Àlex Corretja defeated Boris Becker in the final, 7–6(7–5), 7–5, 6–3 to win the singles tennis title at the 1998 Swiss Open.[2][3]
Félix Mantilla was the defending champion, but lost in the quarterfinals to Becker.[4][5]
This tournament marked the first professional appearance of future 20-time major champion and world No. 1 Roger Federer; he lost in the first round to lucky loser Lucas Arnold Ker.[6][7]
Seeds
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.