Phillips is hoping to power to Ulster joy
Lisburn's Carl Phillips will aim to wrap up the AJ Plumbing Ulster Superbike Championship title tomorrow in the 10th and final round at St Angelo Airfield, Enniskillen.
Phillips is currently 20 points clear of nearest rival Alistair Kirk with just 50 points remaining in the Superbike class.
Phillips has 11 race wins to date and once held a commanding lead in the series. Since August, however, Kirk - on his BMW - has been chipping away at the gap, which makes for an interesting two races tomorrow.
David Wood Trophy winner Jason Lynn missed three rounds of the Supersport Championship while on British Supersport duty, but has already sewn up the Ulster Championship with a round to spare as he sits 60 points clear of Christian Elkin.
Of the 15 races the Upperlands rider contested, he won 14 of them and finished second in the other. Elkin has yet to take a win.
Up and coming star Michael Owens romped away with the Supersport Cup, but 16-year-old Jonny Campbell may have a say in proceedings tomorrow. The 2016 Davy Wood Scholarship winner has taken six wins and two second places in the last eight races.
Ryan Farquhar protege Cameron Dawson has won every race he has contested in the Supersport 300 class, but is just 31 points ahead of Alex Duncan. Karl Lynch and Braydon Cummings will battle it out for the Young Guns Challenge title.
Ajay Carey, Stephen McKeown, Gary Scott, Johnny Irwin, Gary McCoy and Mark Abraham all have unassailable leads in their respective Championships.
This Enniskillen and District Motorcycle Club promotion, supported by Fermanagh and Omagh District Council, sees racing scheduled to start from 11.30am.
Meanwhile, practice begins at Donington Park this morning ahead of the penultimate round of the British Superbike Championship.
Jack Kennedy could well retain his British Supersport crown this weekend as he sits 71 points clear of team-mate Brad Jones with just 100 still available.
Alastair Seeley's title aspirations disappeared at Oulton Park when he suffered a wrist injury in a crash, but he will be at Donington.
He will celebrate his 40th birthday today, and said: "I'll be helping Jewson EHA Yamaha team-mate David Allingham to see if I can help him chip off a tenth from his lap times here and there.
"That will make the trip worthwhile. My own wrist injury needs another couple of weeks, my goal being to return at Brands Hatch to give team owners Edward and Gail Allingham a top-class performance at one of my favourite tracks."
Korie McGreevy is six points off the lead in the British Superstock 600cc Championship and Eunan McGlinchey is 26 points behind in third, so both will be looking to close the gap to New Zealander Shayne Richardson.
In what looks to be a straight fight between Scott Redding and Josh Brookes for the BSB title - just 14 points separate them - Donington is crucial as both would like to take a big advantage into the final triple-header at Brands Hatch in a fortnight.
Andrew Irwin will look to claw back the eight points he trails Honda team-mate Xavi Fores in the chase for the Riders Cup.