Karin Boshoff
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Monica Reinach | 0 | 1 | 1 | Nov 28, 1981 | H2H |
| Helen Weiner | 0 | 1 | 1 | Dec 4, 1977 | H2H |
| Patricia Walkden | 0 | 1 | 1 | Nov 26, 1975 | H2H |
| Nancy Richey | 0 | 1 | 1 | Nov 21, 1974 | H2H |
| Susan Minford | 0 | 1 | 1 | Apr 25, 1974 | H2H |
H2H data updated: 2026-09-12 00:00 UTC
Karin Boshoff vs R J Twinn H2H: 1-0
Karin Boshoff holds a 1–0 lead over R J Twinn in their WTA head-to-head. Across 1 main-draw meeting, Karin Boshoff leads 1–0 on clay. Most recently, Karin Boshoff won the 1974 Norwich round of 64 6-1 6-3.
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 |
|---|---|---|---|---|---|---|---|---|
| Karin Boshoff | 6-1 6-3 | R J Twinn | Match data | Apr 24, 1974* | R64 | Norwich | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karin Boshoff | — | — | — | 1,500 | 1 | 10 | 9.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| R J Twinn | — | — | — | 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.
| Karin Boshoff | R J Twinn | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1970 | 0–2 | 0.0% | — | 1,491 | 0 | 0 | 1973 | 0–1 | 0.0% | — | 1,479 | 0 | 0 |
| 1971 | 0–2 | 0.0% | — | 1,483 | 0 | 0 | 1974 | 0–1 | 0.0% | — | 1,463 | 0 | 0 |
| 1974 | 1–3 | 25.0% | — | 1,470 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 0–1 | 0.0% | — | 1,467 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 0–1 | 0.0% | — | 1,451 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 0–1 | 0.0% | — | 1,437 | 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.
| Karin Boshoff | R J Twinn | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1970 | 1492 | 101.9 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | -0.41 | 1973 | 1480 | 92.2 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.19 |
| 1971 | 1483 | 96.0 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | -0.12 | 1974 | 1463 | 95.7 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.08 |
| 1974 | 1471 | 102.2 | — | — | — | — | — | — | — | 25.0% | -2.13 | — | — | — | +0.01 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1467 | 104.0 | — | — | — | — | — | — | — | 0.0% | -1.50 | — | 0–1 | — | -0.15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1452 | 95.0 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1437 | 96.8 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +0.25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 98.7 | — | — | — | — | — | — | — | 10.0% | -2.90 | — | 0–1 | — | -0.90 | Career | 1500 | 93.9 | — | — | — | — | — | — | — | 0.0% | -4.50 | — | — | — | +13.50 |
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.
R J Twinn
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Karin Boshoff | 0 | 1 | 1 | Apr 24, 1974 | H2H |
| Sannie Gouws | 0 | 1 | 1 | May 16, 1973 | H2H |