H2H data updated: 2026-09-12 00:00 UTC

Helen Amos vs Sonja Pachta H2H: 1-0

Helen Amos holds a 1–0 lead over Sonja Pachta in their WTA head-to-head. Across 1 main-draw meeting, Helen Amos leads 1–0 on clay. Most recently, Helen Amos won the 1968 Poertschach quarterfinal 6-3 6-2.

AUS Age 78 Right-Handed 183 cm / 6'0"
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Helen Amos 6-3 6-2 Sonja Pachta Match data Aug 31, 1968* QF Poertschach 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
Helen Amos 1,588 42 60 41.2% 0 0 0 0 0 0
Sonja Pachta 1,592 17 20 45.9% 0 0 0 0 2 2

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 Helen Amos Sonja Pachta
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1968 11–19 36.7% 1,484 0 0
21 1969 10–14 41.7% 1,509 0 0
22 1970 8–13 38.1% 1,534 0 0
23 1971 9–10 47.4% 1,541 0 0
24 1972 2–3 40.0% 1,548 0 0
25 1973 2–1 66.7% 1,570 0 0
27 1968 1–1 50.0% 1,495 0 0
28 1969 2–3 40.0% 1,483 0 0
29 1970 3–1 75.0% 1,539 0 1
30 1971 0–1 0.0% 1,521 0 1
31 1972 11–8 57.9% 1,592 0 2
32 1973 0–3 0.0% 1,553 0 2
34 1975 0–2 0.0% 1,519 0 2
35 1976 0–1 0.0% 1,509 0 2

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 Helen Amos Sonja Pachta
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
20 1968 1484 98.3 -16 +20 37.9% -0.95 4–2 (67%) -0.11
21 1969 1510 110.1 -30 -6 +22 46.2% -0.46 2–4 (33%) +1.11
22 1970 1534 111.0 +1 -72 +23 37.8% -0.89 2–1 (67%) +0.48
23 1971 1542 107.1 +69 -120 +33 46.5% -0.09 3–2 (60%) +3.20
24 1972 1549 108.6 -109 40.0% -0.80 +0.35
25 1973 1571 103.3 +69 57.1% 0.00 1–0 +0.91
27 1968 1496 99.8 50.0% +0.50 +0.25
28 1969 1483 97.5 -15 30.0% -1.80 1–1 +0.02
29 1970 1540 108.5 +12 85.7% +2.43 1–0 +0.58
30 1971 1521 97.9 33.3% -2.00 0–1 +0.28
31 1972 1593 114.9 -2 -13 51.3% -0.05 5–2 (71%) 1–0 +1.59
32 1973 1553 94.5 0.0% -3.67 +0.13
34 1975 1520 91.8 0.0% -3.75 +0.46
35 1976 1509 90.1 0.0% -6.00 0.00
Career 1588 108.5 +28 -40 +24 42.3% -0.61 12–9 (57%) +6.00 1593 103.1 -2 -9 42.7% -0.75 7–4 (64%) 1–0 +10.34

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.