Gai Waterhouse's run of Saturday trebles has come to an end at Rosehill but she still posted a double including the Listed Lord Mayor's Cup with Kinnersley.
Waterhouse had prepared a winning treble at the previous six Saturday meetings in Sydney, also netting seven Group One wins during an outstanding autumn carnival.
Kinnersley ($18) kept the stable's momentum going with a determined performance in Saturday's $100,000 Listed feature over 2000 metres, holding off the challenges from the Chris Waller-trained duo of Wazn ($4.20) and Firebolt ($11).
Kinnersley had three-quarters of a length to spare over Wazn with a long head to Firebolt.
Talented three-year-old Under The Sun then made it a double for Waterhouse with an all-the-way win in the Co-Ordinated Landscapes Handicap (1500m).
Waterhouse has now trained at least one winner at the past 14 Saturday meetings in Sydney including seven trebles and four doubles.
"I've just been doing my job. I'm a woman on a mission," Waterhouse said.
Kinnersley doesn't have the profile of some of his star stablemates but Waterhouse and jockey Tommy Berry praised the gelding's attitude and toughness after his breakthrough stakes victory.
"He's just the unsung hero," Waterhouse said.
"He's as honest as the day is long and is a lovely kind animal."
Waterhouse had two Lord Mayor's Cup runners with Group One winner Herculian Prince leading before weakening in the straight and failing to beat a runner home.
Waterhouse said the gelding would now be spelled.
Kinnersley enjoyed a good run, one out and one back, before Berry peeled the five-year-old into the clear approaching the turn and the son of Al Maher rallied over the final 200 metres.
"Everyone keeps underestimating him," Berry said.
"He's quite a nice stayer when everything goes right for him.
"He's one of the hardest trying horses in the yard and he's a Gai Waterhouse-trained horse so he's tough and hard to get past."
Under The Sun recorded his third straight win, defeating Censor by 1-1/4-lengths with a long head to Thumbtacks in third.
The victory gave Berry a winning double while Christian Reith also rode a double at the meeting.
"He's a really exciting horse," Waterhouse said of Under The Sun.
"I think I might give him a spell now and look at the spring."