H2H data updated: 2026-09-12 00:00 UTC
Carol Christian holds a 1–0 lead over Katharina Duell in their WTA head-to-head. Across 1 main-draw meeting, Carol Christian leads 1–0 on hard courts. Most recently, Carol Christian won the 1988 Key Biscayne round of 128 6-1 6-2.
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 |
|---|---|---|---|---|---|---|---|---|
| Carol Christian | 6-1 6-2 | Katharina Duell | Match data | Mar 15, 1988* | R128 | Key Biscayne | Category 6 → modern equivalent WTA 500 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Carol Christian | — | — | — | 1,572 | 13 | 18 | 41.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Katharina Duell | — | — | — | 1,500 | 2 | 12 | 14.3% | 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.
| Carol Christian | Katharina Duell | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1983 | 1–1 | 50.0% | — | 1,518 | 0 | 0 | 1987 | 1–2 | 33.3% | — | 1,484 | 0 | 0 |
| 1987 | 3–3 | 50.0% | — | 1,529 | 0 | 0 | 1988 | 0–4 | 0.0% | — | 1,427 | 0 | 0 |
| 1988 | 9–11 | 45.0% | — | 1,521 | 0 | 0 | 1989 | 1–2 | 33.3% | — | 1,435 | 0 | 0 |
| 1989 | 0–3 | 0.0% | — | 1,471 | 0 | 0 | 1990 | 0–2 | 0.0% | — | 1,416 | 0 | 0 |
| — | — | — | — | — | — | — | 1991 | 0–2 | 0.0% | — | 1,399 | 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.
| Carol Christian | Katharina Duell | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 1983 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1987 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 1987 | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 1988 | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 1988 | 8 | 9 | 17 | 47.1% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | 1989 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 1989 | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1990 | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1991 | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| Career | 9 | 13 | 22 | 40.9% | 3 | 3 | 6 | 50.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | Career | 0 | 2 | 2 | 0.0% | 2 | 10 | 12 | 16.7% | — | — | — | — | — | — | — | — |
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.
| Carol Christian | Katharina Duell | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1983 | 1519 | 96.8 | — | — | — | — | — | — | — | 50.0% | -2.25 | — | 1–0 | — | -0.14 | 1987 | 1485 | 99.6 | — | — | — | — | — | +32 | — | 50.0% | +0.34 | 1–1 | 1–0 | — | +0.47 |
| 1987 | 1530 | 99.4 | — | — | — | — | — | +35 | — | 40.0% | -1.50 | — | — | — | +0.91 | 1988 | 1428 | 88.4 | — | — | — | — | — | — | — | 0.0% | -3.38 | — | — | — | +0.61 |
| 1988 | 1522 | 108.8 | — | — | — | — | +32 | — | — | 43.5% | -0.20 | 4–2 (67%) | 0–3 (0%) | 99.9 | +2.32 | 1989 | 1435 | 103.7 | — | — | — | — | — | +58 | — | 37.5% | -1.00 | 1–1 | 0–1 | — | 0.00 |
| 1989 | 1471 | 90.9 | — | — | — | — | +22 | — | — | 25.0% | -1.88 | 0–2 | — | — | +0.70 | 1990 | 1416 | 102.3 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | +0.12 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1991 | 1399 | 93.5 | — | — | — | — | — | — | — | 0.0% | -4.50 | — | — | — | 0.00 |
| Career | 1572 | 101.9 | — | — | — | — | +31 | +35 | — | 41.2% | -0.71 | 4–4 (50%) | 1–3 (25%) | 97.8 | +12.23 | Career | 1500 | 94.8 | — | — | — | — | — | +45 | — | 20.0% | -2.17 | 2–2 (50%) | 1–1 | — | +8.57 |
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 |
|---|---|---|---|---|---|
| Jennifer Santrock | 1 | 1 | 2 | Jul 26, 1989 | H2H |
| Marie Christine Calleja | 0 | 1 | 1 | Mar 21, 1989 | H2H |
| Lea Antonoplis | 0 | 1 | 1 | Jan 18, 1989 | H2H |
| Helen Kelesi | 0 | 1 | 1 | Aug 31, 1988 | H2H |
| Sandy Collins | 0 | 1 | 1 | Aug 10, 1988 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Halle Cioffi | 0 | 1 | 1 | May 15, 1991 | H2H |
| Neus Avila Bonastre | 0 | 1 | 1 | Apr 24, 1991 | H2H |
| Helen Kelesi | 0 | 1 | 1 | May 16, 1990 | H2H |
| Tracey Morton Rodgers | 0 | 1 | 1 | May 2, 1990 | H2H |
| Neige Dias | 0 | 1 | 1 | May 17, 1989 | H2H |