# 1984 Mercedes Cup – Singles

José Higueras was the defending champion, but lost in the quarterfinals to Tomas Smid.
Henri Leconte won the title by defeating Gene Mayer 7–6$^{(11–9)}$, 6–0, 1–6, 6–1 in the final.

## Seeds

* Eliot Teltscher (semifinals)
* Tomáš Šmíd (semifinals)
* Kevin Curren (second round)
* Scott Davis (first round)
* Gene Mayer (final)
* José Higueras (quarterfinals)
* Henri Leconte (champion)
* Brian Teacher (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| 1 | Eliot Teltscher | 3 | 3 | | | | | | |
| 5 | Gene Mayer | 6 | 6 | | | | | | |
| 5 | Gene Mayer | 6 | 6 | 5 | Gene Mayer | 6$^9$ | 0 | 6 | 1 |
| | | | | 7 | Henri Leconte | 7$^{11}$ | 6 | 1 | 6 |
| 7 | Henri Leconte | 6 | 6 | 7 | Henri Leconte | 7$^{11}$ | 6 | 1 | 6 |
| 2 | Tomáš Šmíd | 2 | 1 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | E Teltscher | 6 | 6 | | | | | | | | | | | | | | |
| WC | H Schwaier | 2 | 3 | | 1 | E Teltscher | 6 | 1 | 6 | | | | | | | | |
| | F Buehning | 3 | 4 | | | B Gilbert | 3 | 6 | 3 | | | | | | | | |
| | B Gilbert | 6 | 6 | | | | | | | 1 | E Teltscher | 7 | 6 | | | | |
| LL | B Walts | 6 | 1 | | | | | | | 8 | B Teacher | 5 | 2 | | | | |
| | L Bourne | 7 | 6 | | | L Bourne | 7 | 2 | 1 | | | | | | | | |
| | M Doyle | 2 | 6 | 6 | 8 | B Teacher | 6 | 6 | 6 | | | | | | | | |
| 8 | B Teacher | 6 | 4 | 7 | | | | | | | | | | 1 | E Teltscher | 3 | 3 |
| 4 | S Davis | 4 | 3 | | | | | | | | | | | 5 | G Mayer | 6 | 6 |
| | Z Kuhárszky | 6 | 6 | | | Z Kuhárszky | 7 | 6 | | | | | | | | | |
| | A Maurer | 2 | 7 | 7 | | A Maurer | 6 | 4 | | | | | | | | | |
| | T Gullikson | 6 | 5 | 6 | | | | | | | Z Kuhárszky | 4 | 3 | | | | |
| Q | A Ganzábal | 7 | 4 | 4 | | | | | | 5 | G Mayer | 6 | 6 | | | | |
| | M Davis | 5 | 6 | 6 | | M Davis | 5 | 6 | | | | | | | | | |
| WC | D Keretić | 6 | 4 | 3 | 5 | G Mayer | 7 | 7 | | | | | | | | | |
| 5 | G Mayer | 3 | 6 | 6 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | H Leconte | 6 | 6 | | | | | | | | | | | | | | |
| WC | B Borg | 3 | 1 | 7 | H Leconte | 6 | 6 | | | | | | | | | | |
| Q | Rüdiger Benz | 3 | 6 | | G Barbosa | 1 | 2 | | | | | | | | | | |
| | G Barbosa | 6 | 7 | | | | | | 7 | H Leconte | 7 | 6 | | | | | |
| | S Mayer | 6 | 2 | | | | | | | C Lewis | 5 | 2 | | | | | |
| | C Lewis | 7 | 6 | | C Lewis | 4 | 6 | 6 | | | | | | | | | |
| | S Denton | 4 | 2 | 3 | K Curren | 6 | 3 | 4 | | | | | | | | | |
| 3 | K Curren | 6 | 6 | | | | | | | | | | | 7 | H Leconte | 6 | 6 |
| 6 | J Higueras | 6 | 7 | | | | | | | | | | | 2 | T Šmíd | 2 | 1 |
| Q | Á Fillol | 4 | 6 | 6 | J Higueras | 6 | 1 | 7 | | | | | | | | | |
| | W Fibak | 3 | 1 | SE | S Casal | 2 | 6 | 6 | | | | | | | | | |
| SE | S Casal | 6 | 6 | | | | | | 6 | J Higueras | 6 | 3 | 3 | | | | |
| | M Bauer | 0 | 0 | | | | | | 2 | T Šmíd | 2 | 6 | 6 | | | | |
| Q | P Elter | 6 | 6 | Q | P Elter | 2 | 2 | | | | | | | | | | |
| | C Dowdeswell | 1 | 4 | 2 | T Šmíd | 6 | 6 | | | | | | | | | | |
| 2 | T Šmíd | 6 | 6 | | | | | | | | | | | | | | |