H2H data updated: 2026-09-13 00:00 UTC

Heather Watson vs Saisai Zheng H2H: 0-1

Saisai Zheng holds a 1–0 lead over Heather Watson in their WTA head-to-head. Across 1 main-draw meeting, Saisai Zheng leads 1–0 on hard courts. Most recently, Saisai Zheng won the 2019 San Jose first round 6-3 6-1.

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Heather Watson
Great Britain Age 34 Right-Handed 170 cm / 5'7"
H2H
0 – 1
1 main-draw meetings
Saisai Zheng
China Age 32 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Saisai Zheng #55 6-3 6-1 Heather Watson #107 Match data Aug 1, 2019* R32 San Jose Premier → modern equivalent WTA 500 Hard

Estimated match date where the exact historical date is unavailable. 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
Heather Watson #446 #38 1,386 1,755 146 199 42.3% 0 0 0 0 4 4
Saisai Zheng #692 #34 1,585 1,776 87 133 39.5% 0 0 0 1 0 1

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 Heather Watson Saisai Zheng
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 2011 0–2 0.0% #276 1,473 0 0
18 2010 1–5 16.7% #176 1,472 0 0 2012 2–3 40.0% #138 1,483 0 0
19 2011 10–11 47.6% #92 1,536 0 0 2013 1–3 25.0% #145 1,467 0 0
20 2012 18–17 51.4% #49 1,693 0 1 2014 6–6 50.0% #100 1,552 0 0
21 2013 9–16 36.0% #121 1,549 0 1 2015 9–22 29.0% #72 1,495 0 0
22 2014 9–17 34.6% #49 1,540 0 1 2016 13–24 35.1% #85 1,542 0 0
23 2015 18–19 48.6% #55 1,610 0 2 2017 5–10 33.3% #93 1,618 0 0
24 2016 16–19 45.7% #76 1,586 0 3 2018 13–12 52.0% #38 1,678 0 0
25 2017 13–15 46.4% #73 1,613 0 3 2019 21–23 47.7% #42 1,750 0 1
26 2018 10–17 37.0% #91 1,574 0 3 2020 6–4 60.0% #41 1,768 0 1
27 2019 5–9 35.7% #103 1,624 0 3 2021 10–17 37.0% #79 1,686 0 1
28 2020 9–8 52.9% #58 1,663 0 4 — — — — — — —
29 2021 7–17 29.2% #72 1,577 0 4 — — — — — — —
30 2022 9–12 42.9% #139 1,568 0 4 2024 1–5 16.7% #692 1,548 0 1
31 2023 8–7 53.3% #137 1,595 0 4 2025 0–2 0.0% — 1,491 0 1
32 2024 3–6 33.3% #162 1,569 0 4 — — — — — — —
33 2025 1–3 25.0% #269 1,544 0 4 — — — — — — —
34 2026 0–1 0.0% #446 1,595 0 4 — — — — — — —

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 Heather Watson Saisai Zheng
Yr HardClayGrass Yr HardClayGrass
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 2010 0 1 1 0.0% 0 1 1 0.0% 1 3 4 25.0% 2012 2 3 5 40.0% — — — — — — — —
19 2011 7 6 13 53.8% 1 2 3 33.3% 2 3 5 40.0% 2013 1 3 4 25.0% — — — — — — — —
20 2012 10 11 21 47.6% 2 2 4 50.0% 6 4 10 60.0% 2014 6 5 11 54.5% 0 1 1 0.0% — — — —
21 2013 7 12 19 36.8% 0 1 1 0.0% 2 3 5 40.0% 2015 8 17 25 32.0% 1 2 3 33.3% 0 3 3 0.0%
22 2014 4 13 17 23.5% 1 1 2 50.0% 4 3 7 57.1% 2016 10 17 27 37.0% 0 3 3 0.0% 3 4 7 42.9%
23 2015 12 11 23 52.2% 2 5 7 28.6% 4 3 7 57.1% 2017 4 7 11 36.4% 1 2 3 33.3% 0 1 1 0.0%
24 2016 13 11 24 54.2% 2 4 6 33.3% 1 4 5 20.0% 2018 12 7 19 63.2% 0 3 3 0.0% 1 2 3 33.3%
25 2017 7 11 18 38.9% — — — — 6 4 10 60.0% 2019 18 16 34 52.9% 3 4 7 42.9% 0 3 3 0.0%
26 2018 7 9 16 43.8% 2 4 6 33.3% 1 4 5 20.0% 2020 6 4 10 60.0% — — — — — — — —
27 2019 4 5 9 44.4% — — — — 1 4 5 20.0% 2021 7 13 20 35.0% 3 4 7 42.9% — — — —
28 2020 9 6 15 60.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
29 2021 3 12 15 20.0% 0 1 1 0.0% 4 4 8 50.0% — — — — — — — — — — — — —
30 2022 4 6 10 40.0% 1 3 4 25.0% 4 3 7 57.1% 2024 1 4 5 20.0% 0 1 1 0.0% — — — —
31 2023 5 4 9 55.6% — — — — 3 3 6 50.0% 2025 0 2 2 0.0% — — — — — — — —
32 2024 2 3 5 40.0% — — — — 1 3 4 25.0% — — — — — — — — — — — — —
33 2025 — — — — 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — — — — — —
34 2026 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 94 122 216 43.5% 11 27 38 28.9% 41 50 91 45.1% — 75 100 175 42.9% 8 20 28 28.6% 4 13 17 23.5%

