Can we draw the following hypothesis from the context?

Context:

The Men's Doubles tournament at the 1985 Australian Open was held from 25 November through 8 December 1985 on the outdoor grass courts at the Kooyong Stadium in Melbourne, Australia. Paul Annacone and Christo van Rensburg won the title, defeating Mark Edmondson and Kim Warwick in the final.

Hypothesis: The tournament is no longer on grass courts.
It's impossible to say