# 1984 NSW Building Society Open – Men's singles

Joakim Nyström was the defending champion, but did not compete this year.
John Fitzgerald won the title by defeating Sammy Giammalva Jr. 6–3, 6–3 in the final.

## Seeds

The first eight seeds received a bye into the second round.
* Johan Kriek (semifinals)
* Tim Mayotte (second round)
* Kevin Curren (semifinals)
* John Lloyd (second round)
* Mike Bauer (second round)
* Ben Testerman (quarterfinals)
* Miloslav Mečíř (second round)
* Guy Forget (second round)
* John Fitzgerald (champion)
* Bill Scanlon (quarterfinals)
* Marty Davis (quarterfinals)
* Leif Shiras (second round)
* Scott Davis (third round)
* Wally Masur (third round)
* Tom Gullikson (quarterfinals)
* Brad Drewett (third 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 |
| 1/WC | Johan Kriek | 4 | 7 | 6 | | | | | | | | | |
| 11 | Marty Davis | 6 | 5 | 3 | | | | | | | | | |
| 11 | Marty Davis | 6 | 5 | 3 | 1/WC | Johan Kriek | 7 | 4 | 3 | | | | |
| | | | | | | Sammy Giammalva Jr. | 5 | 6 | 6 | | | | |
| | Sammy Giammalva Jr. | 7 | 6 | | | Sammy Giammalva Jr. | 5 | 6 | 6 | | | | |
| 10 | Bill Scanlon | 6 | 3 | | | | | | | | | | |
| 10 | Bill Scanlon | 6 | 3 | | | | | | | | Sammy Giammalva Jr. | 3 | 3 |
| | | | | | | | | | | 9 | John Fitzgerald | 6 | 6 |
| 6 | Ben Testerman | 3 | 7 | 6 | | | | | | | | | | 9 | John Fitzgerald | 6 | 6 |
| 3 | Kevin Curren | 6 | 6 | 7 | | | | | | | | | |
| 3 | Kevin Curren | 6 | 6 | 7 | 3 | Kevin Curren | 6 | 2 | 2 | | | | |
| | | | | | 9 | John Fitzgerald | 4 | 6 | 6 | | | | |
| 15 | Tom Gullikson | 6 | 7 | 6 | 9 | John Fitzgerald | 4 | 6 | 6 | | | | |
| 9 | John Fitzgerald | 7 | 6 | 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 | Quarterfinals |
| | | | | | 1/WC | J Kriek | 6 | 7 | | | | | | | | | | | |
| | D Saltz | 6 | 7 | | | D Saltz | 4 | 6 | | | | | | | | | | | |
| | A Maurer | 4 | 6 | | | | | | | 1/WC | J Kriek | 6 | 6 | | | | | | |
| | J Hlasek | 3 | 4 | | | | | | | 13 | S Davis | 1 | 4 | | | | | | |
| WC | M Kratzmann | 6 | 6 | | WC | M Kratzmann | 1 | 4 | | | | | | | | | | | |
| | J Frawley | 1 | 4 | | 13 | S Davis | 6 | 6 | | | | | | | | | | | |
| 13 | S Davis | 6 | 6 | | | | | | | | | | | | 1/WC | J Kriek | 4 | 7 | 6 |
| 11 | M Davis | 7 | 4 | 6 | | | | | | | | | | | 11 | M Davis | 6 | 5 | 3 |
| | F González | 6 | 6 | 4 | 11 | M Davis | 4 | 7 | 0 | | | | | | | | | | |
| | B Derlin | 6 | 3 | 6 | Q | K Warwick | 6 | 6 | 1$^r$ | | | | | | | | | | |
| Q | K Warwick | 3 | 6 | 7 | | | | | | 11 | M Davis | 3 | 6 | 6 | | | | | |
| | J Alexander | 6 | 5 | 4 | | | | | | Q | K Flach | 6 | 3 | 3 | | | | | |
| Q | K Flach | 3 | 7 | 6 | Q | K Flach | 6 | 4 | 6 | | | | | | | | | | |
| | | | | | 5 | M Bauer | 4 | 6 | 0 | | | | | | | | | | |

#### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | J Lloyd | 2 | 1 | | | | | | | | | | |
| | S Giammalva Jr. | 6 | 6 | | | S Giammalva Jr. | 6 | 6 | | | | | | | | | | |
| | M De Palmer | 4 | 2 | | | | | | | | S Giammalva Jr. | 6 | 6 | | | | | |
| | L Bourne | 2 | 6 | 1 | | | | | | 16 | B Drewett | 2 | 4 | | | | | |
| | C van Rensburg | 6 | 4 | 6 | | C van Rensburg | 5 | 3 | | | | | | | | | | |
| | G Layendecker | 1 | 5 | | 16 | B Drewett | 7 | 6 | | | | | | | | | | |
| 16 | B Drewett | 6 | 7 | | | | | | | | | | | | | S Giammalva Jr. | 7 | 6 |
| 10 | B Scanlon | 2 | 7 | 6 | | | | | | | | | | | 10 | B Scanlon | 6 | 3 |
| | R Simpson | 6 | 6 | 4 | 10 | B Scanlon | 6 | 6 | | | | | | | | | | |
| | D Cassidy | 3 | 2 | | | T Benhabiles | 4 | 4 | | | | | | | | | | |
| | T Benhabiles | 6 | 6 | | | | | | | 10 | B Scanlon | 7 | 4 | 6 | | | | |
| Q | R Knapp | 4 | 4 | | | | | | | Q | T Cain | 6 | 6 | 4 | | | | |
| Q | T Cain | 6 | 6 | | Q | T Cain | 6 | 3 | 6 | | | | | | | | | |
| | | | | | 8 | G Forget | 3 | 6 | 4 | | | | | | | | | |

### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | B Testerman | 6 | 7 | | | | | | | | | | |
| | C Dowdeswell | 6 | 7 | | | C Dowdeswell | 3 | 5 | | | | | | | | | | |
| | J Mattke | 4 | 6 | | | | | | 6 | B Testerman | 3 | 6 | 6 | | | | | |
| | B Becker | 4 | 4 | | | | | | 14 | W Masur | 6 | 3 | 4 | | | | | |
| | E Edwards | 6 | 6 | | | E Edwards | 0$^r$ | | | | | | | | | | | |
| WC | S Youl | 3 | 2 | | 14 | W Masur | 4 | | | | | | | | | | | |
| 14 | W Masur | 6 | 6 | | | | | | | | | | | 6 | B Testerman | 3 | 7 | 6 |
| 12 | L Shiras | 7 | 7 | | | | | | | | | | | 3 | K Curren | 6 | 6 | 7 |
| Q | S McCain | 6 | 6 | | 12 | L Shiras | 4 | 6 | | | | | | | | | | |
| | M Freeman | 5 | 1 | | | S Perkiss | 6 | 7 | | | | | | | | | | |
| | S Perkiss | 7 | 6 | | | | | | | S Perkiss | 4 | 6 | 4 | | | | | |
| | D Keretić | 1 | 6 | 6 | | | | | 3 | K Curren | 6 | 3 | 6 | | | | | |
| | P Annacone | 6 | 2 | 1 | | D Keretić | 4 | 4 | | | | | | | | | | |
| | | | | | 3 | K Curren | 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | M Mečíř | 3 | 5 | | | | | | | | | | | |
| WC | P Doohan | 6 | 7 | | WC | P Doohan | 6 | 7 | | | | | | | | | | | |
| | A Andrews | 4 | 6 | | | | | | | WC | P Doohan | 6 | 4 | 6 | | | | | |
| Q | M Anger | 4 | 6 | 7 | | | | | | 15 | To Gullikson | 3 | 6 | 7 | | | | | |
| | S Denton | 6 | 0 | 5 | Q | M Anger | 2 | 7 | 5 | | | | | | | | | | |
| | R Harmon | 7 | 4 | 6 | 15 | To Gullikson | 6 | 6 | 7 | | | | | | | | | | |
| 15 | To Gullikson | 6 | 6 | 7 | | | | | | | | | | | 15 | To Gullikson | 6 | 7 | 6 |
| 9 | J Fitzgerald | 6 | 6 | | | | | | | | | | | | 9 | J Fitzgerald | 7 | 6 | 7 |
| | D Houston | 4 | 2 | | 9 | J Fitzgerald | 6 | 6 | | | | | | | | | | | |
| | J Turpin | 2 | 1 | | | S Simonsson | 2 | 1 | | | | | | | | | | | |
| | S Simonsson | 6 | 6 | | | | | | | 9 | J Fitzgerald | 6 | 7 | | | | | | |
| | H Pfister | 6 | 6 | | | | | | | | H Pfister | 4 | 5 | | | | | | |
| Q | D Gitlin | 4 | 3 | | | H Pfister | 4 | 7 | 7 | | | | | | | | | | |
| | | | | | 2 | T Mayotte | 6 | 6 | 5 | | | | | | | | | | |