# 1984 ATP Championship – Singles

Mats Wilander successfully defended his title, by defeating Anders Järryd 7–6, 6–3 in the final.

## Seeds

* John McEnroe (first round)
* Jimmy Connors (semifinals)
* Mats Wilander (champion)
* Aaron Krickstein (first round)
* Anders Järryd (final)
* Pat Cash (first round)
* Guillermo Vilas (second round)
* Joakim Nyström (semifinals)
* Henri Leconte (first round)
* Scott Davis (first round)
* Stefan Edberg (quarterfinals)
* Paul McNamee (quarterfinals)
* Leif Shiras (first round)
* John Sadri (quarterfinals)
* Balázs Taróczy (second round)
* Brian Teacher (second round)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 12 | Paul McNamee | 2 | 6 | | | | | | | | | | |
| 5 | Anders Järryd | 6 | 7 | | | | | | | | | | |
| 5 | Anders Järryd | 6 | 7 | | 5 | Anders Järryd | 7 | 6 | | | | | |
| | | | | | 8 | Joakim Nyström | 5 | 4 | | | | | |
| Q | Dan Cassidy | 7 | 3 | 2 | 8 | Joakim Nyström | 5 | 4 | | | | | |
| 8 | Joakim Nyström | 6 | 6 | 6 | | | | | | | | | |
| 8 | Joakim Nyström | 6 | 6 | 6 | | | | | | 5 | Anders Järryd | 6 | 3 |
| | | | | | | | | | | 3 | Mats Wilander | 7 | 6 |
| 14 | John Sadri | 7 | 6 | 1 | | | | | | | | | | 3 | Mats Wilander | 7 | 6 |
| 3 | Mats Wilander | 6 | 7 | 6 | | | | | | | | | |
| 3 | Mats Wilander | 6 | 7 | 6 | 3 | Mats Wilander | 7 | 1 | 7 | | | | |
| | | | | | 2/WC | Jimmy Connors | 6 | 6 | 6 | | | | |
| 11 | Stefan Edberg | 3 | 6 | 6 | 2/WC | Jimmy Connors | 6 | 6 | 6 | | | | |
| 2/WC | Jimmy Connors | 6 | 4 | 7 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | J McEnroe | 7 | 2 | 3 | | | | | | | | | | | | | | |
| | V Amritraj | 6 | 6 | 6 | | V Amritraj | 2 | 6 | 2 | | | | | | | | | |
| | H Pfister | 3 | 2 | | | R Krishnan | 6 | 4 | 6 | | | | | | | | | |
| | R Krishnan | 6 | 6 | | | | | | | | R Krishnan | 6 | 7 | 6 | | | | |
| Q | S McCain | 6 | 1 | 2 | | | | | | 12 | P McNamee | 7 | 6 | 7 | | | | |
| | B Gottfried | 4 | 6 | 6 | | B Gottfried | 3 | 1 | | | | | | | | | | |
| | D Visser | 6 | 5 | 3 | 12 | P McNamee | 6 | 6 | | | | | | | | | | |
| 12 | P McNamee | 3 | 7 | 6 | | | | | | | | | | | 12 | P McNamee | 2 | 6 |
| 9 | H Leconte | 6 | 5 | 3 | | | | | | | | | | | 5 | A Järryd | 6 | 7 |
| | S Glickstein | 1 | 7 | 6 | | S Glickstein | 4 | 6 | 6 | | | | | | | | | |
| | S Denton | 7 | 4 | 2 | | V Van Patten | 6 | 2 | 3 | | | | | | | | | |
| | V Van Patten | 5 | 6 | 6 | | | | | | | S Glickstein | 3 | 2 | | | | | |
| | B Drewett | 3 | 6 | 6 | | | | | | 5 | A Järryd | 6 | 6 | | | | | |
| Q | A Kohlberg | 6 | 4 | 7 | Q | A Kohlberg | 0 | 2 | | | | | | | | | | |
| Q | E Iskersky | 5 | 2 | | 5 | A Järryd | 6 | 6 | | | | | | | | | | |
| 5 | A Järryd | 7 | 6 | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | A Krickstein | 6 | 1 | | | | | | | | | | | | | | | |
| Q | S Perkiss | 7 | 6 | | Q | S Perkiss | 3 | 4 | | | | | | | | | | |
| | T Moor | 1 | 2 | | Q | D Cassidy | 6 | 6 | | | | | | | | | | |
| Q | D Cassidy | 6 | 6 | | | | | | | Q | D Cassidy | 7 | 6 | | | | | |
| WC | F González | 6 | 5 | 4 | | | | | | | M Purcell | 6 | 4 | | | | | |
