1989 BP National Championships – Singles
Introduction Ramesh Krishnan was the defending champion but lost in the first round to Patrick Baur.Kelly Evernden won in the final 7–5, 6–1, 6–4 against Shuzo Matsuoka.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.#  Ramesh Krishnan ''(first round)''#  Milan Šrejber ''(quarterfinals)''#  Michiel Schapers ''(first round)''#  Shuzo Matsuoka ''(final)''#  Tobias Svantesson ''(quarterfinals)''#  Danilo Marcelino ''(first round)''#  Glenn Michibata ''(semifinals)''#  '''Kelly Evernden (champion)'''
Draw * ''NB: The Final was the best of 5 sets while all other rounds were the best of 3 sets. ''===Final======Section 1======Section 2===
External links *  1989 BP National Championships draw