Michael Howard reports

Stewart’s eight victories matched her stable’s feat in the 2018 Vicbred Super Series semi-finals and was only one win shy of the national record, the unprecedented mark she set in Launceston in April.

The trainer has also recorded seven wins at single meetings on four occasions and six wins on five occasions, achievements that have her on course for an extraordinary eighth successive state and metropolitan premiership sweep.

https://www.thetrots.com.au/news/art...further-apart/

It would seem as though she is the only one to have done it (before)