Thomaz Koch
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Arthur Ashe | 3 | 5 | 8 | Aug 8, 1975 | H2H |
| Clark Graebner | 3 | 5 | 8 | Jun 21, 1972 | H2H |
| Manuel Orantes | 3 | 4 | 7 | Jun 28, 1974 | H2H |
| Ilie Nastase | 0 | 6 | 6 | Aug 16, 1975 | H2H |
| Cliff Richey | 3 | 3 | 6 | Jun 18, 1975 | H2H |
H2H data updated: 2026-09-01 00:00 UTC
Thomaz Koch holds a 3–1 lead over Mark Cox in their ATP head-to-head. Across 4 main-draw meetings, Thomaz Koch leads 2–0 on clay and 1–0 on carpet. Most recently, Thomaz Koch won the 1976 Argentina Open round of 16 3-6 6-4 8-6.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Thomaz Koch | 3-6 6-4 8-6 | Mark Cox | Match data | Nov 26, 1976* | R16 | Argentina Open | ATP 250 | Clay |
| Thomaz Koch | 7-6 6-4 | Mark Cox | Match data | Mar 22, 1974* | QF | Sao Paulo Wct | ATP 250 | Carpet |
| Thomaz Koch | 8-6 6-3 2-6 6-4 | Mark Cox | Match data | Mar 9, 1969* | F | Caracas | ATP 250 | Clay |
| Mark Cox | 6-0 11-9 6-3 | Thomaz Koch | Match data | Jan 18, 1968* | R16 | Durban 1 | ATP 250 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thomaz Koch | #857 | #24 | 0 | 1,880 | 199 | 157 | 55.9% | 0 | 0 | 0 | 0 | 6 | 6 |
| Mark Cox | #486 | #12 | 0 | 2,023 | 406 | 272 | 59.9% | 0 | 0 | 0 | 0 | 13 | 13 |
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 | Mark Cox | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | 1968 | 29–17 | 63.0% | — | 1,672 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 1969 | 34–18 | 65.4% | — | 1,796 | 0 | 4 | 1968 | 52–23 | 69.3% | — | 1,715 | 0 | 0 |
| 25 | 1970 | 18–15 | 54.5% | — | 1,804 | 0 | 4 | 1969 | 35–16 | 68.6% | — | 1,838 | 0 | 2 |
| 26 | 1971 | 24–13 | 64.9% | — | 1,747 | 0 | 5 | 1970 | 39–31 | 55.7% | — | 1,800 | 0 | 3 |
| 27 | 1972 | 19–17 | 52.8% | — | 1,706 | 0 | 6 | 1971 | 27–31 | 46.6% | — | 1,819 | 0 | 3 |
| 28 | 1973 | 5–6 | 45.5% | #204 | 1,698 | 0 | 6 | 1972 | 43–29 | 59.7% | — | 1,874 | 0 | 5 |
| 29 | 1974 | 22–12 | 64.7% | #24 | 1,863 | 0 | 6 | 1973 | 56–28 | 66.7% | #22 | 1,894 | 0 | 8 |
| 30 | 1975 | 19–21 | 47.5% | #62 | 1,768 | 0 | 6 | 1974 | 24–16 | 60.0% | #30 | 1,833 | 0 | 8 |
| 31 | 1976 | 15–8 | 65.2% | #58 | 1,815 | 0 | 6 | 1975 | 30–12 | 71.4% | #25 | 1,934 | 0 | 11 |
| 32 | 1977 | 1–6 | 14.3% | #94 | 1,715 | 0 | 6 | 1976 | 22–15 | 59.5% | #17 | 1,965 | 0 | 12 |
| 33 | — | — | — | — | — | — | — | 1977 | 35–21 | 62.5% | #26 | 1,828 | 0 | 13 |
| 34 | 1979 | 4–7 | 36.4% | #85 | 1,665 | 0 | 6 | 1978 | 15–16 | 48.4% | #68 | 1,769 | 0 | 13 |
