H2H data updated: 2026-07-19 08:25 UTC
Mona Guerrant vs Helga Masthoff H2H: 0-1
Helga Masthoff holds a 1–0 lead over Mona Guerrant in their WTA head-to-head. Across 1 main-draw meeting, Helga Masthoff leads 1–0 on clay. Most recently, Helga Masthoff won the 1974 St. Petersburg third round 6-1 6-2.
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USA
Age 77
Right-Handed
H2H
0
–
1
1 main draw meetings
FRG
Age 84
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 18, 1974* | St. Petersburg | WTA 500 | R32 | Clay | Helga Masthoff | 6-1 6-2 | Mona Guerrant | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mona Guerrant | — | — | — | 1,939 | 123 | 117 | 51.2% | 0 | 0 | 0 | 0 | 3 | 3 |
| Helga Masthoff | — | — | — | 2,084 | 373 | 111 | 77.1% | 0 | 2 | 0 | 4 | 43 | 49 |
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 | Mona Guerrant | Helga Masthoff | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 1969 | 1–1 | 50.0% | — | 1,500 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1970 | 2–3 | 40.0% | — | 1,508 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1971 | 3–8 | 27.3% | — | 1,521 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1972 | 28–22 | 56.0% | — | 1,735 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 1973 | 17–19 | 47.2% | — | 1,780 | 0 | 2 | — | — | — | — | — | — | — |
| 25 | 1974 | 12–14 | 46.2% | — | 1,767 | 0 | 2 | — | — | — | — | — | — | — |
| 26 | 1975 | 12–12 | 50.0% | — | 1,897 | 0 | 2 | 1968 | 26–12 | 68.4% | — | 1,716 | 0 | 3 |
| 27 | 1976 | 15–14 | 51.7% | — | 1,893 | 0 | 2 | 1969 | 42–13 | 76.4% | — | 1,895 | 0 | 11 |
| 28 | 1977 | 14–9 | 60.9% | — | 1,886 | 0 | 2 | 1970 | 50–11 | 82.0% | — | 2,046 | 0 | 16 |
| 29 | 1978 | 5–11 | 31.2% | — | 1,804 | 0 | 2 | 1971 | 38–9 | 80.9% | — | 2,053 | 0 | 23 |
| 30 | — | — | — | — | — | — | — | 1972 | 28–11 | 71.8% | — | 2,007 | 0 | 27 |
| 31 | 1980 | 14–4 | 77.8% | — | 1,809 | 0 | 3 | 1973 | 36–13 | 73.5% | — | 2,028 | 0 | 29 |
| 32 | — | — | — | — | — | — | — | 1974 | 27–9 | 75.0% | — | 2,013 | 0 | 32 |
| 33 | — | — | — | — | — | — | — | 1975 | 25–8 | 75.8% | — | 1,972 | 0 | 36 |
| 34 | — | — | — | — | — | — | — | 1976 | 34–8 | 81.0% | — | 1,940 | 0 | 41 |
| 35 | — | — | — | — | — | — | — | 1977 | 18–4 | 81.8% | — | 1,934 | 0 | 44 |
| 36 | — | — | — | — | — | — | — | 1978 | 13–5 | 72.2% | — | 1,894 | 0 | 44 |
| 37 | — | — | — | — | — | — | — | 1979 | 10–1 | 90.9% | — | 1,929 | 0 | 47 |
| 38 | — | — | — | — | — | — | — | 1980 | 26–7 | 78.8% | — | 1,873 | 0 | 49 |