- Born
- 1959-03-23 in nan, Germany
- Hand
- Right
- Backhand
- nan
- Coach
- nan
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Harald Theissen
Harald Theissen has found the Tour difficult, recording 7–12 across 19 matches (36.8%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): 1–1 across just 2 matches — still very early days at this level.
Best season: 1982 — 4–8 (33.3%) from 12 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 |
|---|---|---|---|---|---|---|---|---|
| 1983-10-10 | Tel Aviv | Hard | R16 | 478 | 215 | 6-3 6-2 | ||
| 1983-10-10 | Tel Aviv | Hard | R32 | 215 | 147 | 6-3 6-2 | ||
| 1983-05-09 | Hamburg | Clay | R64 | 81 | 241 | 6-0 6-2 | ||
| 1982-12-13 | Sydney-2 | Grass | R32 | 87 | 216 | 6-2 6-3 | ||
| 1982-12-13 | Sydney-2 | Grass | R64 | 216 | 127 | 6-2 7-6 | ||
| 1982-12-02 | Australian Open | Grass | R64 | 145 | 239 | 2-6 6-3 6-4 6-4 | ||
| 1982-12-02 | Australian Open | Grass | R128 | 239 | 69 | 7-5 6-4 1-6 3-6 6-3 | ||
| 1982-11-15 | Bangkok | Carpet | R32 | 266 | 103 | 4-6 6-2 6-4 | ||
| 1982-10-25 | Cologne | Hard | R32 | 48 | 265 | 6-2 6-2 | ||
| 1982-07-19 | Kitzbuhel | Clay | R32 | 61 | 222 | 6-1 7-6 |