| 35 | 1980 | 7–9 | 43.8% | #49 | 1,654 | 0 | 6 | 1979 | 17–16 | 51.5% | #76 | 1,789 | 0 | 13 |
| 36 | 1981 | 0–2 | 0.0% | #90 | 1,630 | 0 | 6 | 1980 | 11–13 | 45.8% | #140 | 1,675 | 0 | 13 |
| 37 | 1982 | 1–5 | 16.7% | — | 1,594 | 0 | 6 | 1981 | 0–5 | 0.0% | — | 1,599 | 0 | 13 |
| 38 | 1983 | 1–1 | 50.0% | #185 | 1,585 | 0 | 6 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Thomaz Koch | Mark Cox | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | |||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 23 | 1968 | 9 | 5 | 14 | 64.3% | 18 | 9 | 27 | 66.7% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 1969 | 12 | 6 | 18 | 66.7% | 12 | 3 | 15 | 80.0% | 1 | 4 | 5 | 20.0% | 9 | 5 | 14 | 64.3% | 1968 | 24 | 11 | 35 | 68.6% | 18 | 8 | 26 | 69.2% | 6 | 2 | 8 | 75.0% | 4 | 2 | 6 | 66.7% |
| 25 | 1970 | 12 | 7 | 19 | 63.2% | — | — | — | — | 1 | 2 | 3 | 33.3% | 5 | 6 | 11 | 45.5% | 1969 | 11 | 5 | 16 | 68.8% | 12 | 6 | 18 | 66.7% | 4 | 2 | 6 | 66.7% | 8 | 3 | 11 | 72.7% |
| 26 | 1971 | 6 | 4 | 10 | 60.0% | 6 | 3 | 9 | 66.7% | 5 | 3 | 8 | 62.5% | 7 | 3 | 10 | 70.0% | 1970 | 10 | 9 | 19 | 52.6% | 14 | 6 | 20 | 70.0% | 12 | 9 | 21 | 57.1% | 3 | 7 | 10 | 30.0% |
| 27 | 1972 | 4 | 5 | 9 | 44.4% | 2 | 4 | 6 | 33.3% | 7 | 3 | 10 | 70.0% | 6 | 5 | 11 | 54.5% | 1971 | 9 | 11 | 20 | 45.0% | 8 | 7 | 15 | 53.3% | 5 | 6 | 11 | 45.5% | 5 | 7 | 12 | 41.7% |
| 28 | 1973 | 4 | 4 | 8 | 50.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 1972 | 14 | 9 | 23 | 60.9% | 8 | 5 | 13 | 61.5% | 2 | 1 | 3 | 66.7% | 19 | 14 | 33 | 57.6% |
| 29 | 1974 | 4 | 2 | 6 | 66.7% | 12 | 7 | 19 | 63.2% | 3 | 2 | 5 | 60.0% | 3 | 1 | 4 | 75.0% | 1973 | 11 | 4 | 15 | 73.3% | 10 | 11 | 21 | 47.6% | 10 | 2 | 12 | 83.3% | 25 | 11 | 36 | 69.4% |
| 30 | 1975 | 1 | 4 | 5 | 20.0% | 12 | 11 | 23 | 52.2% | 0 | 2 | 2 | 0.0% | 6 | 4 | 10 | 60.0% | 1974 | 8 | 4 | 12 | 66.7% | 1 | 2 | 3 | 33.3% | 2 | 2 | 4 | 50.0% | 13 | 8 | 21 | 61.9% |
| 31 | 1976 | 3 | 1 | 4 | 75.0% | 4 | 4 | 8 | 50.0% | — | — | — | — | 8 | 3 | 11 | 72.7% | 1975 | 3 | 2 | 5 | 60.0% | 3 | 3 | 6 | 50.0% | 2 | 1 | 3 | 66.7% | 22 | 6 | 28 | 78.6% |
| 32 | 1977 | 0 | 2 | 2 | 0.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 1976 | 9 | 2 | 11 | 81.8% | 5 | 4 | 9 | 55.6% | 2 | 2 | 4 | 50.0% | 6 | 7 | 13 | 46.2% |
| 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 8 | 8 | 16 | 50.0% | 5 | 5 | 10 | 50.0% | 8 | 2 | 10 | 80.0% | 14 | 6 | 20 | 70.0% |
| 34 | 1979 | 1 | 3 | 4 | 25.0% | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | 1978 | 5 | 4 | 9 | 55.6% | 2 | 1 | 3 | 66.7% | 1 | 2 | 3 | 33.3% | 7 | 9 | 16 | 43.8% |
