H2H data updated: 2026-09-14 00:00 UTC

Saisai Zheng vs Polona Hercog H2H: 1-0

Saisai Zheng holds a 1–0 lead over Polona Hercog 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 2015 Shenzhen round of 16 6-3 2-6 6-2.

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Saisai Zheng
China Age 32 Right-Handed 170 cm / 5'7"
H2H
1 – 0
1 main-draw meetings
Polona Hercog
Slovenia Age 35 Right-Handed 185 cm / 6'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Saisai Zheng #97 6-3 2-6 6-2 Polona Hercog #94 Match data Jan 9, 2015* R16 Shenzhen International → modern equivalent WTA 250 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
Saisai Zheng #692 #34 1,585 1,776 87 133 39.5% 0 0 0 1 0 1
Polona Hercog #236 #35 1,605 1,767 170 214 44.3% 0 0 0 0 3 3

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 Polona Hercog
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2007 0–1 0.0% #375 1,488 0 0
17 2011 0–2 0.0% #276 1,473 0 0 2008 0–2 0.0% #245 1,470 0 0
18 2012 2–3 40.0% #138 1,483 0 0 2009 6–8 42.9% #68 1,501 0 0
19 2013 1–3 25.0% #145 1,467 0 0 2010 26–24 52.0% #47 1,633 0 0
20 2014 6–6 50.0% #100 1,552 0 0 2011 27–25 51.9% #36 1,698 0 1
21 2015 9–22 29.0% #72 1,495 0 0 2012 14–21 40.0% #76 1,665 0 2
22 2016 13–24 35.1% #85 1,542 0 0 2013 10–10 50.0% #65 1,673 0 2
23 2017 5–10 33.3% #93 1,618 0 0 2014 12–16 42.9% #97 1,638 0 2
24 2018 13–12 52.0% #38 1,678 0 0 2015 19–23 45.2% #73 1,606 0 2
25 2019 21–23 47.7% #42 1,750 0 1 2016 10–18 35.7% #143 1,558 0 2
26 2020 6–4 60.0% #41 1,768 0 1 2017 2–2 50.0% #101 1,571 0 2
27 2021 10–17 37.0% #79 1,686 0 1 2018 15–19 44.1% #85 1,623 0 2
28 — — — — — — — 2019 19–21 47.5% #49 1,715 0 3
29 — — — — — — — 2020 6–8 42.9% #49 1,684 0 3
30 2024 1–5 16.7% #692 1,548 0 1 2021 4–15 21.1% #134 1,589 0 3
31 2025 0–2 0.0% — 1,491 0 1 — — — — — — —
35 — — — — — — — 2026 0–1 0.0% #236 1,586 0 3

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 Polona Hercog
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 — — — — — — — — — — — — — — — — — 2007 0 1 1 0.0% — — — — — — — — — — — —
17 2011 0 2 2 0.0% — — — — — — — — — — — — 2008 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
18 2012 2 3 5 40.0% — — — — — — — — — — — — 2009 1 4 5 20.0% 5 4 9 55.6% — — — — — — — —
19 2013 1 3 4 25.0% — — — — — — — — — — — — 2010 13 13 26 50.0% 13 10 23 56.5% 0 1 1 0.0% — — — —
20 2014 6 5 11 54.5% 0 1 1 0.0% — — — — — — — — 2011 10 14 24 41.7% 16 9 25 64.0% 1 2 3 33.3% — — — —
21 2015 8 17 25 32.0% 1 2 3 33.3% 0 3 3 0.0% — — — — 2012 4 12 16 25.0% 10 6 16 62.5% 0 2 2 0.0% 0 1 1 0.0%
22 2016 10 17 27 37.0% 0 3 3 0.0% 3 4 7 42.9% — — — — 2013 7 8 15 46.7% 3 2 5 60.0% — — — — — — — —
23 2017 4 7 11 36.4% 1 2 3 33.3% 0 1 1 0.0% — — — — 2014 3 8 11 27.3% 8 6 14 57.1% 1 2 3 33.3% — — — —
24 2018 12 7 19 63.2% 0 3 3 0.0% 1 2 3 33.3% — — — — 2015 10 15 25 40.0% 8 6 14 57.1% 1 2 3 33.3% — — — —
25 2019 18 16 34 52.9% 3 4 7 42.9% 0 3 3 0.0% — — — — 2016 1 8 9 11.1% 9 7 16 56.3% 0 3 3 0.0% — — — —
26 2020 6 4 10 60.0% — — — — — — — — — — — — 2017 — — — — 0 1 1 0.0% 2 1 3 66.7% — — — —
27 2021 7 13 20 35.0% 3 4 7 42.9% — — — — — — — — 2018 4 9 13 30.8% 10 7 17 58.8% 1 3 4 25.0% — — — —
28 — — — — — — — — — — — — — — — — — 2019 6 14 20 30.0% 8 4 12 66.7% 5 3 8 62.5% — — — —
29 — — — — — — — — — — — — — — — — — 2020 1 2 3 33.3% 5 6 11 45.5% — — — — — — — —
30 2024 1 4 5 20.0% 0 1 1 0.0% — — — — — — — — 2021 2 8 10 20.0% 2 5 7 28.6% 0 2 2 0.0% — — — —
31 2025 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — — 2026 — — — — 0 1 1 0.0% — — — — — — — —
Career — 75 100 175 42.9% 8 20 28 28.6% 4 13 17 23.5% — — — — — 62 117 179 34.6% 97 75 172 56.4% 11 21 32 34.4% 0 1 1 0.0%

