H2H data updated: 2026-09-13 00:00 UTC
Julie Filkoff holds a 1–0 lead over Penny Johnson in their WTA head-to-head. Across 1 main-draw meeting, Julie Filkoff leads 1–0 on clay. Most recently, Julie Filkoff won the 1980 Hong Kong Open round of 32 2-6 6-2 6-4.
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 Filkoff | 2-6 6-2 6-4 | Penny Johnson | Match data | Nov 6, 1980* | R32 | Hong Kong Open | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Julie Filkoff | — | — | — | 1,516 | 11 | 22 | 33.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| Penny Johnson | — | — | — | 1,532 | 4 | 8 | 33.3% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Julie Filkoff | Penny Johnson | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1978 | 1–1 | 50.0% | — | 1,500 | 0 | 0 | 1978 | 0–1 | 0.0% | — | 1,490 | 0 | 0 |
| 1979 | 0–1 | 0.0% | — | 1,485 | 0 | 0 | 1979 | 1–0 | 100.0% | — | 1,507 | 0 | 0 |
| 1980 | 7–12 | 36.8% | — | 1,471 | 0 | 0 | 1980 | 3–7 | 30.0% | — | 1,448 | 0 | 0 |
| 1981 | 0–1 | 0.0% | — | 1,457 | 0 | 0 | — | — | — | — | — | — | — |
| 1982 | 3–7 | 30.0% | — | 1,420 | 0 | 0 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Julie Filkoff | Penny Johnson | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | ||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1980 | 3 | 3 | 6 | 50.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 1980 | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | 3 | 2 | 5 | 60.0% |
| 1982 | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 5 | 7 | 12 | 41.7% | 1 | 2 | 3 | 33.3% | — | — | — | — | Career | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | 3 | 2 | 5 | 60.0% |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Julie Filkoff | Penny Johnson | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1978 | 1501 | 98.9 | — | — | — | — | — | — | — | 50.0% | -0.75 | — | — | — | +0.09 | 1978 | 1491 | 98.6 | — | — | — | — | — | — | — | 0.0% | -4.50 | — | — | — | -0.16 |
| 1979 | 1486 | 98.3 | — | — | — | — | — | — | — | 33.3% | -2.00 | 0–1 | — | — | +0.13 | 1979 | 1507 | 103.5 | — | — | — | — | — | — | — | 100.0% | +3.50 | — | — | — | +0.07 |
| 1980 | 1472 | 94.2 | — | — | — | — | +102 | +30 | — | 34.8% | -1.22 | 6–2 (75%) | 0–3 (0%) | — | +0.59 | 1980 | 1448 | 91.9 | — | — | — | — | — | — | +136 | 36.8% | -1.21 | 0–1 | — | — | +1.51 |
| 1981 | 1457 | 95.7 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1982 | 1420 | 95.3 | — | — | — | — | +121 | — | — | 40.0% | -0.68 | 1–4 (20%) | 3–2 (60%) | 96.8 | +1.14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1516 | 93.5 | — | — | — | — | +112 | +30 | — | 36.3% | -1.13 | 7–7 (50%) | 3–5 (38%) | 99.8 | +6.00 | Career | 1532 | 95.8 | — | — | — | — | — | — | +136 | 39.1% | -1.09 | 0–1 | — | — | +11.83 |
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 |
|---|---|---|---|---|---|
| Kate Glancy | 1 | 1 | 2 | Jun 17, 1982 | H2H |
| Micki Schillig | 0 | 1 | 1 | Aug 6, 1982 | H2H |
| Paula Coulter | 1 | 0 | 1 | Aug 5, 1982 | H2H |
| Christina Rozwadowski | 0 | 1 | 1 | Jul 29, 1982 | H2H |
| Cathy Classen | 0 | 1 | 1 | Jul 22, 1982 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Michiko Saji | 0 | 1 | 1 | Nov 15, 1980 | H2H |
| Jennifer Goodling | 0 | 1 | 1 | Nov 12, 1980 | H2H |
| Julie Filkoff | 0 | 1 | 1 | Nov 6, 1980 | H2H |
| Renata Tomanova | 0 | 1 | 1 | Oct 23, 1980 | H2H |
| Nerida Gregory | 0 | 1 | 1 | Oct 16, 1980 | H2H |