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

Danielle Collins vs Saisai Zheng H2H: 1-2

Saisai Zheng holds a 2–1 lead over Danielle Collins in their WTA head-to-head. Across 3 main-draw meetings, Saisai Zheng leads 2–1 on hard courts. Most recently, Danielle Collins won the 2021 Adelaide International first round 7-6(5) 6-1.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Danielle Collins
United States Age 32 Right-Handed 178 cm / 5'10"
H2H
1 – 2
3 main-draw meetings
Saisai Zheng
China Age 32 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Danielle Collins #37 7-6(5) 6-1 Saisai Zheng #47 Match data Feb 24, 2021* R32 Adelaide International WTA 500 Hard
Saisai Zheng #55 6-2 6-0 Danielle Collins #33 Match data Aug 2, 2019* R16 San Jose Premier → modern equivalent WTA 500 Hard
Saisai Zheng #68 2-6 6-4 6-2 Danielle Collins #38 Match data Sep 25, 2018* R64 Wuhan Open Premier 5 → modern equivalent WTA 1000 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
Danielle Collins #343 #7 3,702 2,073 174 118 59.6% 0 1 0 2 1 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 Danielle Collins Saisai Zheng
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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 0–1 0.0% #915 1,498 0 0 2014 6–6 50.0% #100 1,552 0 0
21 — — — — — — — 2015 9–22 29.0% #72 1,495 0 0
22 2016 0–1 0.0% #259 1,492 0 0 2016 13–24 35.1% #85 1,542 0 0
23 2017 0–1 0.0% #177 1,484 0 0 2017 5–10 33.3% #93 1,618 0 0
24 2018 18–17 51.4% #36 1,659 0 0 2018 13–12 52.0% #38 1,678 0 0
25 2019 18–18 50.0% #29 1,717 0 0 2019 21–23 47.7% #42 1,750 0 1
26 2020 10–6 62.5% #45 1,812 0 0 2020 6–4 60.0% #41 1,768 0 1
27 2021 37–15 71.2% #29 1,891 0 2 2021 10–17 37.0% #79 1,686 0 1
28 2022 20–11 64.5% #14 1,898 0 2 — — — — — — —
29 2023 18–18 50.0% #52 1,854 0 2 — — — — — — —
30 2024 38–16 70.4% #11 1,950 0 4 2024 1–5 16.7% #692 1,548 0 1
31 2025 15–14 51.7% #64 1,859 0 4 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 Danielle Collins 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 — — — — — — — — — — — — — 2012 2 3 5 40.0% — — — — — — — —
19 — — — — — — — — — — — — — 2013 1 3 4 25.0% — — — — — — — —
20 2014 0 1 1 0.0% — — — — — — — — 2014 6 5 11 54.5% 0 1 1 0.0% — — — —
21 — — — — — — — — — — — — — 2015 8 17 25 32.0% 1 2 3 33.3% 0 3 3 0.0%
22 2016 0 1 1 0.0% — — — — — — — — 2016 10 17 27 37.0% 0 3 3 0.0% 3 4 7 42.9%
23 2017 0 1 1 0.0% — — — — — — — — 2017 4 7 11 36.4% 1 2 3 33.3% 0 1 1 0.0%
24 2018 14 10 24 58.3% 2 4 6 33.3% 2 3 5 40.0% 2018 12 7 19 63.2% 0 3 3 0.0% 1 2 3 33.3%
25 2019 10 11 21 47.6% 6 5 11 54.5% 2 2 4 50.0% 2019 18 16 34 52.9% 3 4 7 42.9% 0 3 3 0.0%
26 2020 6 5 11 54.5% 4 1 5 80.0% — — — — 2020 6 4 10 60.0% — — — — — — — —
27 2021 25 11 36 69.4% 11 3 14 78.6% 1 1 2 50.0% 2021 7 13 20 35.0% 3 4 7 42.9% — — — —
28 2022 17 6 23 73.9% 3 4 7 42.9% 0 1 1 0.0% — — — — — — — — — — — — —
29 2023 17 15 32 53.1% 0 2 2 0.0% 1 1 2 50.0% — — — — — — — — — — — — —
30 2024 16 10 26 61.5% 19 5 24 79.2% 3 1 4 75.0% 2024 1 4 5 20.0% 0 1 1 0.0% — — — —
31 2025 6 8 14 42.9% 7 4 11 63.6% 2 2 4 50.0% 2025 0 2 2 0.0% — — — — — — — —
Career — 111 79 190 58.4% 52 28 80 65.0% 11 11 22 50.0% — 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 279/293 of Danielle Collins'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 Danielle Collins 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 — —/— — — — — — — — — — 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%
