H2H data updated: 2026-07-14 02:15 UTC
T. Giammalva vs T. Okker H2H: 1-0
Compare the head-to-head record, career totals, season-by-season performance, and match log for T. Giammalva vs T. Okker.
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USA
Age 68
Right-Handed
190 cm / 6'3"
H2H
1
–
0
1 main draw meetings
NED
Age 82
Right-Handed
177 cm / 5'10"
Career Comparison
| Metric | T. Giammalva | T. Okker |
|---|---|---|
| Peak Ranking | #54 | #3 |
| Peak Points | 0 | 0 |
| Peak Elo | 1,733 | 2,198 |
| Singles W-L | 54–78 | 672–279 |
| Win % | 40.9% | 70.7% |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 0 | 2 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 0 | 35 |
| Total titles | 0 | 37 |
| Age | T. Giammalva | T. Okker | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1976 | 0–1 | 0.0% | #310 | 1,478 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1977 | 1–3 | 25.0% | #287 | 1,480 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1978 | 0–1 | 0.0% | #200 | 1,480 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1980 | 13–12 | 52.0% | #71 | 1,602 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1981 | 17–21 | 44.7% | #78 | 1,679 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1982 | 10–16 | 38.5% | #81 | 1,645 | 0 | 0 | 1968 | 89–23 | 79.5% | — | 1,796 | 0 | 7 |
| 25 | 1983 | 7–11 | 38.9% | #177 | 1,612 | 0 | 0 | 1969 | 86–25 | 77.5% | — | 2,009 | 0 | 15 |
| 26 | 1984 | 6–11 | 35.3% | #119 | 1,588 | 0 | 0 | 1970 | 59–27 | 68.6% | — | 1,948 | 0 | 20 |
| 27 | 1985 | 0–2 | 0.0% | #691 | 1,566 | 0 | 0 | 1971 | 74–31 | 70.5% | — | 2,007 | 0 | 22 |
| 28 | — | — | — | — | — | — | — | 1972 | 69–31 | 69.0% | — | 2,041 | 0 | 23 |
| 29 | — | — | — | — | — | — | — | 1973 | 91–23 | 79.8% | #4 | 2,166 | 0 | 30 |
| 30 | — | — | — | — | — | — | — | 1974 | 65–19 | 77.4% | #6 | 2,061 | 0 | 33 |
| 31 | — | — | — | — | — | — | — | 1975 | 39–13 | 75.0% | #11 | 2,068 | 0 | 35 |
| 32 | — | — | — | — | — | — | — | 1976 | 33–18 | 64.7% | #23 | 1,956 | 0 | 35 |
| 33 | — | — | — | — | — | — | — | 1977 | 15–13 | 53.6% | #31 | 1,931 | 0 | 36 |
| 34 | — | — | — | — | — | — | — | 1978 | 20–20 | 50.0% | #50 | 1,879 | 0 | 36 |
| 35 | — | — | — | — | — | — | — | 1979 | 20–18 | 52.6% | #56 | 1,772 | 0 | 37 |
| 36 | — | — | — | — | — | — | — | 1980 | 11–13 | 45.8% | #107 | 1,715 | 0 | 37 |
| 37 | — | — | — | — | — | — | — | 1981 | 1–5 | 16.7% | #107 | 1,651 | 0 | 37 |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 1980* | US Open | Grand Slam | R128 | Hard | T. Giammalva #59 | 6-2 7-6 6-3 | T. Okker #90 | Match data |