| 35 | 1980 | 0 | 1 | 1 | 0.0% | 3 | 4 | 7 | 42.9% | 1 | 3 | 4 | 25.0% | 3 | 1 | 4 | 75.0% | 1979 | 9 | 8 | 17 | 52.9% | 1 | 2 | 3 | 33.3% | 4 | 3 | 7 | 57.1% | 3 | 3 | 6 | 50.0% |
| 36 | 1981 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1980 | 5 | 5 | 10 | 50.0% | 2 | 3 | 5 | 40.0% | 2 | 2 | 4 | 50.0% | 2 | 3 | 5 | 40.0% |
| 37 | 1982 | — | — | — | — | 1 | 3 | 4 | 25.0% | — | — | — | — | 0 | 2 | 2 | 0.0% | 1981 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 38 | 1983 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 57 | 46 | 103 | 55.3% | 75 | 55 | 130 | 57.7% | 19 | 23 | 42 | 45.2% | 48 | 33 | 81 | 59.3% | — | 126 | 83 | 209 | 60.3% | 89 | 65 | 154 | 57.8% | 60 | 38 | 98 | 61.2% | 131 | 86 | 217 | 60.4% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Thomaz Koch | Mark Cox | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 23 | 1968 | 1672 | 129.3 | — | — | — | — | -67 | +38 | -163 | 61.0% | +1.12 | 5–9 (36%) | — | — | +0.27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 1969 | 1796 | 127.3 | — | — | — | — | +69 | +56 | -315 | 60.8% | +0.65 | 10–7 (59%) | — | — | +3.64 | 1968 | 1715 | 125.1 | — | — | — | — | +101 | -20 | -76 | 64.9% | +1.14 | 9–9 (50%) | — | — | +2.87 |
| 25 | 1970 | 1804 | 127.6 | — | — | — | — | +60 | — | — | 53.9% | +0.49 | 9–1 (90%) | 0–2 | — | +1.66 | 1969 | 1839 | 129.2 | — | — | — | — | +75 | -68 | -126 | 60.3% | +0.67 | 12–5 (71%) | — | — | +4.09 |
| 26 | 1971 | 1748 | 129.9 | — | — | — | — | +105 | +80 | -167 | 65.2% | +0.90 | 3–6 (33%) | 7–0 (100%) | — | +4.08 | 1970 | 1800 | 135.6 | — | — | — | — | -58 | +55 | +20 | 55.8% | +0.34 | 9–10 (47%) | 2–6 (25%) | — | -1.59 |
| 27 | 1972 | 1706 | 128.0 | — | — | — | — | +63 | +56 | -87 | 50.6% | +0.08 | 3–6 (33%) | 5–6 (45%) | — | +1.16 | 1971 | 1819 | 144.9 | — | — | — | — | -45 | +46 | -3 | 47.1% | -0.09 | 6–6 (50%) | 13–13 (50%) | — | -7.37 |
| 28 | 1973 | 1698 | 118.0 | — | — | — | — | +46 | — | — | 52.0% | -0.12 | 1–2 (33%) | 3–0 (100%) | — | -0.13 | 1972 | 1874 | 146.7 | — | — | — | — | -12 | +65 | -36 | 56.3% | +0.44 | 18–12 (60%) | 15–11 (58%) | — | -2.93 |
| 29 | 1974 | 1863 | 142.6 | — | — | — | — | -34 | -6 | -203 | 61.5% | +0.43 | 5–5 (50%) | 7–2 (78%) | — | -2.09 | 1973 | 1894 | 146.3 | — | — | — | — | +68 | -87 | +21 | 61.9% | +0.79 | 18–9 (67%) | 14–12 (54%) | — | -0.98 |
