Christina Singer
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Irina Spirlea | 2 | 2 | 4 | Mar 23, 1996 | H2H |
| Petra Begerow | 0 | 2 | 2 | Aug 7, 1996 | H2H |
| Rika Hiraki | 1 | 1 | 2 | Jun 26, 1996 | H2H |
| Miriam Oremans | 1 | 1 | 2 | Jun 15, 1996 | H2H |
| Rennae Stubbs | 2 | 0 | 2 | Jun 12, 1996 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Christina Singer vs Petra Kamstra H2H: 1-0
Christina Singer holds a 1–0 lead over Petra Kamstra in their WTA head-to-head. Across 1 main-draw meeting, Christina Singer leads 1–0 on carpet. Most recently, Christina Singer won the 1994 Linz Open round of 32 7-5 5-7 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.
H2H
1
–
0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Christina Singer | 7-5 5-7 6-4 | Petra Kamstra | Match data | Feb 10, 1994* | R32 | Linz Open | Tier III → modern equivalent WTA 250 | Carpet |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Christina Singer | #892 | #41 | 163 | 1,738 | 56 | 86 | 39.4% | 0 | 0 | 0 | 0 | 0 | 0 |
| Petra Kamstra | #425 | #70 | 90 | 1,585 | 21 | 36 | 36.8% | 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.
| Age | Christina Singer | Petra Kamstra | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 1990 | 0–1 | 0.0% | #198 | 1,485 | 0 | 0 |
| 17 | 1986 | 1–1 | 50.0% | #163 | 1,506 | 0 | 0 | 1991 | 6–8 | 42.9% | #128 | 1,531 | 0 | 0 |
| 18 | 1987 | 7–8 | 46.7% | #85 | 1,557 | 0 | 0 | 1992 | 0–4 | 0.0% | #280 | 1,482 | 0 | 0 |
| 19 | 1988 | 4–12 | 25.0% | #160 | 1,487 | 0 | 0 | 1993 | 0–1 | 0.0% | #178 | 1,478 | 0 | 0 |
| 20 | 1989 | 1–4 | 20.0% | #264 | 1,448 | 0 | 0 | 1994 | 4–9 | 30.8% | #158 | 1,476 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 1995 | 7–5 | 58.3% | #76 | 1,576 | 0 | 0 |
| 22 | 1991 | 0–1 | 0.0% | #199 | 1,434 | 0 | 0 | 1996 | 4–8 | 33.3% | #203 | 1,567 | 0 | 0 |
| 24 | 1993 | 10–13 | 43.5% | #80 | 1,564 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1994 | 10–15 | 40.0% | #77 | 1,615 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 1995 | 17–16 | 51.5% | #54 | 1,708 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 1996 | 6–15 | 28.6% | #136 | 1,581 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 1997 | 0–1 | 0.0% | #504 | 1,568 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Age
Seasons are aligned by the age each player spent most of that calendar year. 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.
| Age | Christina Singer | Petra Kamstra | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1990 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 17 | 1986 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 1991 | 6 | 6 | 12 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | 1987 | 1 | 1 | 2 | 50.0% | 3 | 5 | 8 | 37.5% | 1 | 1 | 2 | 50.0% | 2 | 1 | 3 | 66.7% | 1992 | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 19 | 1988 | 1 | 6 | 7 | 14.3% | 1 | 4 | 5 | 20.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | 1993 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1989 | 1 | 1 | 2 | 50.0% | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | 1994 | 3 | 6 | 9 | 33.3% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1995 | 3 | 3 | 6 | 50.0% | — | — | — | — | 4 | 2 | 6 | 66.7% | — | — | — | — |
| 22 | 1991 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1996 | 0 | 2 | 2 | 0.0% | 2 | 3 | 5 | 40.0% | 2 | 3 | 5 | 40.0% | — | — | — | — |