| | M Purcell | 4 | 7 | 6 | | M Purcell | 4 | 7 | 7 | | | | | | | | | |
| | C Dowdeswell | 2 | 1 | | 16 | B Teacher | 6 | 6 | 5 | | | | | | | | | |
| 16 | B Teacher | 6 | 6 | | | | | | | | | | | Q | D Cassidy | 7 | 3 | 2 |
| 13 | L Shiras | 6 | 4 | | | | | | | | | | | 8 | J Nyström | 6 | 6 | 6 |
| | R Simpson | 7 | 6 | | | R Simpson | 4 | 6 | 6 | | | | | | | | | |
| | L Bourne | 6 | 3 | | WC | D Tarr | 6 | 3 | 7 | | | | | | | | | |
| WC | D Tarr | 7 | 6 | | | | | | | WC | D Tarr | 3 | 2 | | | | | |
| | W Masur | 3 | 6 | 4 | | | | | | 8 | J Nyström | 6 | 6 | | | | | |
| | G Holmes | 6 | 4 | 6 | | G Holmes | 5 | 4 | | | | | | | | | | |
| | S Giammalva Jr. | 1 | 2 | | 8 | J Nyström | 7 | 6 | | | | | | | | | | |
| 8 | J Nyström | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 7 | G Vilas | 7 | 6 | 7 | | | | | | | | | | | | | |
| | T Gullikson | 6 | 7 | 6 | 7 | G Vilas | 4 | 3 | | | | | | | | | |
| | N Odizor | 6 | 3 | 4 | | R Harmon | 6 | 6 | | | | | | | | | |
| | R Harmon | 3 | 6 | 6 | | | | | | R Harmon | 4 | 1 | | | | | |
| WC | M Doyle | 7 | 6 | | | | | | 14 | J Sadri | 6 | 6 | | | | | |
| | C Motta | 5 | 2 | | WC | M Doyle | 3 | 5 | | | | | | | | | |
| | J Brown | 3 | 7 | 1 | 14 | J Sadri | 6 | 7 | | | | | | | | | |
| 14 | J Sadri | 6 | 6 | 6 | | | | | | | | | 14 | J Sadri | 7 | 6 | 1 |
| 10 | S Davis | 6 | 4 | 0 | | | | | | | | | 3 | M Wilander | 6 | 7 | 6 |
| | J Fitzgerald | 4 | 6 | 6 | | J Fitzgerald | 4 | 4 | | | | | | | | | |
| | S Meister | 7 | 1 | 1 | | T Högstedt | 6 | 6 | | | | | | | | | |
| | T Högstedt | 6 | 6 | 6 | | | | | | T Högstedt | 2 | 3 | | | | | |
| | M Edmondson | 6 | 1 | | | | | | 3 | M Wilander | 6 | 6 | | | | | |
| WC | J Alexander | 7 | 6 | | WC | J Alexander | 3 | 1 | | | | | | | | | |
| | F Buehning | 1 | 2 | | 3 | M Wilander | 6 | 6 | | | | | | | | | |
| 3 | M Wilander | 6 | 6 | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 6 | P Cash | 4 | 6 | | | | | | | | | | | | | | | |
| | B Testerman | 6 | 7 | | | B Testerman | 2 | 6 | 4 | | | | | | | | | |
| | J Lloyd | 6 | 6 | | | J Lloyd | 6 | 4 | 6 | | | | | | | | | |
| Q | S Živojinović | 4 | 2 | | | | | | | | J Lloyd | 5 | 1 | | | | | |
| | M Davis | 1 | 6 | 6 | | | | | | 11 | S Edberg | 7 | 6 | | | | | |
| | S Mayer | 6 | 2 | 3 | | M Davis | 6 | 4 | 6 | | | | | | | | | |
| | T Gullikson | 3 | 2 | | 11 | S Edberg | 4 | 6 | 7 | | | | | | | | | |
| 11 | S Edberg | 6 | 6 | | | | | | | | | | | 11 | S Edberg | 3 | 6 | 6 |
| 15 | B Tarózcy | 6 | 6 | | | | | | | | | | | 2/WC | J Connors | 6 | 4 | 7 |
| | G Ocleppo | 2 | 4 | | 15 | B Tarózcy | 6 | 3 | 2 | | | | | | | | | |
| Q | P Hjertquist | 2 | 4 | | | P Fleming | 3 | 6 | 6 | | | | | | | | | |
| | P Fleming | 6 | 6 | | | | | | | | P Fleming | 1 | 4 | | | | | |
| | M Bauer | 6 | 6 | | | | | | | 2/WC | J Connors | 6 | 6 | | | | | |
| Q | P Feigl | 4 | 1 | | | M Bauer | 1 | 2 | | | | | | | | | | |
| | R Tanner | 1 | 3 | | 2/WC | J Connors | 6 | 6 | | | | | | | | | | |
| 2/WC | J Connors | 6 | 6 | | | | | | | | | | | | | | | |