Janine Lieffrig
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Anne Marie Larue | 2 | 1 | 3 | Jun 7, 1969 | H2H |
| Daniele Bouteleux | 1 | 1 | 2 | Dec 6, 1970 | H2H |
| Annette Coe | 0 | 1 | 1 | Jan 4, 1974 | H2H |
| Ilana Kloss | 0 | 1 | 1 | Dec 22, 1972 | H2H |
| Patti Hogan | 0 | 1 | 1 | Jan 13, 1972 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Janine Lieffrig holds a 1–0 lead over Lidy Venneboer in their WTA head-to-head. Across 1 main-draw meeting, Janine Lieffrig leads 1–0 on clay. Most recently, Janine Lieffrig won the 1968 Monte Carlo round of 32 6-1 9-7.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Janine Lieffrig | 6-1 9-7 | Lidy Venneboer | Match data | Apr 11, 1968* | R32 | Monte Carlo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Janine Lieffrig | — | — | — | 1,545 | 18 | 25 | 41.9% | 0 | 0 | 0 | 0 | 1 | 1 |
| Lidy Venneboer | — | — | — | 1,550 | 6 | 10 | 37.5% | 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.
| Age | Janine Lieffrig | Lidy Venneboer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | — | — | — | — | — | — | — | 1968 | 6–10 | 37.5% | — | 1,457 | 0 | 0 |
| 30 | 1968 | 5–6 | 45.5% | — | 1,483 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1969 | 6–6 | 50.0% | — | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1970 | 3–4 | 42.9% | — | 1,500 | 0 | 1 | — | — | — | — | — | — | — |
| 33 | 1971 | 2–4 | 33.3% | — | 1,492 | 0 | 1 | — | — | — | — | — | — | — |
| 34 | 1972 | 2–4 | 33.3% | — | 1,500 | 0 | 1 | — | — | — | — | — | — | — |
| 36 | 1974 | 0–1 | 0.0% | — | 1,482 | 0 | 1 | — | — | — | — | — | — | — |
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 | Janine Lieffrig | Lidy Venneboer | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1457 | 97.2 | — | — | — | — | +107 | -43 | +48 | 39.5% | -0.74 | 3–3 (50%) | — | — | +0.75 |
| 30 | 1968 | 1483 | 101.5 | — | — | — | — | — | +21 | — | 51.9% | +0.33 | 1–4 (20%) | — | — | +0.64 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 1969 | 1490 | 108.0 | — | — | — | — | +121 | -18 | — | 48.3% | +0.38 | 3–2 (60%) | — | — | +2.24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 32 | 1970 | 1500 | 107.7 | — | — | — | — | — | -61 | — | 47.1% | -0.12 | 1–2 (33%) | — | — | +0.91 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 33 | 1971 | 1493 | 106.2 | — | — | — | — | +129 | -41 | — | 40.0% | -0.60 | 1–2 (33%) | — | — | +1.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 34 | 1972 | 1500 | 102.9 | — | — | — | — | +75 | — | — | 33.3% | -1.00 | — | — | — | +0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 36 | 1974 | 1482 | 96.9 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +0.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1546 | 107.2 | — | — | — | — | +102 | -20 | — | 45.1% | -0.09 | 6–10 (38%) | — | — | +12.02 | — | 1551 | 98.0 | — | — | — | — | +107 | -43 | +48 | 39.5% | -0.74 | 3–3 (50%) | — | — | +4.69 |
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 |
|---|---|---|---|---|---|
| Anne Marie Larue | 2 | 1 | 3 | Jun 7, 1969 | H2H |
| Daniele Bouteleux | 1 | 1 | 2 | Dec 6, 1970 | H2H |
| Annette Coe | 0 | 1 | 1 | Jan 4, 1974 | H2H |
| Ilana Kloss | 0 | 1 | 1 | Dec 22, 1972 | H2H |
| Patti Hogan | 0 | 1 | 1 | Jan 13, 1972 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Monique Salfati | 1 | 1 | 2 | Feb 1, 1968 | H2H |
| Pixie Lamm | 0 | 1 | 1 | Jun 26, 1968 | H2H |
| Kathleen Harter | 0 | 1 | 1 | Jun 19, 1968 | H2H |
| Kerry Reid | 0 | 1 | 1 | Jun 15, 1968 | H2H |
| Judy Congdon | 1 | 0 | 1 | Jun 14, 1968 | H2H |