H2H data updated: 2026-07-14 14:15 UTC
J. Clerc vs T. Okker H2H: 1-0
J. Clerc holds a 1–0 lead over T. Okker in their ATP head-to-head. Across 1 main-draw meeting, J. Clerc leads 1–0 on clay. Most recently, J. Clerc won the 1978 Gstaad quarterfinal 6-4 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
ARG
Age 67
Right-Handed
185 cm / 6'1"
H2H
1
–
0
1 main draw meetings
NED
Age 82
Right-Handed
177 cm / 5'10"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 15, 1978* | Gstaad | ATP 250 | QF | Clay | J. Clerc | 6-4 6-3 | T. Okker | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
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 | J. Clerc | T. Okker | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1977 | 1–3 | 25.0% | #278 | 1,487 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1978 | 50–17 | 74.6% | #15 | 1,861 | 0 | 3 | — | — | — | — | — | — | — |
| 20 | 1979 | 56–23 | 70.9% | #17 | 1,916 | 0 | 4 | — | — | — | — | — | — | — |
| 21 | 1980 | 68–22 | 75.6% | #8 | 2,010 | 0 | 11 | — | — | — | — | — | — | — |
| 22 | 1981 | 54–12 | 81.8% | #5 | 2,061 | 0 | 17 | — | — | — | — | — | — | — |
| 23 | 1982 | 66–23 | 74.2% | #6 | 1,943 | 0 | 22 | — | — | — | — | — | — | — |
| 24 | 1983 | 29–14 | 67.4% | #8 | 1,894 | 0 | 26 | 1968 | 89–23 | 79.5% | — | 1,796 | 0 | 7 |
| 25 | 1984 | 13–10 | 56.5% | #33 | 1,824 | 0 | 26 | 1969 | 86–25 | 77.5% | — | 2,009 | 0 | 15 |
| 26 | 1985 | 23–13 | 63.9% | #28 | 1,811 | 0 | 26 | 1970 | 59–27 | 68.6% | — | 1,948 | 0 | 20 |
| 27 | — | — | — | — | — | — | — | 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 | 1989 | 1–4 | 20.0% | #514 | 1,722 | 0 | 26 | 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 |