| 24 | 1993 | 5 | 6 | 11 | 45.5% | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 1994 | 6 | 7 | 13 | 46.2% | 0 | 3 | 3 | 0.0% | 2 | 3 | 5 | 40.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 1995 | 7 | 8 | 15 | 46.7% | 1 | 2 | 3 | 33.3% | 8 | 3 | 11 | 72.7% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 1996 | 3 | 8 | 11 | 27.3% | 0 | 2 | 2 | 0.0% | 3 | 3 | 6 | 50.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 1997 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 24 | 37 | 61 | 39.3% | 7 | 24 | 31 | 22.6% | 16 | 13 | 29 | 55.2% | 9 | 12 | 21 | 42.9% | — | 12 | 21 | 33 | 36.4% | 2 | 6 | 8 | 25.0% | 7 | 7 | 14 | 50.0% | 0 | 2 | 2 | 0.0% |
Advanced Statistics Comparison by Age
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 | Christina Singer | Petra Kamstra | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1990 | 1486 | 99.4 | — | — | — | — | — | — | — | 33.3% | -1.33 | 0–1 | 1–0 | — | +0.05 |
| 17 | 1986 | 1507 | 99.7 | — | — | — | — | — | — | — | 40.0% | -1.20 | 1–0 | — | — | +0.24 | 1991 | 1532 | 112.2 | — | — | — | — | +51 | — | — | 46.2% | -0.38 | 2–0 | 1–0 | — | +0.26 |
| 18 | 1987 | 1558 | 114.7 | — | — | — | — | +60 | -20 | — | 42.4% | -0.33 | 3–0 (100%) | 2–3 (40%) | 104.0 | +1.17 | 1992 | 1482 | 94.9 | — | — | — | — | +42 | — | — | 11.1% | -2.89 | 0–1 | — | — | +0.35 |
| 19 | 1988 | 1488 | 107.6 | — | — | — | — | +35 | 0 | +99 | 28.6% | -1.37 | 1–2 (33%) | 0–2 | — | +1.48 | 1993 | 1479 | 106.2 | — | — | — | — | — | — | — | 0.0% | -1.50 | — | 0–1 | — | -0.11 |
| 20 | 1989 | 1449 | 92.5 | — | — | — | — | — | -4 | — | 18.2% | -2.36 | 1–0 | 0–1 | — | +0.84 | 1994 | 1477 | 112.2 | — | — | — | — | +24 | — | — | 35.5% | -1.10 | 2–3 (40%) | 1–1 | — | +0.20 |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1995 | 1577 | 124.1 | — | — | — | — | -50 | — | +68 | 55.6% | +0.70 | 2–1 (67%) | 2–1 (67%) | 103.4 | +0.11 |
| 22 | 1991 | 1435 | 95.3 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +0.15 | 1996 | 1567 | 112.2 | — | — | — | — | — | -43 | +134 | 44.0% | -0.48 | 0–3 (0%) | 1–1 | — | +0.39 |
| 24 | 1993 | 1564 | 129.1 | — | — | — | — | +59 | -131 | — | 44.0% | -0.56 | 2–2 (50%) | 5–2 (71%) | 103.0 | +0.51 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 1994 | 1616 | 129.7 | — | — | — | — | +55 | -196 | -15 | 40.0% | -0.82 | 6–4 (60%) | 0–2 | — | +0.29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 1995 | 1709 | 128.0 | — | — | — | — | -57 | -277 | +23 | 50.0% | -0.33 | 4–2 (67%) | 3–1 (75%) | 104.9 | -0.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 1996 | 1582 | 110.5 | — | — | — | — | -22 | — | +191 | 34.0% | -1.20 | 3–5 (38%) | 1–0 | — | +0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 1997 | 1568 | 100.8 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | 0–1 | — | +0.14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1738 | 124.4 | — | — | — | — | +15 | -81 | +66 | 39.7% | -0.82 | 21–15 (58%) | 11–12 (48%) | 105.4 | +3.04 | — | 1585 | 117.9 | — | — | — | — | +23 | -43 | +98 | 41.5% | -0.57 | 6–9 (40%) | 6–4 (60%) | 101.5 | +2.23 |
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.
Petra Kamstra
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Judith Wiesner | 0 | 2 | 2 | Jun 21, 1996 | H2H |
| Brenda Schultz-Mccarthy | 0 | 2 | 2 | Jun 13, 1996 | H2H |
| Laura Golarsa | 2 | 0 | 2 | Jun 12, 1996 | H2H |
| Ann Grossman | 1 | 1 | 2 | Apr 12, 1996 | H2H |
| Naoko Sawamatsu | 1 | 1 | 2 | Jul 2, 1995 | H2H |