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 352/384 of Polona Hercog'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 Polona Hercog
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%
16 — —/— — — — — — — — — — 2007 1/1 6.0 5.0 69.5% 58.5% 36.1% 41.7% 80.0% 51.7% 39.4%
17 2011 2/2 0.0 0.5 57.0% 46.2% 38.1% 48.6% 17.7% 43.0% 38.5% 2008 1/2 0.0 5.0 84.0% 47.1% 23.1% 41.7% 62.5% 43.2% 45.7%
18 2012 5/5 0.8 1.2 59.6% 59.8% 41.1% 51.6% 46.4% 52.1% 43.1% 2009 13/14 2.1 2.8 61.8% 62.6% 45.1% 51.3% 42.4% 55.6% 39.8%
19 2013 4/4 1.8 3.8 63.2% 56.7% 39.1% 50.4% 42.0% 50.4% 45.6% 2010 46/50 2.2 2.7 62.0% 64.2% 48.6% 54.1% 48.1% 58.3% 42.8%
20 2014 8/12 1.6 1.4 66.9% 56.0% 51.5% 45.6% 52.8% 54.4% 45.8% 2011 46/52 2.6 2.7 65.1% 62.0% 48.8% 53.0% 47.3% 57.5% 41.9%
21 2015 20/31 0.9 2.2 66.6% 52.7% 45.0% 41.5% 52.4% 50.4% 40.2% 2012 33/35 2.2 2.4 60.0% 62.3% 44.3% 46.0% 48.7% 54.8% 40.5%
22 2016 34/37 0.9 2.1 63.7% 56.5% 46.6% 51.9% 45.9% 52.5% 44.2% 2013 14/20 2.7 2.5 66.6% 64.4% 51.1% 53.5% 45.6% 60.1% 42.5%
23 2017 15/15 1.2 2.2 65.3% 54.2% 43.1% 51.6% 58.7% 49.8% 38.9% 2014 24/28 3.0 2.8 57.1% 63.5% 46.2% 54.4% 38.9% 55.9% 39.8%
24 2018 21/25 0.9 2.0 66.8% 58.5% 45.1% 54.0% 49.2% 54.0% 45.2% 2015 37/42 2.8 3.1 63.8% 65.6% 52.4% 50.3% 53.0% 60.8% 40.6%
25 2019 44/44 1.4 2.7 64.7% 59.2% 44.3% 49.7% 45.7% 53.7% 43.6% 2016 26/28 2.0 3.4 58.7% 59.2% 43.1% 50.2% 52.7% 52.7% 43.8%
26 2020 10/10 1.3 2.0 70.3% 62.9% 43.1% 43.5% 45.9% 57.5% 46.4% 2017 4/4 3.8 3.8 60.4% 66.7% 48.5% 45.5% 48.2% 59.6% 45.1%
27 2021 26/27 0.9 1.8 67.3% 58.4% 47.9% 53.1% 43.0% 54.9% 42.5% 2018 34/34 3.2 3.9 55.6% 63.3% 48.9% 62.2% 37.8% 56.8% 41.5%
28 — —/— — — — — — — — — — 2019 39/40 3.5 4.3 55.9% 67.1% 48.4% 54.9% 46.8% 58.6% 40.7%
29 — —/— — — — — — — — — — 2020 14/14 2.1 3.4 56.8% 63.2% 46.7% 52.4% 53.1% 55.6% 44.0%
30 2024 6/6 1.0 3.3 62.2% 51.9% 44.6% 40.1% 45.4% 49.1% 39.6% 2021 19/19 3.4 3.6 55.4% 63.7% 43.6% 44.1% 34.2% 55.0% 39.2%
35 — —/— — — — — — — — — — 2026 1/1 0.0 1.0 37.5% 100.0% 40.0% — — 62.5% 14.3%
Career — 195/220 1.1 2.2 65.4% 57.2% 45.2% 49.6% 47.4% 52.9% 43.1% — 352/384 2.7 3.2 60.1% 63.7% 47.5% 52.3% 46.3% 57.1% 41.4%

