H2H data updated: 2026-07-20 02:15 UTC

Tony Giammalva vs Tom Okker H2H: 1-0

Tony Giammalva holds a 1–0 lead over Tom Okker in their ATP head-to-head. Across 1 main-draw meeting, Tony Giammalva leads 1–0 on hard courts. Most recently, Tony Giammalva won the 1980 US Open first round 6-2 7-6 6-3.

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"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Aug 28, 1980* US Open Grand Slam R128 Hard Tony Giammalva #59 6-2 7-6 6-3 Tom Okker #90 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
Tony Giammalva #692 #54 0 1,733 54 78 40.9% 0 0 0 0 0 0
Tom Okker #438 #3 0 2,198 672 279 70.7% 0 2 0 0 35 37

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 Tony Giammalva Tom Okker
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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