1988 Citibank Open – Singles

Andre Agassi was the defending champion, but took a rest in order to compete at the Nabisco Masters the following week.

Jaime Yzaga won the title by defeating Javier Frana 7–6(7–4), 6–2 in the final.

Seeds
• # 🇪🇸 Emilio Sánchez (first round)

• # Andrei Chesnokov (quarterfinals)

• # 🇺🇸 Aaron Krickstein (second round)

• # 🇧🇷 Luiz Mattar (First round, retired)

• # 🇦🇷 Martín Jaite (semifinals)

• # 🇦🇷 Alberto Mancini (quarterfinals)

• # 🇦🇷 Horacio de la Peña (second round)

• # Marcelo Filippini (second round)