Saisai Zheng
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Alison Riske-Amritraj | 3 | 3 | 6 | Sep 13, 2019 | H2H |
| Qiang Wang | 1 | 4 | 5 | May 28, 2019 | H2H |
| Simona Halep | 0 | 3 | 3 | May 3, 2021 | H2H |
| Stefanie Voegele | 1 | 2 | 3 | Apr 9, 2021 | H2H |
| Lin Zhu | 3 | 0 | 3 | Mar 19, 2021 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Saisai Zheng vs Risa Ozaki
Compare the head-to-head record, career totals, season-by-season performance, and match log for Saisai Zheng vs Risa Ozaki.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
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0 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Saisai Zheng | 6-4 6-4 | Risa Ozaki | Match data | May 6, 2017 | Q2 | Madrid Open | Premier Mandatory → modern equivalent WTA 1000 | Clay |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saisai Zheng | #692 | #34 | 1,585 | 1,776 | 87 | 133 | 39.5% | 0 | 0 | 0 | 1 | 0 | 1 |
| Risa Ozaki | #1,109 | #70 | 826 | 1,646 | 19 | 39 | 32.8% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Saisai Zheng | Risa Ozaki | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2011 | 0–2 | 0.0% | #276 | 1,473 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2012 | 2–3 | 40.0% | #138 | 1,483 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2013 | 1–3 | 25.0% | #145 | 1,467 | 0 | 0 | 2013 | 1–3 | 25.0% | #193 | 1,479 | 0 | 0 |
| 20 | 2014 | 6–6 | 50.0% | #100 | 1,552 | 0 | 0 | 2014 | 0–2 | 0.0% | #155 | 1,453 | 0 | 0 |
| 21 | 2015 | 9–22 | 29.0% | #72 | 1,495 | 0 | 0 | 2015 | 2–4 | 33.3% | #160 | 1,461 | 0 | 0 |
| 22 | 2016 | 13–24 | 35.1% | #85 | 1,542 | 0 | 0 | 2016 | 8–8 | 50.0% | #97 | 1,543 | 0 | 0 |
| 23 | 2017 | 5–10 | 33.3% | #93 | 1,618 | 0 | 0 | 2017 | 8–19 | 29.6% | #118 | 1,459 | 0 | 0 |
| 24 | 2018 | 13–12 | 52.0% | #38 | 1,678 | 0 | 0 | 2018 | 0–2 | 0.0% | #289 | 1,431 | 0 | 0 |
| 25 | 2019 | 21–23 | 47.7% | #42 | 1,750 | 0 | 1 | 2019 | 0–1 | 0.0% | #313 | 1,413 | 0 | 0 |
| 26 | 2020 | 6–4 | 60.0% | #41 | 1,768 | 0 | 1 | — | — | — | — | — | — | — |
| 27 | 2021 | 10–17 | 37.0% | #79 | 1,686 | 0 | 1 | — | — | — | — | — | — | — |
| 30 | 2024 | 1–5 | 16.7% | #692 | 1,548 | 0 | 1 | — | — | — | — | — | — | — |
| 31 | 2025 | 0–2 | 0.0% | — | 1,491 | 0 | 1 | — | — | — | — | — | — | — |
Surface Results by Age
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Saisai Zheng | Risa Ozaki | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 17 | 2011 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2012 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2013 | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | 2013 | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — |
| 20 | 2014 | 6 | 5 | 11 | 54.5% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2014 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 21 | 2015 | 8 | 17 | 25 | 32.0% | 1 | 2 | 3 | 33.3% | 0 | 3 | 3 | 0.0% | 2015 | 1 | 2 | 3 | 33.3% | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 22 | 2016 | 10 | 17 | 27 | 37.0% | 0 | 3 | 3 | 0.0% | 3 | 4 | 7 | 42.9% | 2016 | 7 | 7 | 14 | 50.0% | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 23 | 2017 | 4 | 7 | 11 | 36.4% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | 2017 | 8 | 13 | 21 | 38.1% | 0 | 2 | 2 | 0.0% | 0 | 4 | 4 | 0.0% |