20 2014 1/1 2.0 0.0 59.0% 63.3% 52.9% 64.3% 20.0% 59.0% 32.3% 2014 8/12 1.6 1.4 66.9% 56.0% 51.5% 45.6% 52.8% 54.4% 45.8%
21 — —/— — — — — — — — — — 2015 20/31 0.9 2.2 66.6% 52.7% 45.0% 41.5% 52.4% 50.4% 40.2%
22 2016 1/1 0.0 3.0 55.3% 26.9% 42.9% 30.0% 50.0% 34.0% 36.6% 2016 34/37 0.9 2.1 63.7% 56.5% 46.6% 51.9% 45.9% 52.5% 44.2%
23 2017 1/1 1.0 1.0 56.3% 37.0% 33.3% 25.0% 33.3% 35.4% 40.0% 2017 15/15 1.2 2.2 65.3% 54.2% 43.1% 51.6% 58.7% 49.8% 38.9%
24 2018 30/35 2.4 3.2 58.0% 60.3% 46.2% 47.0% 47.7% 54.1% 41.8% 2018 21/25 0.9 2.0 66.8% 58.5% 45.1% 54.0% 49.2% 54.0% 45.2%
25 2019 35/36 3.2 3.1 59.4% 62.0% 47.0% 51.0% 52.5% 56.2% 41.8% 2019 44/44 1.4 2.7 64.7% 59.2% 44.3% 49.7% 45.7% 53.7% 43.6%
26 2020 16/16 3.5 3.5 58.9% 71.1% 48.3% 61.6% 48.3% 61.3% 43.8% 2020 10/10 1.3 2.0 70.3% 62.9% 43.1% 43.5% 45.9% 57.5% 46.4%
27 2021 52/52 3.6 3.9 54.6% 70.3% 48.5% 54.9% 54.3% 60.2% 46.1% 2021 26/27 0.9 1.8 67.3% 58.4% 47.9% 53.1% 43.0% 54.9% 42.5%
28 2022 31/31 3.8 6.1 54.1% 69.6% 48.1% 57.9% 52.5% 59.6% 45.1% — —/— — — — — — — — — —
29 2023 36/36 3.6 4.6 59.0% 67.2% 47.2% 55.1% 48.1% 58.8% 42.2% — —/— — — — — — — — — —
30 2024 50/54 3.8 4.8 56.5% 71.1% 47.4% 58.9% 52.9% 60.8% 45.4% 2024 6/6 1.0 3.3 62.2% 51.9% 44.6% 40.1% 45.4% 49.1% 39.6%
31 2025 26/30 4.2 5.2 57.9% 66.1% 49.5% 55.1% 51.5% 58.8% 41.9% — —/— — — — — — — — — —
Career — 279/293 3.5 4.3 57.0% 67.2% 47.7% 54.9% 51.3% 58.7% 43.7% — 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 Danielle Collins 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 — — — — — — — — — — — — — — — — 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 1498 107.7 +4.54 +2.42 0.787 44.9% — — — 33.3% -2.67 0–1 1–0 — -0.24 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 1492 98.2 -2.62 -4.63 0.555 35.2% — — — 0.0% -4.50 — — — +0.13 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 1484 100.8 -2.48 +1.44 0.619 37.6% — — — 0.0% -5.00 — — — -0.14 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 1659 126.6 -1.48 -1.03 0.910 48.1% +14 -93 -38 46.8% -0.30 9–4 (69%) 2–2 (50%) 106.1 +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 2019 1717 138.4 -0.18 -0.13 0.953 49.3% -18 -87 -80 51.3% -0.12 5–7 (42%) 6–4 (60%) 101.1 -1.21 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 1813 147.3 +3.14 +1.35 1.131 52.7% -60 -109 — 60.0% +0.85 4–4 (50%) 0–1 — -1.27 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 1891 152.7 +3.13 +2.70 1.158 53.3% +4 -43 — 71.3% +1.40 9–5 (64%) 7–3 (70%) 107.5 +0.72 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 2022 1898 149.2 +2.47 +2.92 1.117 52.3% +79 -119 — 66.2% +0.81 3–5 (38%) 6–3 (67%) 99.8 +0.10 — — — — — — — — — — — — — — — —
29 2023 1855 153.7 +2.52 +1.03 1.025 50.4% +53 — — 53.6% +0.20 5–9 (36%) 5–7 (42%) 91.8 -2.00 — — — — — — — — — — — — — — — —
30 2024 1951 160.8 +3.69 +3.10 1.157 53.2% -11 +71 -239 68.1% +1.30 9–7 (56%) 7–1 (88%) 104.9 -1.22 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 1860 143.1 +1.81 -0.05 1.019 50.4% -7 +142 -159 50.7% +0.09 5–4 (56%) 4–3 (57%) 100.4 -0.97 2025 1492 101.5 — — — — — — — 0.0% -2.25 — 0–2 — -0.05
Career — 2074 154.6 +2.01 +1.46 1.057 51.3% +14 -3 -124 59.0% +0.55 49–46 (52%) 38–24 (61%) 107.7 -1.76 — 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.