H2H data updated: 2026-09-12 00:00 UTC
Julie Heldman holds a 1–0 lead over Kathleen Harter in their WTA head-to-head. Across 1 main-draw meeting, Julie Heldman leads 1–0 on clay. Most recently, Julie Heldman won the 1974 Orlando round of 16 6-0 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.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Julie Heldman | 6-0 6-1 | Kathleen Harter | Match data | Sep 20, 1974* | R16 | Orlando | WTA 250 | 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | — | — | — | 1,746 | 106 | 103 | 50.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| Julie Heldman | — | — | — | 2,133 | 381 | 159 | 70.6% | 0 | 0 | 0 | 0 | 21 | 21 |
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 | Kathleen Harter | Julie Heldman | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 1968 | 40–22 | 64.5% | — | 1,690 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1969 | 1–1 | 50.0% | — | 1,685 | 0 | 0 | 1968 | 53–15 | 77.9% | — | 1,811 | 0 | 6 |
| 23 | 1970 | 23–20 | 53.5% | — | 1,678 | 0 | 0 | 1969 | 74–17 | 81.3% | — | 2,020 | 0 | 14 |
| 24 | 1971 | 9–2 | 81.8% | — | 1,732 | 0 | 2 | 1970 | 29–12 | 70.7% | — | 1,959 | 0 | 15 |
| 25 | — | — | — | — | — | — | — | 1971 | 41–23 | 64.1% | — | 2,031 | 0 | 16 |
| 26 | — | — | — | — | — | — | — | 1972 | 32–26 | 55.2% | — | 1,962 | 0 | 16 |
| 27 | 1974 | 4–5 | 44.4% | — | 1,729 | 0 | 2 | 1973 | 68–31 | 68.7% | — | 2,074 | 0 | 19 |
| 28 | 1975 | 6–8 | 42.9% | — | 1,664 | 0 | 2 | 1974 | 60–21 | 74.1% | — | 2,089 | 0 | 21 |
| 29 | 1976 | 9–16 | 36.0% | — | 1,615 | 0 | 2 | 1975 | 24–14 | 63.2% | — | 1,995 | 0 | 21 |
| 30 | 1977 | 12–20 | 37.5% | — | 1,644 | 0 | 2 | — | — | — | — | — | — | — |
| 31 | 1978 | 2–9 | 18.2% | — | 1,591 | 0 | 2 | — | — | — | — | — | — | — |
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 | Kathleen Harter | Julie Heldman | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | |||||||||||||||||||||||||
| 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 % | |||
| 21 | 1968 | 12 | 5 | 17 | 70.6% | 11 | 6 | 17 | 64.7% | 16 | 9 | 25 | 64.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 1969 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1968 | 8 | 3 | 11 | 72.7% | 37 | 7 | 44 | 84.1% | 5 | 3 | 8 | 62.5% | 1 | 1 | 2 | 50.0% |
| 23 | 1970 | 6 | 4 | 10 | 60.0% | 7 | 7 | 14 | 50.0% | 8 | 8 | 16 | 50.0% | — | — | — | — | 1969 | 13 | 3 | 16 | 81.3% | 32 | 4 | 36 | 88.9% | 9 | 4 | 13 | 69.2% | 16 | 6 | 22 | 72.7% |
| 24 | 1971 | 1 | 1 | 2 | 50.0% | — | — | — | — | 8 | 1 | 9 | 88.9% | — | — | — | — | 1970 | — | — | — | — | 19 | 6 | 25 | 76.0% | 9 | 5 | 14 | 64.3% | 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% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 5 | 3 | 8 | 62.5% | 6 | 6 | 12 | 50.0% | 6 | 6 | 12 | 50.0% | 15 | 11 | 26 | 57.7% |
| 27 | 1974 | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 1973 | 10 | 4 | 14 | 71.4% | 17 | 7 | 24 | 70.8% | 24 | 6 | 30 | 80.0% | 17 | 14 | 31 | 54.8% |
| 28 | 1975 | — | — | — | — | 1 | 1 | 2 | 50.0% | 3 | 2 | 5 | 60.0% | 0 | 1 | 1 | 0.0% | 1974 | — | — | — | — | 24 | 10 | 34 | 70.6% | 21 | 5 | 26 | 80.8% | 15 | 6 | 21 | 71.4% |
| 29 | 1976 | 0 | 1 | 1 | 0.0% | 3 | 9 | 12 | 25.0% | 5 | 5 | 10 | 50.0% | 1 | 1 | 2 | 50.0% | 1975 | 4 | 3 | 7 | 57.1% | 9 | 6 | 15 | 60.0% | — | — | — | — | 11 | 5 | 16 | 68.8% |
