| Doubles | |
|---|---|
| 1989 BP National Championships | |
| 1988 Champions |  Dan Goldie Rick Leach |
| Champions |  Peter Doohan Laurie Warder |
| Runners-up | Rill Baxter  Glenn Michibata |
| Score | 3–6, 6–2, 6–3 |
| Draw | 16 |
| Seeds | 4 |
Dan Goldie and Rick Leach were the defending champions but did not compete that year.
Peter Doohan and Laurie Warder won in the final 3–6, 6–2, 6–3 against Rill Baxter and Glenn Michibata.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Peter Doohan / Laurie Warder (champions)
Horacio de la Peña / 
Kelly Evernden (first round)
João Cunha e Silva / 
Danilo Marcelino (first round) Tim Pawsat / 
Tobias Svantesson (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | P Doohan L Warder | 6 | 7 | ||||||||||||||||||||||||
 R Smith  P Wekesa | 3 | 6 | 1 | P Doohan L Warder | 4 | 7 | 6 | ||||||||||||||||||||
| J Letts B Man-Son-Hing | 7 | 6 | J Letts B Man-Son-Hing | 6 | 6 | 4 | |||||||||||||||||||||
| J Canter B Derlin | 6 | 4 | 1 | P Doohan L Warder | 7 | 6 | |||||||||||||||||||||
| 3 | J Cunha e Silva D Marcelino | 3 | 6 | 6 | L Jensen R Reneberg | 6 | 2 | ||||||||||||||||||||
| L Jensen R Reneberg | 6 | 3 | 8 | L Jensen R Reneberg | 6 | 7 | 6 | ||||||||||||||||||||
 P Baur S Guy | 7 | 6 | P Baur S Guy | 7 | 6 | 3 | |||||||||||||||||||||
 M Oosting L-A Wahlgren | 6 | 4 | 1 | Peter Doohan Laurie Warder | 3 | 6 | 6 | ||||||||||||||||||||
 R Krishnan D Lewis | 6 | 4 | Rill Baxter Glenn Michibata | 6 | 2 | 3 | |||||||||||||||||||||
 S Matsuoka D Wheaton | 7 | 6 | S Matsuoka D Wheaton | 6 | 6 | 6 | |||||||||||||||||||||
| J Barham J Klaparda | 3 | 2 | 4 | T Pawsat T Svantesson | 3 | 7 | 8 | ||||||||||||||||||||
| 4 | T Pawsat T Svantesson | 6 | 6 | 4 | T Pawsat T Svantesson | 4 | 4 | ||||||||||||||||||||
| R Baxter G Michibata | 6 | 7 | R Baxter G Michibata | 6 | 6 | ||||||||||||||||||||||
| P Chamberlin M Schapers | 2 | 6 | R Baxter G Michibata | 7 | 6 | ||||||||||||||||||||||
| C Beckman S DeVries | 6 | 6 | C Beckman S DeVries | 5 | 4 | ||||||||||||||||||||||
| 2 | H de la Peña K Evernden | 4 | 1 | ||||||||||||||||||||||||
Peter Fleming and John McEnroe were the defending champions but did not compete that year.
Kelly Evernden and Todd Witsken were the defending champions but they competed with different partners that year, Evernden with Nicolás Pereira and Witsken with Jorge Lozano.
Peter Fleming and Guy Forget were the defending champions but only Forget competed that year with Yannick Noah.
Darren Cahill and Mark Kratzmann were the defending champions but they competed with different partners that year, Cahill with John Fitzgerald and Kratzmann with Broderick Dyke.
Darren Cahill and John Fitzgerald were the defending champions but they competed with different partners that year, Cahill with Mark Kratzmann and Fitzgerald with Simon Youl.
Joakim Nyström and Mats Wilander were the defending champions, but lost in the second round to Carl Limberger and Mark Woodforde.
Mark Edmondson and Sherwood Stewart were the defending champions but lost in the semifinals to Brian Gottfried and Tomáš Šmíd.
Peter Fleming and John McEnroe were the defending champions but they competed with different partners that year, Fleming with Gary Donnelly and McEnroe with his brother Patrick.
Rick Leach and Jim Pugh were the defending champions but lost in the quarterfinals to Grant Connell and Glenn Michibata.
Ken Flach and Robert Seguso were the defending champions but lost in the semifinals to John Fitzgerald and Anders Järryd.
Sergio Casal and Emilio Sánchez were the defending champions but lost in the second round to Marcelo Filippini and Horst Skoff.
Patrik Kühnen and Tore Meinecke were the defending champions but they competed with different partners that year, Kühnen with Udo Riglewski and Meinecke with Ricki Osterthun.
Jana Novotná and Jim Pugh were the defending champions and won in the final 6–3, 6–4 against Zina Garrison and Sherwood Stewart.
Jana Novotná and Jim Pugh were the defending champions but only Pugh competed that year with Natasha Zvereva.
Peter Doohan and Laurie Warder were the defending champions, but only Warder competed that year with Tim Pawsat.
Paul Annacone and Christo van Rensburg were the defending champions, but lost in the semifinals to Swedes and top seeds Stefan Edberg and Anders Järryd.
Rick Leach and Jim Pugh were the defending champions, but did not participate this year.
Peter Doohan and Laurie Warder won the title, defeating Marty Davis and Tim Pawsat 2–6, 6–4, 7–5 in the final.
Fifth-seeded pair Ken Flach and Robert Seguso won the title, sharing $18,000 prize money. The third seeds Heinz Günthardt and Balázs Taróczy lost the final after being penalized the twelfth game of the second set following a dispute with the umpire.
Darren Cahill and Laurie Warder were the defending champions, but Cahill chose to focus on the singles tournament only, losing in the first round. Warder teamed up with Peter Doohan and lost in the quarterfinals to Emilio Sánchez and Javier Sánchez