H2H data updated: 2026-07-18 14:16 UTC
Thomaz Koch vs Owen Davidson H2H: 1-0
Thomaz Koch holds a 1–0 lead over Owen Davidson in their ATP head-to-head. Across 1 main-draw meeting, Thomaz Koch leads 1–0 on grass. Most recently, Thomaz Koch won the 1974 US Open second round 6-3 7-6 7-5.
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BRA
Age 81
Left-Handed
H2H
1
–
0
1 main draw meetings
AUS
Left-Handed
185 cm / 6'1"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 1974* | US Open | Grand Slam | R64 | Grass | Thomaz Koch | 6-3 7-6 7-5 | Owen Davidson | 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 |
| Owen Davidson | #662 | #73 | 0 | 1,816 | 89 | 111 | 44.5% | 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 | Owen Davidson | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | 1968 | 29–17 | 63.0% | — | 1,677 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 1969 | 34–18 | 65.4% | — | 1,799 | 0 | 4 | 1968 | 8–6 | 57.1% | — | 1,539 | 0 | 0 |
| 25 | 1970 | 18–15 | 54.5% | — | 1,786 | 0 | 4 | 1969 | 14–12 | 53.8% | — | 1,653 | 0 | 0 |
| 26 | 1971 | 24–13 | 64.9% | — | 1,717 | 0 | 5 | 1970 | 23–24 | 48.9% | — | 1,661 | 0 | 0 |
| 27 | 1972 | 19–16 | 54.3% | — | 1,717 | 0 | 6 | 1971 | 21–29 | 42.0% | — | 1,691 | 0 | 0 |
| 28 | 1973 | 5–6 | 45.5% | #204 | 1,704 | 0 | 6 | 1972 | 2–12 | 14.3% | — | 1,625 | 0 | 0 |
| 29 | 1974 | 22–12 | 64.7% | #24 | 1,861 | 0 | 6 | 1973 | 15–12 | 55.6% | #147 | 1,665 | 0 | 0 |
| 30 | 1975 | 20–22 | 47.6% | #62 | 1,743 | 0 | 6 | 1974 | 5–13 | 27.8% | #111 | 1,628 | 0 | 0 |
| 31 | 1976 | 15–8 | 65.2% | #58 | 1,803 | 0 | 6 | 1975 | 1–1 | 50.0% | #252 | 1,630 | 0 | 0 |
| 32 | 1977 | 1–6 | 14.3% | #263 | 1,706 | 0 | 6 | 1976 | 0–1 | 0.0% | #360 | 1,628 | 0 | 0 |
| 34 | 1979 | 4–7 | 36.4% | #85 | 1,658 | 0 | 6 | — | — | — | — | — | — | — |
| 35 | 1980 | 7–9 | 43.8% | #49 | 1,651 | 0 | 6 | 1979 | 0–1 | 0.0% | #662 | 1,618 | 0 | 0 |
| 36 | 1981 | 0–2 | 0.0% | #90 | 1,627 | 0 | 6 | — | — | — | — | — | — | — |
| 37 | 1982 | 1–5 | 16.7% | #240 | 1,592 | 0 | 6 | — | — | — | — | — | — | — |
| 38 | 1983 | 1–1 | 50.0% | #185 | 1,583 | 0 | 6 | — | — | — | — | — | — | — |