H2H data updated: 2026-07-14 14:15 UTC
T. Okker vs Kanyab Derafshidjavan H2H: 1-0
T. Okker holds a 1–0 lead over Kanyab Derafshidjavan in their ATP head-to-head. Across 1 main-draw meeting, T. Okker leads 1–0 on clay. Most recently, T. Okker won the 1974 Tehran second round 6-4 6-4.
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NED
Age 82
Right-Handed
177 cm / 5'10"
H2H
1
–
0
1 main draw meetings
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 29, 1974* | Tehran | ATP 250 | R64 | Clay | T. Okker | 6-4 6-4 | Kanyab Derafshidjavan | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T. Okker | #438 | #3 | 0 | 2,198 | 672 | 279 | 70.7% | 0 | 2 | 0 | 0 | 35 | 37 |
| Kanyab Derafshidjavan | — | — | — | 1,500 | — | — | — | 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.
| T. Okker | Kanyab Derafshidjavan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 89–23 | 79.5% | — | 1,796 | 0 | 7 | — | — | — | — | — | — | — |
| 1969 | 86–25 | 77.5% | — | 2,009 | 0 | 15 | — | — | — | — | — | — | — |
| 1970 | 59–27 | 68.6% | — | 1,948 | 0 | 20 | — | — | — | — | — | — | — |
| 1971 | 74–31 | 70.5% | — | 2,007 | 0 | 22 | — | — | — | — | — | — | — |
| 1972 | 69–31 | 69.0% | — | 2,041 | 0 | 23 | — | — | — | — | — | — | — |
| 1973 | 91–23 | 79.8% | #4 | 2,166 | 0 | 30 | — | — | — | — | — | — | — |
| 1974 | 65–19 | 77.4% | #6 | 2,061 | 0 | 33 | — | — | — | — | — | — | — |
| 1975 | 39–13 | 75.0% | #11 | 2,068 | 0 | 35 | — | — | — | — | — | — | — |
| 1976 | 33–18 | 64.7% | #23 | 1,956 | 0 | 35 | — | — | — | — | — | — | — |
| 1977 | 15–13 | 53.6% | #31 | 1,931 | 0 | 36 | — | — | — | — | — | — | — |
| 1978 | 20–20 | 50.0% | #50 | 1,879 | 0 | 36 | — | — | — | — | — | — | — |
| 1979 | 20–18 | 52.6% | #56 | 1,772 | 0 | 37 | — | — | — | — | — | — | — |
| 1980 | 11–13 | 45.8% | #107 | 1,715 | 0 | 37 | — | — | — | — | — | — | — |
| 1981 | 1–5 | 16.7% | #107 | 1,651 | 0 | 37 | — | — | — | — | — | — | — |