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 324/345 of Heather Watson's and 195/218 of Saisai Zheng'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 Heather Watson Saisai Zheng
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 2010 6/6 2.7 3.2 62.5% 58.2% 41.9% 44.7% 30.6% 52.2% 40.1% 2012 5/5 0.8 1.2 59.6% 59.8% 41.1% 51.6% 46.4% 52.1% 43.1%
19 2011 21/21 3.2 2.8 65.7% 63.2% 45.6% 56.1% 47.7% 57.3% 44.0% 2013 4/4 1.8 3.8 63.2% 56.7% 39.1% 50.4% 42.0% 50.4% 45.6%
20 2012 30/35 2.8 2.9 65.0% 63.4% 43.8% 48.6% 46.6% 56.4% 42.9% 2014 8/12 1.6 1.4 66.9% 56.0% 51.5% 45.6% 52.8% 54.4% 45.8%
21 2013 25/25 3.6 3.1 62.5% 63.2% 47.0% 52.4% 47.4% 57.0% 40.8% 2015 20/31 0.9 2.2 66.6% 52.7% 45.0% 41.5% 52.4% 50.4% 40.2%
22 2014 24/26 2.9 3.4 59.3% 60.0% 42.1% 43.9% 51.4% 52.0% 40.8% 2016 34/37 0.9 2.1 63.7% 56.5% 46.6% 51.9% 45.9% 52.5% 44.2%
23 2015 31/37 3.5 3.5 58.9% 64.6% 48.5% 54.7% 52.9% 58.0% 42.4% 2017 15/15 1.2 2.2 65.3% 54.2% 43.1% 51.6% 58.7% 49.8% 38.9%
24 2016 33/35 4.2 3.8 58.5% 65.2% 46.2% 57.8% 51.6% 57.3% 45.0% 2018 21/25 0.9 2.0 66.8% 58.5% 45.1% 54.0% 49.2% 54.0% 45.2%
25 2017 27/28 3.5 4.9 58.6% 66.8% 45.4% 61.4% 49.9% 57.8% 43.0% 2019 44/44 1.4 2.7 64.7% 59.2% 44.3% 49.7% 45.7% 53.7% 43.6%
26 2018 26/27 4.1 3.4 59.5% 64.9% 43.9% 49.2% 45.6% 56.4% 42.8% 2020 10/10 1.3 2.0 70.3% 62.9% 43.1% 43.5% 45.9% 57.5% 46.4%
27 2019 14/14 3.4 3.4 57.0% 63.2% 43.4% 56.7% 37.8% 54.7% 40.9% 2021 26/27 0.9 1.8 67.3% 58.4% 47.9% 53.1% 43.0% 54.9% 42.5%
28 2020 17/17 4.1 3.2 57.0% 64.4% 43.9% 52.1% 53.4% 55.8% 42.0% — —/— — — — — — — — — —
29 2021 23/24 5.4 4.1 56.3% 67.6% 41.7% 58.4% 46.4% 56.4% 37.2% — —/— — — — — — — — — —
30 2022 20/21 2.9 2.1 62.3% 63.2% 44.4% 52.4% 51.3% 56.1% 40.4% 2024 6/6 1.0 3.3 62.2% 51.9% 44.6% 40.1% 45.4% 49.1% 39.6%
31 2023 15/15 3.2 3.5 59.7% 65.9% 42.0% 44.9% 38.1% 56.2% 42.5% — —/— — — — — — — — — —
32 2024 9/9 2.2 3.4 55.4% 67.6% 44.0% 50.8% 52.4% 56.8% 39.0% — —/— — — — — — — — — —
33 2025 2/4 2.5 2.5 51.4% 65.4% 41.1% 35.0% 39.6% 53.7% 43.4% — —/— — — — — — — — — —
34 2026 1/1 0.0 4.0 48.5% 68.8% 23.5% 57.1% 33.3% 45.5% 37.9% — —/— — — — — — — — — —
Career — 324/345 3.5 3.4 60.0% 64.3% 44.6% 52.9% 48.0% 56.3% 41.9% — 195/220 1.1 2.2 65.4% 57.2% 45.2% 49.6% 47.4% 52.9% 43.1%

