# 1983 Benson and Hedges Open – Singles

John Alexander defeated Russell Simpson 6–4, 6–3, 6–3 to win the 1983 Benson and Hedges Open singles competition. Tim Wilkison was the champion but did not defend his title.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* John Alexander (champion)
* Russell Simpson (final)
* Chris Lewis (semifinals)
* Phil Dent (first round)
* Rod Frawley (semifinals)
* Brad Drewett (second round)
* Bernard Mitton (quarterfinals)
* Jeff Simpson (quarterfinals)

## Draw
### Key

* Q – Qualifier
* NB: The Final was the best of 5 sets while all other rounds were the best of 3 sets.

### Final

| Final | Final | Final | Final | Final | Final | Final |
| 1 | John Alexander | 6 | 6 | 6 | | |
| 2 | Russell Simpson | 4 | 3 | 3 | | |

### Section 1

| First round | 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 |
| 1 | J Alexander | 6 | 6 | | | | | | | | | | | | | | | |
| | J Frawley | 2 | 3 | | 1 | J Alexander | 7 | 6 | | | | | | | | | | |
| | G Whitecross | 4 | 1 | | | J Lloyd | 6 | 4 | | | | | | | | | | |
| | J Lloyd | 6 | 6 | | | | | | | 1 | J Alexander | 6 | 6 | | | | | |
| | D Siegler | 7 | 2 | 6 | | | | | | | D Siegler | 1 | 4 | | | | | |
| | J Turpin | 5 | 6 | 4 | | D Siegler | 6 | 6 | 7 | | | | | | | | | |
| | P Johnston | 3 | 7 | 6 | 6 | B Drewett | 7 | 4 | 6 | | | | | | | | | |
| 6 | B Drewett | 6 | 5 | 8 | | | | | | | | | | | 1 | J Alexander | 7 | 6 |
| 3 | C Lewis | 6 | 6 | | | | | | | | | | | | 3 | C Lewis | 6 | 4 |
| | S McCain | 3 | 4 | | 3 | C Lewis | 6 | 6 | | | | | | | | | | |
| | J McCurdy | 7 | 6 | | | J McCurdy | 3 | 4 | | | | | | | | | | |
| | D Mustard | 6 | 3 | | | | | | | 3 | C Lewis | 6 | 6 | 7 | | | | |
| | D Lewis | 3 | 6 | 6 | | | | | | 7 | B Mitton | 7 | 4 | 5 | | | | |
| | R Evett | 6 | 4 | 4 | | D Lewis | 1 | 1 | | | | | | | | | | |
| Q | R Case | 2 | 6 | 6 | 7 | B Mitton | 6 | 6 | | | | | | | | | | |
| 7 | B Mitton | 6 | 3 | 8 | | | | | | | | | | | | | | |

### Section 2

| 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 | Semifinals |
| 5 | R Frawley | 7 | 4 | 6 | | | | | | | | | | | | | | |
| Q | M McDonald | 6 | 6 | 1 | 5 | R Frawley | 6 | 6 | | | | | | | | | | |
| | Ron Dutton | 2 | 1 | | | D Graham | 4 | 3 | | | | | | | | | | |
| | D Graham | 6 | 6 | | | | | | | 5 | R Frawley | 6 | 6 | | | | | |
| Q | Robert Crames | 1 | 4 | | | | | | | | B Dyke | 2 | 1 | | | | | |
| | Armand Molino | 6 | 6 | | | A Molino | 4 | 7 | 3 | | | | | | | | | |
| | B Dyke | 6 | 5 | 6 | | B Dyke | 6 | 5 | 6 | | | | | | | | | |
| 4 | P Dent | 4 | 7 | 3 | | | | | | | | | | 5 | R Frawley | 4 | 6 | 4 |
| 8 | J Simpson | 6 | 6 | | | | | | | | | | | 2 | R Simpson | 6 | 3 | 6 |
| Q | Craig Tregonning | 4 | 4 | | 8 | J Simpson | 4 | 6 | 8 | | | | | | | | | |
| | R Crowley | 1 | 3 | | | B Derlin | 6 | 3 | 6 | | | | | | | | | |
| | B Derlin | 6 | 6 | | | | | | | 8 | J Simpson | 2 | 4 | | | | | |
| | M Lewis | 1 | 3 | | | | | | | 2 | R Simpson | 6 | 6 | | | | | |
| | C Fancutt | 6 | 6 | | | C Fancutt | 4 | 4 | | | | | | | | | | |
| | E Oncins | 6 | 2 | | 2 | R Simpson | 6 | 6 | | | | | | | | | | |
| 2 | R Simpson | 7 | 6 | | | | | | | | | | | | | | | |