Jan Kallquist
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Henri Leconte | 0 | 1 | 1 | Nov 3, 1982 | H2H |
| Ulf Eriksson | 0 | 1 | 1 | Nov 7, 1980 | H2H |
| Mats Wilander | 0 | 1 | 1 | Jul 17, 1980 | H2H |
| Tomas Smid | 0 | 1 | 1 | Nov 7, 1979 | H2H |
| Stan Smith | 0 | 1 | 1 | Sep 20, 1979 | H2H |
H2H data updated: 2026-09-02 00:00 UTC
Jan Kallquist vs Ulf Eriksson H2H: 0-1
Ulf Eriksson holds a 1–0 lead over Jan Kallquist in their ATP head-to-head. Across 1 main-draw meeting, Ulf Eriksson leads 1–0 on carpet. Most recently, Ulf Eriksson won the 1980 Stockholm Open round of 32 6-4 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 Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Ulf Eriksson | 6-4 5-7 6-4 | Jan Kallquist | Match data | Nov 7, 1980* | R32 | Stockholm Open | ATP 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Kallquist | #743 | #177 | 0 | 1,500 | 0 | 13 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Ulf Eriksson | #292 | #189 | 0 | 1,507 | 9 | 19 | 32.1% | 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.
| Jan Kallquist | Ulf Eriksson | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1974 | 0–1 | 0.0% | #318 | 1,485 | 0 | 0 | 1974 | 0–2 | 0.0% | #274 | 1,477 | 0 | 0 |
| 1975 | 0–2 | 0.0% | #264 | 1,478 | 0 | 0 | 1975 | 0–1 | 0.0% | #373 | 1,462 | 0 | 0 |
| 1976 | 0–1 | 0.0% | #360 | 1,467 | 0 | 0 | 1976 | 1–3 | 25.0% | #225 | 1,444 | 0 | 0 |
| 1977 | 0–2 | 0.0% | #300 | 1,434 | 0 | 0 | 1977 | 2–3 | 40.0% | #240 | 1,457 | 0 | 0 |
| 1978 | 0–2 | 0.0% | #465 | 1,429 | 0 | 0 | 1978 | 2–3 | 40.0% | #294 | 1,483 | 0 | 0 |
| 1979 | 0–2 | 0.0% | #177 | 1,425 | 0 | 0 | 1979 | 3–6 | 33.3% | #189 | 1,492 | 0 | 0 |
| 1980 | 0–2 | 0.0% | #365 | 1,400 | 0 | 0 | 1980 | 1–1 | 50.0% | #292 | 1,497 | 0 | 0 |
| 1982 | 0–1 | 0.0% | — | 1,396 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Career Season
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.
| Jan Kallquist | Ulf Eriksson | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 1974 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1974 | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1975 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1975 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1976 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1976 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1977 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1977 | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1978 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1 | 1 | 2 | 50.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 1979 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 1979 | 1 | 2 | 3 | 33.3% | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1980 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 1980 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 1982 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 0 | 7 | 7 | 0.0% | 0 | 4 | 4 | 0.0% | — | — | — | — | 0 | 2 | 2 | 0.0% | Career | 4 | 6 | 10 | 40.0% | 4 | 8 | 12 | 33.3% | 0 | 3 | 3 | 0.0% | 1 | 2 | 3 | 33.3% |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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.
| Jan Kallquist | Ulf Eriksson | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1974 | 1486 | 92.7 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.13 | 1974 | 1477 | 99.9 | — | — | — | — | — | — | — | 0.0% | -2.25 | — | — | — | +0.06 |
| 1975 | 1479 | 108.7 | — | — | — | — | — | — | — | 0.0% | -2.75 | — | — | — | -0.27 | 1975 | 1462 | 95.7 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.21 |
| 1976 | 1467 | 97.1 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.08 | 1976 | 1444 | 101.2 | — | — | — | — | — | — | — | 20.0% | -1.80 | 1–0 | 0–1 | — | +0.45 |
| 1977 | 1434 | 96.8 | — | — | — | — | — | — | — | 20.0% | -0.60 | 0–1 | 0–1 | — | +0.59 | 1977 | 1458 | 99.8 | — | — | — | — | +93 | — | — | 38.5% | -1.31 | 2–1 (67%) | 0–1 | — | +0.56 |
| 1978 | 1429 | 108.5 | — | — | — | — | — | — | — | 20.0% | -2.40 | 0–1 | — | — | -0.18 | 1978 | 1484 | 112.8 | — | — | — | — | — | +28 | — | 45.5% | -0.73 | 0–1 | 2–1 (67%) | — | +0.05 |
| 1979 | 1425 | 107.5 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.21 | 1979 | 1492 | 115.6 | — | — | — | — | +79 | +12 | — | 33.3% | -0.52 | 1–1 | 0–2 | — | +0.39 |
| 1980 | 1400 | 98.3 | — | — | — | — | — | — | — | 20.0% | -1.20 | 0–1 | — | — | +0.42 | 1980 | 1497 | 99.6 | — | — | — | — | — | — | — | 40.0% | -0.80 | 1–0 | — | — | +0.48 |
| 1982 | 1396 | 99.2 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | -0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 103.5 | — | — | — | — | — | — | — | 10.3% | -2.48 | 0–3 (0%) | 0–1 | — | +4.15 | Career | 1508 | 109.4 | — | — | — | — | +86 | +18 | — | 31.8% | -1.14 | 5–3 (63%) | 2–5 (29%) | 100.8 | +7.86 |
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.
Ulf Eriksson
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Wojtek Fibak | 0 | 4 | 4 | Oct 25, 1979 | H2H |
| Per Hjertquist | 0 | 1 | 1 | Nov 8, 1980 | H2H |
| Jan Kallquist | 1 | 0 | 1 | Nov 7, 1980 | H2H |
| Steve Docherty | 0 | 1 | 1 | Nov 8, 1979 | H2H |
| Peter Feigl | 1 | 0 | 1 | Nov 7, 1979 | H2H |