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: 2026-09-14 00:00 UTC
Saisai Zheng vs Isabelle Boulais
Compare the head-to-head record, career totals, season-by-season performance, and match log for Saisai Zheng vs Isabelle Boulais.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Saisai Zheng | 6-3 2-0 (ret.) | Isabelle Boulais | Match data | Jul 23, 2016 | Q1 | Canadian Open | Premier 5 → modern equivalent WTA 1000 | Hard |
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 |
| Isabelle Boulais | — | — | — | 1,500 | 0 | 0 | — | 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 | Isabelle Boulais | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 20 | 2014 | 6–6 | 50.0% | #100 | 1,552 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2015 | 9–22 | 29.0% | #72 | 1,495 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2016 | 13–24 | 35.1% | #85 | 1,542 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2017 | 5–10 | 33.3% | #93 | 1,618 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2018 | 13–12 | 52.0% | #38 | 1,678 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2019 | 21–23 | 47.7% | #42 | 1,750 | 0 | 1 | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — |
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 | Isabelle Boulais | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1487 | 98.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | 1500 | 99.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
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.
Isabelle Boulais
all rivalries →No career rivalry data available.