H2H data updated: 2026-07-17 14:15 UTC

Thomaz Koch vs Jim Osborne H2H: 4-2

Thomaz Koch holds a 4–2 lead over Jim Osborne in their ATP head-to-head. Across 6 main-draw meetings, Thomaz Koch leads 3–1 on hard courts and 1–0 on carpet. Most recently, Thomaz Koch won the 1973 San Juan round-robin match 7-6 6-3.

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Thomaz Koch
BRA Age 81 Left-Handed
H2H
4 – 2
6 main draw meetings
Jim Osborne
USA Age 81 Right-Handed 185 cm / 6'1"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Mar 5, 1973 San Juan ATP 250 RR Hard Thomaz Koch 7-6 6-3 Jim Osborne Match data
Sep 5, 1972* South Orange ATP 250 R16 Hard Thomaz Koch 7-6 6-3 Jim Osborne Match data
Sep 5, 1971* US Open Grand Slam R64 Grass Jim Osborne 6-3 1-6 6-4 6-3 Thomaz Koch Match data
Jan 31, 1971* Omaha ATP 250 R16 Carpet Thomaz Koch 6-2 6-4 Jim Osborne Match data
Feb 2, 1970* Omaha ATP 250 SF Hard Jim Osborne 8-6 6-2 Thomaz Koch Match data
Oct 3, 1969* Berkeley ATP 250 R16 Hard Thomaz Koch 6-4 6-4 Jim Osborne 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
Thomaz Koch #857 #24 0 1,873 200 157 56.0% 0 0 0 0 6 6
Jim Osborne #831 #211 0 1,817 118 121 49.4% 0 0 0 0 0 0

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 Thomaz Koch Jim Osborne
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
23 1968 29–17 63.0% — 1,677 0 1 1968 35–24 59.3% — 1,635 0 0
24 1969 34–18 65.4% — 1,799 0 4 1969 29–17 63.0% — 1,745 0 0
25 1970 18–15 54.5% — 1,786 0 4 1970 26–29 47.3% — 1,665 0 0
26 1971 24–13 64.9% — 1,717 0 5 1971 15–19 44.1% — 1,699 0 0
27 1972 19–16 54.3% — 1,717 0 6 1972 8–20 28.6% — 1,517 0 0
28 1973 5–6 45.5% #204 1,704 0 6 1973 0–4 0.0% — 1,494 0 0
29 1974 22–12 64.7% #24 1,861 0 6 1974 3–2 60.0% #228 1,548 0 0
30 1975 20–22 47.6% #62 1,743 0 6 1975 0–1 0.0% #308 1,544 0 0
31 1976 15–8 65.2% #58 1,803 0 6 1976 2–2 50.0% #211 1,571 0 0
32 1977 1–6 14.3% #263 1,706 0 6 — — — — — — —
33 — — — — — — — 1978 0–1 0.0% #465 1,569 0 0
34 1979 4–7 36.4% #85 1,658 0 6 — — — — — — —
35 1980 7–9 43.8% #49 1,651 0 6 — — — — — — —
36 1981 0–2 0.0% #90 1,627 0 6 1981 0–1 0.0% — 1,551 0 0
37 1982 1–5 16.7% #240 1,592 0 6 1982 0–1 0.0% — 1,538 0 0
38 1983 1–1 50.0% #185 1,583 0 6 — — — — — — —