka Ishii's WTA main draw matches.
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 16 | 1480 | 95.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | 17 | 1472 | 99.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2024 | 18 | 1572 | 119.4 | +0.69 | +1.59 | 1.162 | 53.4% | +18 | — | — | 62.5% | +1.50 | 1–1 | 1–1 | — | +0.19 |
| 2025 | 19 | 1566 | 99.7 | +0.48 | +0.58 | 0.508 | 35.7% | — | — | — | 0.0% | -4.50 | — | — | — | -0.08 |
| 2026 | 20 | 1496 | 94.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1580 | 107.6 | +0.64 | +1.34 | 0.955 | 48.9% | +18 | — | — | 50.0% | +0.30 | 1–1 | 1–1 | — | +2.75 |
Tournament Results by Category
Grand Slams
| Season | Age | W | W-L Win % |
|---|---|---|---|
| 2026 | 20 | Q1 | 0–1 (0%) |
| W-L | 0–1 (0%) |
0–1 (0%) |
WTA 1000
| Season | Age | MIA | W-L Win % |
|---|---|---|---|
| 2024 | 18 | Q1 | 0–1 (0%) |
| 2025 | 19 | R128 | 0–1 (0%) |
| W-L | 0–2 (0%) |
0–2 (0%) |
WTA 500
| Season | Age | PAN | W-L Win % |
|---|---|---|---|
| 2022 | 16 | Q1 | 0–1 (0%) |
| 2023 | 17 | Q1 | 0–1 (0%) |
| 2024 | 18 | QF | 4–1 (80%) |
| W-L | 4–3 (57%) |
4–3 (57%) |
WTA 250
| Season | Age | TEN | JAP | W-L Win % |
|---|---|---|---|---|
| 2024 | 18 | R32 | Q1 | 2–2 (50%) |
| W-L | 2–1 (67%) | 0–1 (0%) |
2–2 (50%) |
Results show the best round reached per tournament and season.
WTA Ranking History full ranking history →
Career high
188
Career-high date
Mar 17, 2025
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
Similar Players
Other WTA players with comparable peak level, era, career record, and career scale.
| Player | Country | Peak Rank | Peak Elo | Grand Slams | Titles | M | W | L | Win % | Years | Match Log |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wakana Sonobe | JPN | 224 | 1,567 | 0 | 0 | 5 | 2 | 3 | 40.0% | 2025–2025 | Match log |
| Han Shi | CHN | 200 | 1,532 | 0 | 0 | 6 | 2 | 4 | 33.3% | 2024–2025 | Match log |
| Lucie Havlickova | CZE | 196 | 1,579 | 0 | 0 | 9 | 3 | 6 | 33.3% | 2021–2026 | Match log |
| Sara Saito | JPN | 150 | 1,560 | 0 | 0 | 5 | 2 | 3 | 40.0% | 2024–2024 | Match log |
| Ayla Aksu | TUR | 198 | 1,520 | 0 | 0 | 6 | 2 | 4 | 33.3% | 2016–2026 | Match log |
| Sada Nahimana | BDI | 212 | 1,500 | 0 | 0 | 6 | 2 | 4 | 33.3% | 2023–2026 | Match log |
| Maria Mateas | USA | 190 | 1,500 | 0 | 0 | 7 | 2 | 5 | 28.6% | 2016–2025 | Match log |
| Hanna Chang | USA | 179 | 1,508 | 0 | 0 | 2 | 1 | 1 | 50.0% | 2025–2025 | Match log |
| Xinxin Yao | CHN | 205 | 1,500 | 0 | 0 | 3 | 1 | 2 | 33.3% | 2024–2024 | Match log |
| Anna Siskova | CZE | 207 | 1,545 | 0 | 0 | 6 | 3 | 3 | 50.0% | 2023–2026 | Match log |
| Caroline Werner | GER | 221 | 1,532 | 0 | 0 | 3 | 1 | 2 | 33.3% | 2025–2025 | Match log |
| Lina Gjorcheska | MKD | 181 | 1,508 | 0 | 0 | 4 | 1 | 3 | 25.0% | 2017–2026 | Match log |
Frequently Asked Questions
- How old is Sayaka Ishii?
- Sayaka Ishii is 21 years old, born on August 31, 2005.
- Which country does Sayaka Ishii represent?
- Sayaka Ishii represents Japan in TennisDB's WTA records.
- Is Sayaka Ishii left-handed or right-handed?
- Sayaka Ishii plays right-handed.
- How many Grand Slams has Sayaka Ishii won?
- Sayaka Ishii has not won a Grand Slam title.
- How many WTA 1000 titles has Sayaka Ishii won?
- TennisDB does not group any of Sayaka Ishii's titles under the modern WTA 1000 category.
- What is Sayaka Ishii's highest WTA ranking?
- Sayaka Ishii's career-high WTA singles ranking is world No. 188, first achieved on March 17, 2025.
- What is Sayaka Ishii's career win-loss record?
- Sayaka Ishii has a career WTA singles record of 2 wins and 3 losses (40.0%).
- How much career prize money has Sayaka Ishii earned?
- Sayaka Ishii has earned at least $236,306 in career prize money from professional tennis.
- Which seasons of Sayaka Ishii's career appear in TennisDB?
- Sayaka Ishii appears in TennisDB's WTA main-tour match records from 2024 through 2025.
- Who has Sayaka Ishii faced most often?
- Sayaka Ishii's most frequent opponent is Emma Raducanu, with a head-to-head record of 0–1 across 1 meeting.