1990 BP National Championships – Singles
was the defending champion but lost in the first round to Lars-Anders Wahlgren.
Emilio Sánchez won in the final 6-7, 6-4, 4-6, 6-4, 6-1 against Richey Reneberg.Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
- Emilio Sánchez
- Andrei Chesnokov '
- Magnus Gustafsson '
- Kelly Evernden '
- Paolo Canè '
- Javier Sánchez '
- Paul Chamberlin '
- Richey Reneberg
Draw
Section 2