H2H data updated: 2026-09-12 00:00 UTC
Regina Just holds a 1–0 lead over Monica Simmen in their WTA head-to-head. Across 1 main-draw meeting, Regina Just leads 1–0 on clay. Most recently, Regina Just won the 1980 Geneva round of 16 6-2 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.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Regina Just | 6-2 6-3 | Monica Simmen | Match data | Jul 26, 1980* | R16 | Geneva | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monica Simmen | — | — | — | 1,547 | 11 | 18 | 37.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Regina Just | — | — | — | 1,530 | 2 | 2 | 50.0% | 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.
| Monica Simmen | Regina Just | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1976 | 0–1 | 0.0% | — | 1,494 | 0 | 0 | 1980 | 2–1 | 66.7% | — | 1,517 | 0 | 0 |
| 1977 | 3–2 | 60.0% | — | 1,533 | 0 | 0 | 1981 | 0–1 | 0.0% | — | 1,495 | 0 | 0 |
| 1978 | 1–5 | 16.7% | — | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 1–1 | 50.0% | — | 1,483 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 2–3 | 40.0% | — | 1,487 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 4–6 | 40.0% | — | 1,476 | 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.
| Monica Simmen | Regina Just | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Clay | Grass | Carpet | Yr | 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 % | ||
| 1976 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1980 | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — |
| 1977 | — | — | — | — | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1979 | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1 | 2 | 3 | 33.3% | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 2 | 8 | 10 | 20.0% | 0 | 2 | 2 | 0.0% | 6 | 5 | 11 | 54.5% | Career | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — |
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.
| Monica Simmen | Regina Just | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1976 | 1494 | 98.7 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.01 | 1980 | 1517 | 103.7 | — | — | — | — | — | +29 | — | 62.5% | +0.37 | 1–1 | — | — | +0.37 |
| 1977 | 1534 | 102.3 | — | — | — | — | +85 | — | — | 53.8% | +0.08 | 2–1 (67%) | 1–2 (33%) | 100.8 | +1.20 | 1981 | 1496 | 90.6 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.17 |
| 1978 | 1483 | 93.6 | — | — | — | — | — | — | — | 16.7% | -2.67 | — | — | — | +0.76 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1979 | 1483 | 95.1 | — | — | — | — | — | — | — | 50.0% | -1.00 | — | — | — | +0.77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1488 | 106.9 | — | — | — | — | — | -4 | — | 45.5% | 0.00 | 0–1 | — | — | +0.72 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1477 | 102.8 | — | — | — | — | — | -8 | — | 43.5% | -0.35 | 1–2 (33%) | 2–0 | — | +0.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1548 | 100.4 | — | — | — | — | +85 | -7 | — | 40.0% | -0.82 | 3–4 (43%) | 3–2 (60%) | 100.1 | +13.07 | Career | 1531 | 97.7 | — | — | — | — | — | +29 | — | 50.0% | -0.70 | 1–1 | — | — | +13.50 |
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 |
|---|---|---|---|---|---|
| Marcela Skuherska | 0 | 2 | 2 | Apr 20, 1981 | H2H |
| Kerstin Seelbach | 2 | 0 | 2 | Mar 14, 1980 | H2H |
| Monique Van Haver | 1 | 1 | 2 | Apr 7, 1978 | H2H |
| Nina Bohm | 0 | 1 | 1 | Apr 20, 1981 | H2H |
| Barbara Rossi | 0 | 1 | 1 | Apr 20, 1981 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Debbie Chesterton | 0 | 1 | 1 | Jul 16, 1981 | H2H |
| Viviana Gonzalez | 0 | 1 | 1 | Jul 27, 1980 | H2H |
| Monica Simmen | 1 | 0 | 1 | Jul 26, 1980 | H2H |
| Sanda Lopez | 1 | 0 | 1 | Jul 25, 1980 | H2H |