Toni Novack
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Yvonne Vermaak | 0 | 1 | 1 | Jul 3, 1975 | H2H |
| Beverly Buckley | 0 | 1 | 1 | Mar 20, 1975 | H2H |
| Valerie Ziegenfuss | 0 | 1 | 1 | Jul 14, 1973 | H2H |
| Pam Hobbs | 1 | 0 | 1 | Jul 13, 1973 | H2H |
| Jane Stratton | 1 | 0 | 1 | Jul 12, 1973 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Toni Novack vs Karen Seiferd H2H: 1-0
Toni Novack holds a 1–0 lead over Karen Seiferd in their WTA head-to-head. Across 1 main-draw meeting, Toni Novack leads 1–0 on clay. Most recently, Toni Novack won the 1971 Fort Lauderdale Invitation round of 32 6-3 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.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Toni Novack | 6-3 6-1 | Karen Seiferd | Match data | Jan 21, 1971* | R32 | Fort Lauderdale Invitation | 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.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toni Novack | — | — | — | 1,504 | 5 | 11 | 31.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| Karen Seiferd | — | — | — | 1,500 | 0 | 2 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
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.
| Toni Novack | Karen Seiferd | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 0–1 | 0.0% | — | 1,484 | 0 | 0 | 1970 | 0–1 | 0.0% | — | 1,483 | 0 | 0 |
| 1970 | 1–4 | 20.0% | — | 1,460 | 0 | 0 | 1971 | 0–1 | 0.0% | — | 1,466 | 0 | 0 |
| 1971 | 2–1 | 66.7% | — | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 2–3 | 40.0% | — | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 0–2 | 0.0% | — | 1,472 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Career Season
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.
| Toni Novack | Karen Seiferd | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Clay | Carpet | Yr | Clay | Carpet | ||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1968 | 0 | 1 | 1 | 0.0% | — | — | — | — | 1970 | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1970 | 1 | 4 | 5 | 20.0% | — | — | — | — | 1971 | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1971 | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — |
| Career | 3 | 7 | 10 | 30.0% | 0 | 1 | 1 | 0.0% | Career | 0 | 2 | 2 | 0.0% | — | — | — | — |
Advanced Statistics Comparison by Career Season
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.
| Toni Novack | Karen Seiferd | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1968 | 1484 | 88.4 | — | — | — | — | — | — | — | 0.0% | -6.00 | — | — | — | +0.07 | 1970 | 1483 | 89.0 | — | — | — | — | — | — | — | 0.0% | -6.00 | — | — | — | +0.22 |
| 1970 | 1461 | 96.3 | — | — | — | — | — | -1 | — | 25.0% | -2.17 | 1–1 | — | — | +0.46 | 1971 | 1466 | 94.6 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.22 |
| 1971 | 1482 | 94.5 | — | — | — | — | — | +9 | — | 50.0% | -1.00 | — | — | — | +0.59 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 1502 | 105.1 | — | — | — | — | — | — | — | 45.5% | -1.09 | 0–1 | — | — | -0.18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1473 | 97.6 | — | — | — | — | — | — | — | 20.0% | -2.20 | 0–1 | — | — | +0.21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1504 | 94.3 | — | — | — | — | — | +3 | — | 32.4% | -1.91 | 1–3 (25%) | — | — | +7.19 | Career | 1500 | 91.8 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +22.00 |
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.
Karen Seiferd
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Toni Novack | 0 | 1 | 1 | Jan 21, 1971 | H2H |
| Patricia Reese | 0 | 1 | 1 | Jan 25, 1970 | H2H |