H2H data updated: 2026-09-11 00:00 UTC
Jill Davis holds a 1–0 lead over Joni Van Ryck De Groot in their WTA head-to-head. They have met 1 times in main draws. Most recently, Jill Davis won the 1980 Memphis Classic round of 32 6-4 4-6 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 |
|---|---|---|---|---|---|---|---|---|
| Jill Davis | 6-4 4-6 6-1 | Joni Van Ryck De Groot | Match data | Jun 12, 1980* | R32 | Memphis Classic | WTA 250 | — |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jill Davis | — | — | — | 1,641 | 20 | 24 | 45.5% | 0 | 0 | 0 | 0 | 0 | 0 |
| Joni Van Ryck De Groot | — | — | — | 1,500 | 1 | 8 | 11.1% | 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.
| Jill Davis | Joni Van Ryck De Groot | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1979 | 1–2 | 33.3% | — | 1,502 | 0 | 0 | 1980 | 0–4 | 0.0% | — | 1,438 | 0 | 0 |
| 1980 | 2–5 | 28.6% | — | 1,484 | 0 | 0 | 1981 | 0–2 | 0.0% | — | 1,413 | 0 | 0 |
| 1981 | 7–4 | 63.6% | — | 1,549 | 0 | 0 | 1982 | 1–2 | 33.3% | — | 1,419 | 0 | 0 |
| 1982 | 7–6 | 53.8% | — | 1,627 | 0 | 0 | — | — | — | — | — | — | — |
| 1983 | 3–7 | 30.0% | — | 1,614 | 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.
| Jill Davis | Joni Van Ryck De Groot | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 1979 | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 33.3% | 1982 | — | — | — | — | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% |
| 1980 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1982 | 4 | 3 | 7 | 57.1% | 0 | 1 | 1 | 0.0% | 3 | 1 | 4 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1983 | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 5 | 8 | 13 | 38.5% | 0 | 3 | 3 | 0.0% | 7 | 7 | 14 | 50.0% | Career | — | — | — | — | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% |
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.
| Jill Davis | Joni Van Ryck De Groot | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1979 | 1502 | 103.3 | — | — | — | — | — | — | +56 | 33.3% | -1.17 | — | 1–0 | — | +0.14 | 1980 | 1438 | 87.1 | — | — | — | — | — | — | — | 11.1% | -3.22 | 0–1 | 0–1 | — | +0.16 |
| 1980 | 1484 | 97.9 | — | — | — | — | — | — | — | 35.7% | -0.43 | 1–1 | 0–2 | — | +0.17 | 1981 | 1413 | 89.5 | — | — | — | — | — | — | — | 0.0% | -4.75 | — | — | — | +0.02 |
| 1981 | 1549 | 114.9 | — | — | — | — | — | — | — | 65.2% | +1.17 | 2–1 (67%) | 2–0 | — | +0.22 | 1982 | 1419 | 105.9 | — | — | — | — | — | — | — | 33.3% | -0.83 | — | 0–1 | — | +0.29 |
| 1982 | 1628 | 123.7 | — | — | — | — | -10 | — | +12 | 54.8% | +0.26 | 2–3 (40%) | 4–1 (80%) | 102.9 | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1983 | 1614 | 114.2 | — | — | — | — | -25 | — | +35 | 36.4% | -0.59 | 0–2 | 1–1 | — | -0.64 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1642 | 118.4 | — | — | — | — | -15 | — | +33 | 49.0% | +0.09 | 5–7 (42%) | 8–4 (67%) | 101.9 | -0.37 | Career | 1500 | 92.0 | — | — | — | — | — | — | — | 15.8% | -2.79 | 0–1 | 0–2 | — | +5.22 |
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 |
|---|---|---|---|---|---|
| Ann Kiyomura Hayashi | 0 | 2 | 2 | Aug 10, 1983 | H2H |
| Louise Allen | 0 | 2 | 2 | Jul 15, 1982 | H2H |
| Jane Preyer | 1 | 1 | 2 | Jun 6, 1982 | H2H |
| Andrea Temesvari | 0 | 1 | 1 | Sep 1, 1983 | H2H |
| Camille Benjamin | 0 | 1 | 1 | Jun 24, 1983 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Ann Henricksson | 0 | 1 | 1 | Jun 4, 1982 | H2H |
| Ann Jones | 1 | 0 | 1 | Jun 3, 1982 | H2H |
| Heliane Steden | 0 | 1 | 1 | May 3, 1982 | H2H |
| Shandra Livingston | 0 | 1 | 1 | Jul 30, 1981 | H2H |
| Louise Allen | 0 | 1 | 1 | Jul 10, 1981 | H2H |