H2H data updated: 2026-09-13 00:00 UTC

Helga Masthoff vs Ilana Kloss H2H: 1-0

Helga Masthoff holds a 1–0 lead over Ilana Kloss in their WTA head-to-head. Across 1 main-draw meeting, Helga Masthoff leads 1–0 on clay. Most recently, Helga Masthoff won the 1976 Indianapolis round of 16 6-1 6-2.

FRG Age 84 Right-Handed
H2H
1 0
1 main-draw meetings
RSA Age 70 Left-Handed 164 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Helga Masthoff 6-1 6-2 Ilana Kloss Match data Aug 13, 1976* R16 Indianapolis 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
Helga Masthoff 2,113 391 115 77.3% 0 0 0 4 46 50
Ilana Kloss 1,890 135 144 48.4% 0 0 0 0 8 8

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 Helga Masthoff Ilana Kloss
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1970 0–1 0.0% 1,491 0 0
15 1971 5–4 55.6% 1,561 0 1
16 1972 13–12 52.0% 1,592 0 3
17 1973 38–18 67.9% 1,872 0 8
18 1974 19–16 54.3% 1,801 0 8
19 1975 9–20 31.0% 1,688 0 8
20 1976 18–15 54.5% 1,784 0 8
21 1977 4–13 23.5% 1,667 0 8
22 1978 14–11 56.0% 1,740 0 8
23 1979 15–26 36.6% 1,698 0 8
24 1980 0–7 0.0% 1,618 0 8
26 1968 29–13 69.0% 1,730 0 1 1982 0–1 0.0% 1,599 0 8
27 1969 45–13 77.6% 1,906 0 10
28 1970 53–12 81.5% 2,047 0 15
29 1971 42–9 82.4% 2,084 0 23
30 1972 29–12 70.7% 2,023 0 27
31 1973 40–13 75.5% 2,087 0 30
32 1974 27–10 73.0% 2,019 0 33
33 1975 25–8 75.8% 1,998 0 37
34 1976 34–8 81.0% 1,950 0 42
35 1977 18–4 81.8% 1,941 0 45
36 1978 13–5 72.2% 1,895 0 45
37 1979 10–1 90.9% 1,930 0 48
38 1980 26–7 78.8% 1,873 0 50

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Helga Masthoff Ilana Kloss
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
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 %
14 1970 0 1 1 0.0%
15 1971 5 4 9 55.6%
16 1972 8 7 15 53.3% 0 1 1 0.0% 3 4 7 42.9%
17 1973 15 6 21 71.4% 14 7 21 66.7% 9 5 14 64.3%
18 1974 8 5 13 61.5% 3 4 7 42.9% 2 3 5 40.0% 2 2 4 50.0%
19 1975 1 9 10 10.0% 1 2 3 33.3% 1 2 3 33.3% 2 6 8 25.0%
20 1976 3 2 5 60.0% 9 8 17 52.9% 5 4 9 55.6% 1 1 2 50.0%
21 1977 1 1 2 50.0% 1 6 7 14.3% 2 2 4 50.0% 0 4 4 0.0%
22 1978 4 4 8 50.0% 9 4 13 69.2% 1 3 4 25.0%
23 1979 2 7 9 22.2% 1 4 5 20.0% 4 5 9 44.4% 8 10 18 44.4%
24 1980 0 1 1 0.0% 0 2 2 0.0% 0 2 2 0.0% 0 2 2 0.0%
26 1968 2 2 4 50.0% 22 7 29 75.9% 1 1 2 50.0% 4 3 7 57.1% 1982 0 1 1 0.0%
27 1969 3 3 6 50.0% 39 7 46 84.8% 0 1 1 0.0%
28 1970 45 10 55 81.8% 3 1 4 75.0% 5 1 6 83.3%
29 1971 5 2 7 71.4% 35 5 40 87.5% 2 2 4 50.0%
30 1972 28 8 36 77.8% 0 1 1 0.0% 1 3 4 25.0%
31 1973 34 10 44 77.3% 4 1 5 80.0% 2 2 4 50.0%
32 1974 24 8 32 75.0% 3 1 4 75.0% 0 1 1 0.0%
33 1975 15 6 21 71.4% 9 2 11 81.8%
34 1976 29 5 34 85.3% 5 3 8 62.5%
35 1977 13 2 15 86.7% 1 2 3 33.3% 4 0 4 100.0%
36 1978 8 3 11 72.7% 3 1 4 75.0%
37 1979 5 1 6 83.3%
38 1980 23 6 29 79.3%
Career 10 7 17 58.8% 320 78 398 80.4% 28 14 42 66.7% 19 12 31 61.3% 47 47 94 50.0% 29 34 63 46.0% 35 32 67 52.2% 14 28 42 33.3%

