The 1990 Philips Austrian Open, also known as the Austrian Open Kitzbühel, was a men's tennis tournament held on outdoor clay courts at the Kitzbüheler Tennisclub in Kitzbühel, Austria that was part of the ATP World Series of the 1990 ATP Tour. It was the 20th edition of the tournament and was held from 30 July until 5 August 1990. Unseeded Horacio de la Peña won the singles title.[1]
See main article: 1990 Philips Austrian Open – Singles. 
Horacio de la Peña defeated Karel Nováček 6–4, 7–6(7–4), 2–6, 6–2
See main article: 1990 Philips Austrian Open – Doubles. 
Javier Sánchez / 
Éric Winogradsky defeated Francisco Clavet / 
Horst Skoff 7–6, 6–2