| 24 | 2018 | 12 | 7 | 19 | 63.2% | 0 | 3 | 3 | 0.0% | 1 | 2 | 3 | 33.3% | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 25 | 2019 | 18 | 16 | 34 | 52.9% | 3 | 4 | 7 | 42.9% | 0 | 3 | 3 | 0.0% | 2019 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 26 | 2020 | 6 | 4 | 10 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2021 | 7 | 13 | 20 | 35.0% | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2024 | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2025 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 75 | 100 | 175 | 42.9% | 8 | 20 | 28 | 28.6% | 4 | 13 | 17 | 23.5% | — | 17 | 30 | 47 | 36.2% | 1 | 4 | 5 | 20.0% | 1 | 5 | 6 | 16.7% |
Performance Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 195/218 of Saisai Zheng's and 51/60 of Risa Ozaki's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Saisai Zheng | Risa Ozaki | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 17 | 2011 | 2/2 | 0.0 | 0.5 | 57.0% | 46.2% | 38.1% | 48.6% | 17.7% | 43.0% | 38.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 18 | 2012 | 5/5 | 0.8 | 1.2 | 59.6% | 59.8% | 41.1% | 51.6% | 46.4% | 52.1% | 43.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2013 | 4/4 | 1.8 | 3.8 | 63.2% | 56.7% | 39.1% | 50.4% | 42.0% | 50.4% | 45.6% | 2013 | 4/4 | 2.8 | 2.0 | 67.4% | 54.6% | 43.1% | 24.1% | 49.0% | 51.0% | 43.3% |
| 20 | 2014 | 8/12 | 1.6 | 1.4 | 66.9% | 56.0% | 51.5% | 45.6% | 52.8% | 54.4% | 45.8% | 2014 | 2/2 | 0.0 | 1.5 | 66.7% | 37.0% | 36.0% | 23.3% | 43.6% | 36.7% | 45.6% |
| 21 | 2015 | 20/31 | 0.9 | 2.2 | 66.6% | 52.7% | 45.0% | 41.5% | 52.4% | 50.4% | 40.2% | 2015 | 3/6 | 1.3 | 2.0 | 77.3% | 50.1% | 50.1% | 33.3% | 58.3% | 50.4% | 41.5% |
| 22 | 2016 | 34/37 | 0.9 | 2.1 | 63.7% | 56.5% | 46.6% | 51.9% | 45.9% | 52.5% | 44.2% | 2016 | 13/18 | 0.4 | 1.6 | 67.6% | 56.4% | 48.8% | 52.4% | 45.1% | 53.9% | 47.1% |
| 23 | 2017 | 15/15 | 1.2 | 2.2 | 65.3% | 54.2% | 43.1% | 51.6% | 58.7% | 49.8% | 38.9% | 2017 | 26/27 | 0.9 | 2.3 | 69.7% | 54.4% | 44.8% | 49.7% | 48.1% | 51.4% | 41.3% |
| 24 | 2018 | 21/25 | 0.9 | 2.0 | 66.8% | 58.5% | 45.1% | 54.0% | 49.2% | 54.0% | 45.2% | 2018 | 2/2 | 1.0 | 4.0 | 66.0% | 51.4% | 46.8% | 39.3% | 58.3% | 50.0% | 37.5% |
| 25 | 2019 | 44/44 | 1.4 | 2.7 | 64.7% | 59.2% | 44.3% | 49.7% | 45.7% | 53.7% | 43.6% | 2019 | 1/1 | 1.0 | 1.0 | 63.9% | 54.7% | 36.7% | 30.0% | 30.8% | 48.2% | 43.9% |
| 26 | 2020 | 10/10 | 1.3 | 2.0 | 70.3% | 62.9% | 43.1% | 43.5% | 45.9% | 57.5% | 46.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2021 | 26/27 | 0.9 | 1.8 | 67.3% | 58.4% | 47.9% | 53.1% | 43.0% | 54.9% | 42.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | 2024 | 6/6 | 1.0 | 3.3 | 62.2% | 51.9% | 44.6% | 40.1% | 45.4% | 49.1% | 39.