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 Helga Masthoff Ilana Kloss
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
14 1970 1491 97.3 0.0% -4.50 +0.01
15 1971 1562 111.3 +63 57.9% +0.26 0–1 0–1 +1.35
16 1972 1593 123.4 +46 -33 54.5% +0.64 1–4 (20%) 0–2 +3.97
17 1973 1872 144.6 -17 -132 -190 66.4% +1.36 7–9 (44%) 2–1 (67%) 101.0 +4.89
18 1974 1802 136.3 +25 -83 -116 52.2% +0.16 1–4 (20%) 2–1 (67%) 97.5 -2.52
19 1975 1688 127.3 -12 -4 -4 36.4% -0.99 2–8 (20%) 3–5 (38%) 91.8 -1.41
20 1976 1784 138.9 -88 -29 -55 50.6% +0.13 8–3 (73%) 3–2 (60%) 108.4 -3.02
21 1977 1668 111.1 -42 +4 +35 28.2% -1.69 2–3 (40%) 2–1 (67%) 99.1 -0.17
22 1978 1740 124.2 -82 +35 55.9% +0.24 4–5 (44%) 5–6 (45%) 100.3 +1.24
23 1979 1698 126.9 -30 -52 +32 36.8% -1.15 10–5 (67%) 7–2 (78%) 110.6 -0.20
24 1980 1619 104.5 -41 6.7% -3.20 0–1 0–2 -0.75
26 1968 1730 128.1 -162 +89 66.7% +1.31 7–8 (47%) -1.04 1982 1599 97.0 33.3% -2.67 0–1 +0.16
27 1969 1907 137.1 -313 +115 74.0% +1.89 8–7 (53%) -0.20
28 1970 2047 159.4 -330 +75 -427 79.6% +2.22 6–5 (55%) -5.92
29 1971 2084 146.6 -311 +124 -455 72.0% +1.78 17–3 (85%) 2–2 (50%) 105.8 -1.82
30 1972 2024 152.0 -290 +162 69.4% +1.51 4–1 (80%) 3–0 (100%) -3.25
31 1973 2088 160.2 -369 +126 -344 72.2% +1.77 8–3 (73%) 3–5 (38%) 101.3 -2.46
32 1974 2019 153.9 +99 -212 67.5% +1.24 8–2 (80%) 2–2 (50%) 102.8 -3.17
33 1975 1999 142.8 +76 -105 71.6% +1.26 7–3 (70%) 6–3 (67%) 104.5 -0.41
34 1976 1951 146.9 +125 -61 76.1% +2.14 6–2 (75%) 1–2 (33%) 99.7 +1.10
35 1977 1941 128.5 -150 +143 -91 75.5% +1.73 4–1 (80%) 3–1 (75%) 103.1 +2.07
36 1978 1895 134.2 -97 +128 68.4% +1.55 2–2 (50%) 1–0 +1.22
37 1979 1930 131.0 +128 85.7% +2.86 1–0 1–1 +0.26
38 1980 1873 133.5 +139 73.1% +1.86 7–5 (58%) 3–2 (60%) 97.5 +1.56
Career 2114 153.3 -250 +115 -205 72.9% +1.76 85–42 (67%) 25–18 (58%) 104.1 -2.42 1890 136.4 -12 -68 -48 48.8% -0.09 35–44 (44%) 24–23 (51%) 101.1 +1.28

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.