H2H data updated: 2026-09-12 00:00 UTC

Julie Heldman vs Marijke Jansen H2H: 1-1

Julie Heldman and Marijke Jansen are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Marijke Jansen leads 1–0 on clay, while Julie Heldman leads 1–0 on grass. Most recently, Julie Heldman won the 1973 Wimbledon round of 64 6-2 6-1.

USA Age 80 Right-Handed 170 cm / 5'7"
H2H
1 1
2 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Julie Heldman 6-2 6-1 Marijke Jansen Match data Jun 29, 1973* R64 Wimbledon Grand Slam Grass
Marijke Jansen 4-6 6-3 6-4 Julie Heldman Match data May 29, 1971* R16 Roland Garros Grand Slam Clay

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
Julie Heldman 2,133 381 159 70.6% 0 0 0 0 21 21
Marijke Jansen 1,818 94 74 56.0% 0 0 0 0 4 4

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 Julie Heldman Marijke Jansen
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
22 1968 53–15 77.9% 1,811 0 6
23 1969 74–17 81.3% 2,020 0 14 1968 10–8 55.6% 1,577 0 1
24 1970 29–12 70.7% 1,959 0 15 1969 15–8 65.2% 1,642 0 3
25 1971 41–23 64.1% 2,031 0 16 1970 18–8 69.2% 1,751 0 4
26 1972 32–26 55.2% 1,962 0 16 1971 16–10 61.5% 1,785 0 4
27 1973 68–31 68.7% 2,074 0 19 1972 13–9 59.1% 1,778 0 4
28 1974 60–21 74.1% 2,089 0 21 1973 14–13 51.9% 1,768 0 4
29 1975 24–14 63.2% 1,995 0 21 1974 5–7 41.7% 1,729 0 4
30 1975 0–2 0.0% 1,703 0 4
31 1976 2–4 33.3% 1,650 0 4
32 1977 0–4 0.0% 1,585 0 4
35 1980 1–1 50.0% 1,597 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 Julie Heldman Marijke Jansen
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 %
22 1968 8 3 11 72.7% 37 7 44 84.1% 5 3 8 62.5% 1 1 2 50.0%
23 1969 13 3 16 81.3% 32 4 36 88.9% 9 4 13 69.2% 16 6 22 72.7% 1968 7 5 12 58.3% 3 2 5 60.0% 0 1 1 0.0%
24 1970 19 6 25 76.0% 9 5 14 64.3% 1 1 2 50.0% 1969 13 5 18 72.2% 1 2 3 33.3% 1 1 2 50.0%
25 1971 6 3 9 66.7% 11 6 17 64.7% 11 4 15 73.3% 13 10 23 56.5% 1970 16 6 22 72.7% 2 2 4 50.0%
26 1972 5 3 8 62.5% 6 6 12 50.0% 6 6 12 50.0% 15 11 26 57.7% 1971 13 8 21 61.9% 3 2 5 60.0%
27 1973 10 4 14 71.4% 17 7 24 70.8% 24 6 30 80.0% 17 14 31 54.8% 1972 3 1 4 75.0% 10 6 16 62.5% 0 2 2 0.0%
28 1974 24 10 34 70.6% 21 5 26 80.8% 15 6 21 71.4% 1973 13 10 23 56.5% 1 1 2 50.0% 0 2 2 0.0%
29 1975 4 3 7 57.1% 9 6 15 60.0% 11 5 16 68.8% 1974 0 1 1 0.0% 5 5 10 50.0% 0 1 1 0.0%
30 1975 0 1 1 0.0% 0 1 1 0.0%
31 1976 2 3 5 40.0% 0 1 1 0.0%
32 1977 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0%
Career 46 19 65 70.8% 155 52 207 74.9% 85 33 118 72.0% 89 54 143 62.2% 3 2 5 60.0% 79 51 130 60.8% 10 14 24 41.7% 1 6 7 14.3%

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 Julie Heldman Marijke Jansen
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
22 1968 1811 138.4 -128 +140 -203 73.8% +2.05 10–3 (77%) -1.49
23 1969 2021 153.7 +84 +69 -264 74.9% +2.13 16–5 (76%) -8.73 1968 1577 105.1 +3 -17 51.2% -0.02 5–2 (71%) -0.67
24 1970 1960 152.1 +143 -157 70.9% +1.83 3–5 (38%) -3.54 1969 1643 115.6 +68 -103 60.4% +0.91 5–4 (56%) +1.58
25 1971 2032 159.2 +11 +32 -114 62.0% +1.18 10–8 (56%) 1–3 (25%) 97.7 -6.66 1970 1752 126.8 +60 -165 64.4% +0.78 5–2 (71%) +1.00
26 1972 1963 153.4 +119 +20 -75 55.3% +0.34 7–9 (44%) 4–0 (100%) 98.9 -9.20 1971 1786 135.2 +42 -138 55.6% +0.60 8–3 (73%) +0.02
27 1973 2075 159.9 -31 -45 +40 66.5% +1.41 12–9 (57%) 2–8 (20%) 97.9 -10.33 1972 1778 128.5 -206 +66 57.8% +0.98 3–2 (60%) -0.18
28 1974 2090 159.9 -2 -3 +79 69.7% +1.48 11–6 (65%) 5–5 (50%) 102.8 -5.94 1973 1768 139.0 +62 50.8% +0.02 4–3 (57%) 2–1 (67%) 101.1 -2.60
29 1975 1995 149.5 +96 -22 59.0% +0.87 6–3 (67%) 2–2 (50%) 98.1 -3.41 1974 1729 119.8 +48 43.5% -0.35 1–0 1–1 -0.09
30 1975 1703 99.6 0.0% -3.75 -0.09
31 1976 1650 106.7 +64 42.9% -0.29 0–2 1–1 +0.88
32 1977 1586 98.5 20.0% -2.60 0–2 +0.17
35 1980 1598 102.2 100.0% +2.50 +0.02
Career 2134 158.8 +33 +56 -56 67.3% +1.47 75–48 (61%) 14–18 (44%) 100.6 -9.28 1819 131.1 -206 +53 -103 54.1% +0.34 31–20 (61%) 4–3 (57%) 105.7 +0.02

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.