| 30 | 1975 | 1769 | 140.3 | — | — | — | — | +80 | +16 | — | 49.5% | +0.08 | 9–8 (53%) | 4–5 (44%) | — | -1.45 | 1974 | 1833 | 142.2 | — | — | — | — | +74 | -51 | +60 | 60.8% | +0.62 | 3–7 (30%) | 14–9 (61%) | — | -0.76 |
| 31 | 1976 | 1816 | 127.2 | — | — | — | — | +53 | -51 | — | 60.7% | +0.64 | 5–2 (71%) | 3–3 (50%) | — | +3.43 | 1975 | 1934 | 154.1 | — | — | — | — | +99 | -157 | -28 | 66.7% | +1.39 | 6–3 (67%) | 4–6 (40%) | — | -0.83 |
| 32 | 1977 | 1715 | 108.6 | — | — | — | — | +35 | — | — | 31.8% | -1.27 | 1–3 (25%) | 1–1 | — | +0.02 | 1976 | 1965 | 146.6 | — | — | — | — | +85 | -198 | -95 | 52.6% | -0.01 | 12–4 (75%) | 8–6 (57%) | — | -3.40 |
| 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1828 | 146.3 | — | — | — | — | +95 | -114 | +115 | 57.0% | +0.45 | 11–3 (79%) | 7–11 (39%) | — | -0.20 |
| 34 | 1979 | 1665 | 115.2 | — | — | — | — | +30 | +52 | — | 42.3% | -0.85 | 1–3 (25%) | 1–0 | — | +0.07 | 1978 | 1770 | 142.4 | — | — | — | — | +56 | -48 | +123 | 50.0% | +0.15 | 3–5 (38%) | 5–1 (83%) | — | -1.06 |
| 35 | 1980 | 1654 | 135.1 | — | — | — | — | +61 | +52 | -47 | 46.3% | -0.24 | 1–3 (25%) | 3–2 (60%) | — | -0.22 | 1979 | 1790 | 141.2 | — | — | — | — | +18 | -86 | +110 | 53.0% | +0.22 | 3–6 (33%) | 6–6 (50%) | — | -1.30 |
| 36 | 1981 | 1630 | 99.5 | — | — | — | — | — | — | — | 0.0% | -2.75 | — | — | — | -0.20 | 1980 | 1676 | 120.6 | — | — | — | — | +49 | -18 | +194 | 46.8% | -0.26 | 4–4 (50%) | 7–6 (54%) | — | +1.71 |
| 37 | 1982 | 1595 | 108.2 | — | — | — | — | — | +58 | — | 21.4% | -2.21 | 0–1 | 0–1 | — | -0.55 | 1981 | 1599 | 106.1 | — | — | — | — | — | — | — | 21.4% | -1.79 | 0–2 | 1–1 | — | -0.05 |
| 38 | 1983 | 1586 | 102.5 | — | — | — | — | — | — | — | 50.0% | +0.75 | — | — | — | +0.52 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1881 | 136.9 | — | — | — | — | +50 | +30 | -156 | 55.5% | +0.38 | 53–56 (49%) | 34–22 (61%) | 101.5 | +2.93 | — | 2023 | 146.1 | — | — | — | — | +46 | -36 | +21 | 57.2% | +0.50 | 114–85 (57%) | 96–88 (52%) | 101.1 | -1.75 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Arthur Ashe | 3 | 5 | 8 | Aug 8, 1975 | H2H |
| Clark Graebner | 3 | 5 | 8 | Jun 21, 1972 | H2H |
| Manuel Orantes | 3 | 4 | 7 | Jun 28, 1974 | H2H |
| Ilie Nastase | 0 | 6 | 6 | Aug 16, 1975 | H2H |
| Cliff Richey | 3 | 3 | 6 | Jun 18, 1975 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tom Okker | 6 | 11 | 17 | Oct 25, 1979 | H2H |
| Cliff Drysdale | 6 | 10 | 16 | Mar 26, 1977 | H2H |
| Stan Smith | 6 | 7 | 13 | Oct 27, 1979 | H2H |
| Marty Riessen | 4 | 9 | 13 | Mar 13, 1976 | H2H |
| Jan Kodes | 6 | 6 | 12 | Nov 26, 1977 | H2H |