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 Polona Hercog
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 — — — — — — — — — — — — — — — — 2007 1489 100.3 -2.72 -1.27 0.816 46.1% — — — 33.3% -1.33 0–1 1–0 — -0.06
17 2011 1474 95.9 -1.89 -2.23 0.676 41.1% — — — 0.0% -4.25 — — — +0.25 2008 1470 102.5 -2.06 -1.94 0.805 44.4% — — — 20.0% -1.20 0–1 — — -0.18
18 2012 1483 99.4 -0.72 -1.45 0.900 48.2% +11 — — 33.3% -1.55 0–1 1–0 — +0.37 2009 1501 106.8 +0.29 -3.10 0.898 48.1% -40 +89 — 40.6% -0.53 3–1 (75%) 1–2 (33%) 102.8 +0.08
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 2010 1634 130.1 +2.35 -0.89 1.024 50.4% -68 +49 — 50.0% +0.14 4–8 (33%) 1–2 (33%) 96.6 -0.18
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 2011 1699 128.3 +1.64 -2.16 0.985 49.5% -94 +106 -139 51.3% +0.03 9–6 (60%) 5–8 (38%) 100.2 -0.20
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 2012 1666 121.2 -0.89 -2.18 0.897 47.5% -100 +153 — 40.3% -0.94 4–3 (57%) 3–4 (43%) 101.7 -1.34
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 2013 1674 131.4 +2.50 +0.02 1.065 51.3% -74 +126 — 52.2% +0.52 2–6 (25%) 1–6 (14%) 91.8 -0.86
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 2014 1639 121.6 -0.49 -2.45 0.903 48.0% -47 +97 -116 43.5% -0.42 5–3 (63%) 3–5 (38%) 100.2 -1.81
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 2015 1606 121.6 +1.66 -0.91 1.034 50.7% -33 +93 -84 49.5% -0.03 5–14 (26%) 4–5 (44%) 91.7 +0.24
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 2016 1559 116.5 -2.35 +0.40 0.926 48.3% -25 +109 -113 42.4% -0.37 2–5 (29%) 4–1 (80%) 98.5 -1.05
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 2017 1571 105.5 +0.03 -1.29 1.118 51.8% — — -87 50.0% +0.60 1–1 0–2 — +0.25
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 2018 1624 119.4 -0.20 -1.09 0.959 49.0% -61 +57 -123 45.8% -0.32 3–5 (38%) 3–4 (43%) 97.3 -0.53
28 — — — — — — — — — — — — — — — — 2019 1715 133.2 +1.87 -1.25 0.983 49.7% -111 +63 -107 47.9% -0.16 8–10 (44%) 6–10 (38%) 98.0 -0.38
29 — — — — — — — — — — — — — — — — 2020 1685 125.8 +0.14 +0.43 0.991 50.0% -59 +53 — 48.5% -0.03 1–4 (20%) 0–3 (0%) — +0.33
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 2021 1590 121.5 -0.67 -1.96 0.871 46.9% -38 +130 — 30.4% -1.39 2–6 (25%) 0–4 (0%) 92.6 -1.36
31 2025 1492 101.5 — — — — — — — 0.0% -2.25 — 0–2 — -0.05 2022 1573 — — — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — 2023 1581 — — — — — — — — — — — — — —
33 — — — — — — — — — — — — — — — — 2024 1577 99.9 — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 2025 1620 — — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — 2026 1586 99.1 -0.36 -0.84 0.381 40.0% — — — — — — — — -0.19
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 — 1767 129.3 +0.66 -1.31 0.965 49.2% -68 +90 -110 46.2% -0.23 49–74 (40%) 32–56 (36%) 87.4 -1.91

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.