| Singles | |
|---|---|
| 1983 Bavarian Tennis Championships | |
| Champion |  Tomáš Šmíd |
| Runner-up |  Joakim Nyström |
| Final score | 6–0, 6–3, 4–6, 2–6, 7–5 |
| Draw | 32 |
| Seeds | 8 |
Gene Mayer was the defending champion, but did not participate this year.
Tomáš Šmíd won the singles title of the 1983 BMW Open, defeating Joakim Nyström 6–0, 6–3, 4–6, 2–6, 7–5 in the final.
Tomáš Šmíd (champion)
Mel Purcell (first round)
Shlomo Glickstein (first round) Mike De Palmer (second round)
Fernando Luna (quarterfinals) Pavel Složil (quarterfinals)
Chris Lewis (quarterfinals)
Jairo Velasco, Sr. (second round)| Semifinals | Final | ||||||||||||||
| 1 | Tomáš Šmíd | 6 | 6 | ||||||||||||
| Hans Simonsson | 3 | 2 | |||||||||||||
| 1 | Tomáš Šmíd | 6 | 6 | 4 | 2 | 7 | |||||||||
| Q | Joakim Nyström | 0 | 3 | 6 | 6 | 5 | |||||||||
 Peter Elter | 3 | 6 | 1 | ||||||||||||
| Q | Joakim Nyström | 6 | 3 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | T Šmíd | 5 | 6 | 6 | |||||||||||||||||||||||
| W Popp | 7 | 4 | 4 | 1 | T Šmíd | 6 | 6 | ||||||||||||||||||||
 A Ganzábal | 1 | 6 | 5 |  Z Kuharszky | 2 | 2 | |||||||||||||||||||||
| Z Kuharszky | 6 | 3 | 7 | 1 | T Šmíd | 6 | 6 | ||||||||||||||||||||
| Q | E Adams | 6 | 2 | 6 | 7 | C Lewis | 4 | 2 | |||||||||||||||||||
| D Keretić | 3 | 6 | 2 | Q | E Adams | 2 | 6 | 3 | |||||||||||||||||||
| A Tous | 5 | 7 | 4 | 7 | C Lewis | 6 | 2 | 6 | |||||||||||||||||||
| 7 | C Lewis | 7 | 6 | 6 | 1 | T Šmíd | 6 | 6 | |||||||||||||||||||
| 3 | S Glickstein | 6 | 1 | 3 | H Simonsson | 3 | 2 | ||||||||||||||||||||
| H Simonsson | 3 | 6 | 6 | H Simonsson | 6 | 7 | |||||||||||||||||||||
| B Manson | 6 | 2 | 5 | J Borowiak | 1 | 5 | |||||||||||||||||||||
| J Borowiak | 3 | 6 | 7 | H Simonsson | 6 | 3 | 6 | ||||||||||||||||||||
 R Acuña | 3 | 0 | 5 | F Luna | 3 | 6 | 3 | ||||||||||||||||||||
| E Fromm | 6 | 6 | E Fromm | 6 | 2 | 1 | |||||||||||||||||||||
 J Soares | 3 | 6 | 4 | 5 | F Luna | 4 | 6 | 6 | |||||||||||||||||||
| 5 | F Luna | 6 | 4 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | P Složil | 4 | 6 | 6 | |||||||||||||||||||||||
| LL | J Aguilera | 6 | 2 | 4 | 6 | P Složil | 7 | 6 | |||||||||||||||||||
| P Du Pré | 6 | 7 | P Du Pré | 5 | 2 | ||||||||||||||||||||||
| A Maurer | 4 | 6 | 6 | P Složil | 6 | 0 | 2 | ||||||||||||||||||||
| P Elter | 7 | 6 | P Elter | 4 | 6 | 6 | |||||||||||||||||||||
| A Järryd | 6 | 2 | P Elter | 6 | 6 | ||||||||||||||||||||||
| Q | G Guerrero | 3 | 6 | 4 | M De Palmer | 2 | 4 | ||||||||||||||||||||
| 4 | M De Palmer | 6 | 7 | P Elter | 3 | 6 | 1 | ||||||||||||||||||||
| 8 | J Velasco, Sr. | 6 | 6 | Q | J Nyström | 6 | 3 | 6 | |||||||||||||||||||
 F Sauer | 2 | 1 | 8 | J Velasco, Sr. | 4 | 6 | 2 | ||||||||||||||||||||
| M Westphal | 4 | 6 | 6 | M Westphal | 6 | 3 | 6 | ||||||||||||||||||||
| Q | E Jelen | 6 | 2 | 2 | M Westphal | 6 | 7 | 2 | |||||||||||||||||||
 C Roger-Vasselin | 6 | 7 | Q | J Nyström | 7 | 6 | 6 | ||||||||||||||||||||
| T Waltke | 2 | 5 | C Roger-Vasselin | 4 | 6 | 1 | |||||||||||||||||||||
| Q | J Nyström | 6 | 7 | Q | J Nyström | 6 | 4 | 6 | |||||||||||||||||||
| 2 | M Purcell | 3 | 5 | ||||||||||||||||||||||||
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