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Jan Hajer
Jan Hajer has found the Tour difficult, recording 4–6 across 10 matches (40.0%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
Best season: 1968 — 2–3 (40.0%) from 5 matches. The best single-season display to date — a useful reference point as the career continues to develop.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 1972-07-24 | Hilversum | Clay | R32 | - | - | 6-4 6-0 | ||
| 1972-07-24 | Hilversum | Clay | R64 | - | - | 6-0 6-0 | ||
| 1971-07-26 | Hilversum | Clay | R64 | - | - | 6-2 6-0 | ||
| 1969-07-28 | Hilversum | Clay | R32 | - | - | 6-1 6-3 | ||
| 1969-07-28 | Hilversum | Clay | R64 | - | - | 6-3 6-4 | ||
| 1968-07-22 | Hilversum | Clay | R16 | - | - | 6-2 7-5 | ||
| 1968-07-22 | Hilversum | Clay | R32 | - | - | 1-6 6-3 8-6 | ||
| 1968-07-22 | Hilversum | Clay | R64 | - | - | 6-2 8-6 | ||
| 1968-05-03 | Davis Cup EUR R1: ESP vs NED | Clay | RR | - | - | 6-4 9-7 6-3 | ||
| 1968-05-03 | Davis Cup EUR R1: ESP vs NED | Clay | RR | - | - | 7-5 6-1 6-0 |