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 195/220 | 1.1 | 2.2 | 65.4% | 57.2% | 45.2% | 49.6% | 47.4% | 52.9% | 43.1% | — | 51/60 | 0.9 | 2.1 | 69.1% | 53.9% | 45.6% | 45.6% | 47.9% | 51.3% | 43.0% |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Saisai Zheng | Risa Ozaki | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 17 | 2011 | 1474 | 95.9 | -1.89 | -2.23 | 0.676 | 41.1% | — | — | — | 0.0% | -4.25 | — | — | — | +0.25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2012 | 1483 | 99.4 | -0.72 | -1.45 | 0.900 | 48.2% | +11 | — | — | 33.3% | -1.55 | 0–1 | 1–0 | — | +0.37 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2013 | 1468 | 100.9 | -1.08 | +0.55 | 0.920 | 48.0% | +5 | — | — | 30.0% | -1.00 | 1–1 | 1–2 (33%) | — | +0.17 | 2013 | 1479 | 100.5 | -0.69 | -1.45 | 0.884 | 47.3% | +14 | — | — | 40.0% | -0.30 | 0–2 | 0–2 | — | +0.33 |
| 20 | 2014 | 1553 | 119.6 | -1.26 | +0.86 | 1.006 | 49.7% | +9 | — | — | 53.3% | -0.23 | 2–4 (33%) | 1–1 | — | -0.37 | 2014 | 1454 | 94.5 | -4.28 | -1.88 | 0.720 | 41.7% | — | — | — | 0.0% | -3.25 | — | 0–1 | — | +0.10 |
| 21 | 2015 | 1496 | 110.7 | -5.38 | -1.24 | 0.811 | 45.6% | +9 | +30 | +74 | 30.9% | -1.50 | 5–3 (63%) | 2–1 (67%) | 105.2 | -0.08 | 2015 | 1462 | 105.9 | -1.76 | +0.10 | 0.837 | 45.9% | +8 | +68 | — | 30.8% | -1.00 | 1–0 | 0–1 | — | -0.17 |
| 22 | 2016 | 1542 | 123.0 | -2.10 | +1.09 | 0.930 | 48.2% | +24 | -74 | +9 | 40.0% | -0.83 | 0–8 (0%) | 2–2 (50%) | 91.8 | +0.81 | 2016 | 1543 | 117.7 | -1.97 | +1.29 | 1.022 | 50.5% | -3 | — | — | 48.6% | +0.13 | 3–2 (60%) | — | — | -0.25 |
| 23 | 2017 | 1619 | 110.1 | -3.22 | -1.56 | 0.775 | 44.5% | -8 | -100 | — | 34.2% | -1.42 | 5–3 (63%) | 3–1 (75%) | 104.9 | -0.08 | 2017 | 1460 | 109.2 | -3.70 | -1.80 | 0.851 | 46.5% | +36 | — | +90 | 29.0% | -1.45 | 6–4 (60%) | 2–5 (29%) | 101.1 | -0.58 |
| 24 | 2018 | 1679 | 118.9 | -1.21 | +1.53 | 0.983 | 49.6% | +22 | -169 | -79 | 54.5% | +0.13 | 3–4 (43%) | 0–1 | — | +1.42 | 2018 | 1431 | 96.7 | -0.80 | -0.31 | 0.750 | 44.9% | — | — | — | 0.0% | -2.75 | — | — | — | -0.03 |
| 25 | 2019 | 1750 | 134.4 | -2.18 | +0.80 | 0.942 | 48.7% | -10 | -123 | -200 | 48.0% | -0.28 | 8–6 (57%) | 11–3 (79%) | 107.3 | +0.31 | 2019 | 1414 | 105.7 | +0.69 | -0.20 | 0.847 | 46.1% | — | — | — | 33.3% | -1.67 | 0–1 | — | — | -0.13 |
| 26 | 2020 | 1768 | 132.2 | +0.85 | +2.96 | 1.090 | 51.7% | -8 | — | — | 58.3% | +0.58 | 2–2 (50%) | 1–1 | — | +0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2021 | 1686 | 121.1 | -1.18 | -0.16 | 0.941 | 48.6% | -18 | -68 | — | 38.7% | -0.89 | 4–4 (50%) | 1–1 | — | -0.36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2024 | 1548 | 93.3 | -2.71 | -2.47 | 0.779 | 44.6% | -4 | — | — | 26.7% | -1.73 | 1–2 (33%) | 0–1 | — | +0.51 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2025 | 1492 | 101.5 | — | — | — | — | — | — | — | 0.0% | -2.25 | — | 0–2 | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1777 | 123.8 | -2.10 | +0.33 | 0.915 | 48.0% | +3 | -88 | -35 | 41.7% | -0.74 | 31–38 (45%) | 23–16 (59%) | 104.4 | +1.33 | — | 1646 | 110.8 | -2.73 | -0.79 | 0.883 | 47.3% | +19 | +68 | +90 | 33.8% | -0.98 | 10–9 (53%) | 2–9 (18%) | 98.0 | -1.26 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Risa Ozaki
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Venus Williams | 0 | 2 | 2 | Oct 12, 2017 | H2H |
| Sara Errani | 0 | 2 | 2 | Aug 3, 2017 | H2H |
| Naomi Osaka | 0 | 2 | 2 | Jun 28, 2017 | H2H |
| Eugenie Bouchard | 0 | 2 | 2 | May 30, 2017 | H2H |
| Julia Goerges | 1 | 1 | 2 | Mar 26, 2017 | H2H |