H2H data updated: 2026-09-13 00:00 UTC
Janet Haas holds a 1–0 lead over Susie Mehmedbasich in their WTA head-to-head. Across 1 main-draw meeting, Janet Haas leads 1–0 on clay. Most recently, Janet Haas won the 1973 Tulsa quarterfinal 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 |
|---|---|---|---|---|---|---|---|---|
| Janet Haas | 6-1 6-2 | Susie Mehmedbasich | Match data | May 26, 1973* | QF | Tulsa | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Janet Haas | — | — | — | 1,622 | 30 | 43 | 41.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| Susie Mehmedbasich | — | — | — | 1,631 | 27 | 54 | 33.3% | 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.
| Janet Haas | Susie Mehmedbasich | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1972 | 6–7 | 46.2% | — | 1,516 | 0 | 0 | 1972 | 0–2 | 0.0% | — | 1,478 | 0 | 0 |
| 1973 | 9–13 | 40.9% | — | 1,567 | 0 | 0 | 1973 | 0–4 | 0.0% | — | 1,449 | 0 | 0 |
| 1974 | 9–15 | 37.5% | — | 1,524 | 0 | 0 | 1974 | 14–12 | 53.8% | — | 1,573 | 0 | 0 |
| 1975 | 4–7 | 36.4% | — | 1,487 | 0 | 0 | 1975 | 9–20 | 31.0% | — | 1,531 | 0 | 0 |
| 1980 | 2–1 | 66.7% | — | 1,505 | 0 | 0 | 1976 | 4–15 | 21.1% | — | 1,483 | 0 | 0 |
| — | — | — | — | — | — | — | 1977 | 0–1 | 0.0% | — | 1,471 | 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.
| Janet Haas | Susie Mehmedbasich | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 1972 | — | — | — | — | 5 | 5 | 10 | 50.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 1972 | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 1973 | 0 | 1 | 1 | 0.0% | 7 | 10 | 17 | 41.2% | 2 | 2 | 4 | 50.0% | — | — | — | — | 1973 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1974 | 0 | 1 | 1 | 0.0% | 5 | 7 | 12 | 41.7% | 2 | 4 | 6 | 33.3% | 2 | 2 | 4 | 50.0% | 1974 | 6 | 5 | 11 | 54.5% | 1 | 3 | 4 | 25.0% | 2 | 1 | 3 | 66.7% | 3 | 2 | 5 | 60.0% |
| 1975 | — | — | — | — | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | — | — | — | — | 1975 | 0 | 5 | 5 | 0.0% | 1 | 5 | 6 | 16.7% | — | — | — | — | 2 | 6 | 8 | 25.0% |
| 1980 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | 1976 | 2 | 3 | 5 | 40.0% | 1 | 5 | 6 | 16.7% | 0 | 3 | 3 | 0.0% | 1 | 4 | 5 | 20.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | 0 | 2 | 2 | 0.0% | 22 | 27 | 49 | 44.9% | 5 | 9 | 14 | 35.7% | 2 | 2 | 4 | 50.0% | Career | 8 | 14 | 22 | 36.4% | 3 | 15 | 18 | 16.7% | 2 | 7 | 9 | 22.2% | 6 | 13 | 19 | 31.6% |
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.
| Janet Haas | Susie Mehmedbasich | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1972 | 1516 | 107.8 | — | — | — | — | — | +19 | +19 | 42.3% | -0.61 | 1–1 | 0–1 | — | +1.01 | 1972 | 1479 | 99.6 | — | — | — | — | — | — | — | 0.0% | -3.25 | — | — | — | +0.01 |
| 1973 | 1568 | 116.9 | — | — | — | — | — | +4 | -23 | 43.5% | -0.72 | 2–2 (50%) | 2–0 | — | +1.09 | 1973 | 1450 | 96.5 | — | — | — | — | — | — | — | 11.1% | -3.11 | 0–1 | 1–0 | — | +0.04 |
| 1974 | 1524 | 110.3 | — | — | — | — | +16 | +3 | +20 | 40.0% | -0.76 | 2–2 (50%) | — | — | +2.00 | 1974 | 1574 | 109.0 | — | — | — | — | +60 | -117 | -34 | 56.1% | -0.09 | 1–4 (20%) | 5–3 (63%) | 98.5 | +2.14 |
| 1975 | 1487 | 101.2 | — | — | — | — | — | +24 | — | 30.4% | -1.48 | 2–1 (67%) | 2–1 (67%) | 102.5 | +0.84 | 1975 | 1531 | 117.6 | — | — | — | — | +54 | -112 | — | 38.2% | -0.81 | 2–8 (20%) | 2–3 (40%) | 93.5 | -0.11 |
| 1980 | 1506 | 104.8 | — | — | — | — | — | +17 | — | 66.7% | +1.50 | — | — | — | +0.38 | 1976 | 1484 | 110.6 | — | — | — | — | +53 | -78 | +28 | 23.1% | -1.56 | 0–1 | 0–2 | — | +1.54 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1472 | 99.1 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | 0–1 | — | +0.22 |
| Career | 1622 | 112.6 | — | — | — | — | +16 | +10 | +7 | 41.1% | -0.74 | 7–6 (54%) | 4–2 (67%) | 103.4 | +7.71 | Career | 1631 | 112.4 | — | — | — | — | +56 | -101 | -3 | 38.0% | -0.93 | 3–14 (18%) | 8–9 (47%) | 90.8 | +4.74 |
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 |
|---|---|---|---|---|---|
| Jeanne Evert | 0 | 4 | 4 | Oct 16, 1975 | H2H |
| Michele Gurdal | 1 | 2 | 3 | Aug 15, 1974 | H2H |
| Jill Schwikert | 2 | 0 | 2 | Oct 15, 1975 | H2H |
| Maria Teresa Nasuelli | 0 | 2 | 2 | Mar 6, 1975 | H2H |
| Patricia Reese | 1 | 1 | 2 | Jun 16, 1974 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Lea Antonoplis | 0 | 3 | 3 | Aug 26, 1976 | H2H |
| Barbara Downs | 2 | 1 | 3 | Jul 18, 1975 | H2H |
| Kate Latham | 0 | 2 | 2 | Dec 17, 1976 | H2H |
| Renata Tomanova | 0 | 2 | 2 | Sep 4, 1976 | H2H |
| Valerie Ziegenfuss | 0 | 2 | 2 | Aug 11, 1976 | H2H |