Premier Sydney trainer Chris Waller has capped a record-breaking day with four winners at Rosehill.

His first runner on Saturday, Oompa Loompa, had the honour of giving Waller 156-1/2 Sydney winners for the season to better the record held jointly by TJ Smith (1975-76) and Gai Waterhouse (2002-03).

That out of the way, Waller sent out Fulgur, Eigelstein and Secessio to boost the tally.

With seven meetings left for the season and a 2013-14 racing program featuring 10 fewer city fixtures, Waller is likely to set a mark only he can come close to.

"The pressure has been there the last month," Waller said.

"It's been a long season and I don't take it for granted.

"I've got great staff and we have good systems in place."

Part of the system has involved importing stayers from Europe, a practice Waller started when he was setting out because he couldn't afford to buy yearlings in Australia.

Fulgur, Eigelstein and Secessio are all part of that process with the latter two imported from Germany.

"We used to go to England but those horses are getting expensive now," Waller said.

"Eigelstein and Secessio came on the same plane. They are good solid horses and the German horses are good value."

A former New Zealander, Waller has made Sydney his home and says he is thrilled to be training in such a competitive arena.

But he hasn't restricted himself to Sydney, ending the season as the leading Group One trainer with nine wins with eight different horses.

"We just try to place the horses where they are suited and hope they reach where we want," he said.

Secessio is owned by a syndicate managed by Debbie Kepitis, the daughter of Bob Ingham who anointed Waller as his trainer when he began a new venture after selling his Woodlands concern to Sheikh Mohammed's Darley.

"I know Mr Ingham watches the races every Saturday and he has been a major part of my success as has the whole family," Waller said.

"This record is something I'll look back on. I just want to keep going along and improving.

"There is always something to learn as a trainer."