| 30 | 1977 | 2 | 4 | 6 | 33.3% | 2 | 6 | 8 | 25.0% | 5 | 7 | 12 | 41.7% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 1978 | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 0 | 4 | 4 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 25 | 20 | 45 | 55.6% | 25 | 31 | 56 | 44.6% | 46 | 35 | 81 | 56.8% | 6 | 12 | 18 | 33.3% | — | 46 | 19 | 65 | 70.8% | 155 | 52 | 207 | 74.9% | 85 | 33 | 118 | 72.0% | 89 | 54 | 143 | 62.2% |
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 | Kathleen Harter | Julie Heldman | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 21 | 1968 | 1691 | 124.1 | — | — | — | — | +5 | -60 | +10 | 63.4% | +1.09 | 6–5 (55%) | — | — | 0.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 1969 | 1686 | 102.9 | — | — | — | — | — | — | — | 40.0% | -0.20 | 1–0 | — | — | +0.23 | 1968 | 1811 | 138.4 | — | — | — | — | -128 | +140 | -203 | 73.8% | +2.05 | 10–3 (77%) | — | — | -1.49 |
| 23 | 1970 | 1678 | 122.9 | — | — | — | — | +41 | -69 | +30 | 53.1% | +0.10 | 5–7 (42%) | 2–0 | — | +0.91 | 1969 | 2021 | 153.7 | — | — | — | — | +84 | +69 | -264 | 74.9% | +2.13 | 16–5 (76%) | — | — | -8.73 |
| 24 | 1971 | 1732 | 126.5 | — | — | — | — | — | — | +71 | 79.2% | +2.54 | 1–1 | — | — | +2.89 | 1970 | 1960 | 152.1 | — | — | — | — | — | +143 | -157 | 70.9% | +1.83 | 3–5 (38%) | — | — | -3.54 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1971 | 2032 | 159.2 | — | — | — | — | +11 | +32 | -114 | 62.0% | +1.18 | 10–8 (56%) | 1–3 (25%) | 97.7 | -6.66 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 1963 | 153.4 | — | — | — | — | +119 | +20 | -75 | 55.3% | +0.34 | 7–9 (44%) | 4–0 (100%) | 98.9 | -9.20 |
| 27 | 1974 | 1729 | 112.1 | — | — | — | — | -17 | — | — | 42.1% | -1.16 | 1–2 (33%) | 1–0 | — | -0.51 | 1973 | 2075 | 159.9 | — | — | — | — | -31 | -45 | +40 | 66.5% | +1.41 | 12–9 (57%) | 2–8 (20%) | 97.9 | -10.33 |
| 28 | 1975 | 1665 | 112.0 | — | — | — | — | — | — | +97 | 44.1% | -0.82 | 3–3 (50%) | 1–1 | — | +0.39 | 1974 | 2090 | 159.9 | — | — | — | — | -2 | -3 | +79 | 69.7% | +1.48 | 11–6 (65%) | 5–5 (50%) | 102.8 | -5.94 |
| 29 | 1976 | 1615 | 122.9 | — | — | — | — | +60 | -57 | +152 | 41.7% | -0.45 | 3–7 (30%) | 4–5 (44%) | 95.7 | +0.03 | 1975 | 1995 | 149.5 | — | — | — | — | +96 | -22 | — | 59.0% | +0.87 | 6–3 (67%) | 2–2 (50%) | 98.1 | -3.41 |
| 30 | 1977 | 1644 | 127.2 | — | — | — | — | +49 | -96 | +72 | 37.5% | -0.88 | 5–3 (63%) | 2–4 (33%) | 101.5 | +0.34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 1978 | 1592 | 110.8 | — | — | — | — | +42 | — | +109 | 24.0% | -1.40 | 1–2 (33%) | 1–5 (17%) | 95.6 | -0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1746 | 127.1 | — | — | — | — | +25 | -67 | +57 | 50.6% | +0.08 | 26–30 (46%) | 11–15 (42%) | 95.9 | +2.03 | — | 2134 | 158.8 | — | — | — | — | +33 | +56 | -56 | 67.3% | +1.47 | 75–48 (61%) | 14–18 (44%) | 100.6 | -9.28 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Judy Tegart | 0 | 5 | 5 | Oct 2, 1970 | H2H |
| Pam Teeguarden | 2 | 2 | 4 | Aug 12, 1977 | H2H |
| Valerie Ziegenfuss | 2 | 2 | 4 | Oct 6, 1976 | H2H |
| Peaches Bartkowicz | 1 | 3 | 4 | Apr 12, 1970 | H2H |
| Billie Jean King | 0 | 3 | 3 | Feb 23, 1978 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Virginia Wade | 6 | 22 | 28 | Jan 19, 1975 | H2H |
| Margaret Court | 2 | 17 | 19 | Feb 8, 1975 | H2H |
| Billie Jean King | 3 | 15 | 18 | Jan 18, 1975 | H2H |
| Francoise Durr | 7 | 8 | 15 | Sep 28, 1974 | H2H |
| Kerry Reid | 10 | 4 | 14 | Jan 18, 1975 | H2H |