1988 Belgian Open – Singles

Kathleen Horvath was the defending champion but lost in the first round to Silvia La Fratta.

Arantxa Sánchez won in the final 6–0, 7–5 against Raffaella Reggi.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Zina Garrison (quarterfinals)
 * 2) 🇧🇬 Katerina Maleeva (second round)
 * 3) 🇮🇹 Raffaella Reggi (final)
 * 4) 🇪🇸 Arantxa Sánchez (champion)
 * 5)  Isabel Cueto (semifinals)
 * 6) 🇧🇷 Neige Dias (quarterfinals)
 * 7) 🇺🇸 Kathleen Horvath (first round)
 * 8) 🇦🇷 Mercedes Paz (quarterfinals)