H2H data updated: 2026-07-20 14:15 UTC
Mark Cox vs Keith Diepraam H2H: 2-0
Mark Cox holds a 2–0 lead over Keith Diepraam in their ATP head-to-head. Across 2 main-draw meetings, Mark Cox leads 2–0 on grass. Most recently, Mark Cox won the 1970 Newport fourth round 6-0 6-3.
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GBR
Age 83
Left-Handed
185 cm / 6'1"
H2H
2
–
0
2 main draw meetings
RSA
Age 83
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 9, 1970* | Newport | ATP 250 | R16 | Grass | Mark Cox | 6-0 6-3 | Keith Diepraam | Match data |
| Jun 18, 1970* | Eastbourne | ATP 250 | R32 | Grass | Mark Cox | 7-5 4-6 6-2 | Keith Diepraam | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mark Cox | #486 | #12 | 0 | 2,009 | 408 | 274 | 59.8% | 0 | 0 | 0 | 0 | 15 | 15 |
| Keith Diepraam | — | — | — | 1,553 | — | — | — | 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 | Mark Cox | Keith Diepraam | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 24 | 1968 | 52–23 | 69.3% | — | 1,722 | 0 | 2 | — | — | — | — | — | — | — |
| 25 | 1969 | 35–16 | 68.6% | — | 1,836 | 0 | 4 | — | — | — | — | — | — | — |
| 26 | 1970 | 39–31 | 55.7% | — | 1,796 | 0 | 5 | — | — | — | — | — | — | — |
| 27 | 1971 | 27–31 | 46.6% | — | 1,815 | 0 | 5 | — | — | — | — | — | — | — |
| 28 | 1972 | 43–29 | 59.7% | — | 1,871 | 0 | 7 | — | — | — | — | — | — | — |
| 29 | 1973 | 56–28 | 66.7% | #22 | 1,890 | 0 | 10 | — | — | — | — | — | — | — |
| 30 | 1974 | 25–17 | 59.5% | #30 | 1,828 | 0 | 10 | — | — | — | — | — | — | — |
| 31 | 1975 | 31–13 | 70.5% | #25 | 1,915 | 0 | 13 | — | — | — | — | — | — | — |
| 32 | 1976 | 22–15 | 59.5% | #17 | 1,954 | 0 | 14 | — | — | — | — | — | — | — |
| 33 | 1977 | 35–21 | 62.5% | #26 | 1,823 | 0 | 15 | — | — | — | — | — | — | — |
| 34 | 1978 | 15–16 | 48.4% | #68 | 1,765 | 0 | 15 | — | — | — | — | — | — | — |
| 35 | 1979 | 17–16 | 51.5% | #76 | 1,786 | 0 | 15 | — | — | — | — | — | — | — |
| 36 | 1980 | 11–13 | 45.8% | #140 | 1,673 | 0 | 15 | — | — | — | — | — | — | — |
| 37 | 1981 | 0–5 | 0.0% | #140 | 1,597 | 0 | 15 | — | — | — | — | — | — | — |