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 Heather Watson Saisai Zheng
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 2010 1473 98.6 -0.96 -1.56 0.838 46.2% — — +99 23.1% -1.38 0–1 0–1 — +0.18 2012 1483 99.4 -0.72 -1.45 0.900 48.2% +11 — — 33.3% -1.55 0–1 1–0 — +0.37
19 2011 1537 115.9 +1.02 -0.72 1.031 51.0% +26 -23 +9 51.1% +0.30 1–4 (20%) 2–3 (40%) 96.5 +1.09 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 2012 1693 127.7 +0.47 +0.10 0.984 49.6% -34 -139 -55 51.3% -0.23 5–5 (50%) 8–6 (57%) 103.8 -0.84 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 2013 1550 109.0 +0.35 -2.61 0.948 49.1% -5 — +30 38.3% -0.70 5–9 (36%) 3–2 (60%) 94.6 +0.15 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 2014 1540 121.1 -2.65 -1.65 0.851 46.8% -40 — +96 36.1% -0.87 5–6 (45%) 1–3 (25%) — -0.39 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 2015 1610 129.5 -0.01 +1.12 1.008 50.4% -15 -87 +77 50.6% +0.13 6–9 (40%) 2–7 (22%) 96.0 -0.01 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 2016 1586 126.9 +0.96 +0.88 1.053 51.0% +27 -56 +28 48.2% +0.12 8–9 (47%) 4–4 (50%) 99.3 -0.97 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 2017 1614 124.1 +1.17 -0.04 1.019 50.6% -57 — +98 49.2% +0.29 5–6 (45%) 2–7 (22%) 95.1 -1.23 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 2018 1574 120.5 -0.38 -0.79 0.981 49.7% +4 -55 +92 41.9% -0.42 2–6 (25%) 2–5 (29%) 93.2 +0.66 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 2019 1625 117.3 -0.69 -1.28 0.902 47.8% 0 — -17 38.7% -0.68 1–2 (33%) 3–2 (60%) 100.8 -0.18 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
28 2020 1664 126.5 -0.35 +0.15 0.950 49.1% +30 — — 51.2% -0.10 6–3 (67%) 3–5 (38%) 101.7 -0.02 — — — — — — — — — — — — — — — —
29 2021 1578 117.2 -0.31 -3.41 0.854 47.3% +6 — +45 33.3% -0.80 4–6 (40%) 6–6 (50%) 99.6 +0.11 — — — — — — — — — — — — — — — —
30 2022 1568 107.0 -0.88 -1.99 0.920 48.4% +3 -155 +83 39.6% -0.54 5–1 (83%) 3–7 (30%) 101.5 +1.46 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 2023 1596 115.3 -0.40 -1.06 0.971 49.4% -14 — +129 50.0% -0.09 3–1 (75%) 4–0 (100%) 105.8 +0.33 2025 1492 101.5 — — — — — — — 0.0% -2.25 — 0–2 — -0.05
32 2024 1569 118.9 -0.40 -1.74 0.904 47.8% +24 — +120 35.0% -0.65 1–1 0–1 — +0.23 — — — — — — — — — — — — — — — —
33 2025 1544 104.7 -1.18 +1.77 0.937 48.3% — — +113 33.3% -0.55 0–1 0–1 — -0.02 — — — — — — — — — — — — — — — —
34 2026 1595 109.3 -0.18 -2.54 0.695 41.9% — — — 0.0% -4.00 — — — +0.05 — — — — — — — — — — — — — — — —
Career — 1755 124.6 -0.08 -0.77 0.959 49.3% -6 -84 +58 44.2% -0.28 57–70 (45%) 43–60 (42%) 92.9 +0.17 — 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

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.