There is just two goals separating the two, with Nation top after seeing off
Hung Like A Bony 5-2, while the same score was enough for University to beat St Athan FC.
In Division One, Wearside Athletic claimed the biggest win of the day, seeing off
While Kings were seeing off
Folly Lane 6-1 with doubles from Jackson, Palmer and Griffin, Alvis slumped to a 3-1 home defeat against third-placed Highway Coundon as Knight, Kettle and Brassington eclipsed a Kirk strike for the home side.
The first semi-final was much more clear-cut, with Cheltenham seeing off
Sandown by 76 per cent to 24 per cent.
Brymbo climbed out of the bottom two after seeing off
Gwersyllt Athletic 5-1, Penycae triumphed 3-1 at Borras Park Albion and Overton took the spoils 2-1 at Venture.
The second-seeded Serbian also won in straight sets in the semi-finals, seeing off
Sweden's Robin Soderling 6-3 6-3.
And John Upton was never down, seeing off
Pete Fagan with his 21-12 return to send Wythall through to the next round.
Battling Yoker could create a shock by seeing off
Bonnyrigg at Holm Park.
Newcastle won the Northern derby by seeing off
Mick McCarthy's already relegated Sunderland 1-0.
Fiji reached the final by routing France 47-7 in the quarter-finals and seeing off
Samoa 28-12, beating their Pacific rivals in the semi-finals for the second straight week.
And after seeing off
the Evo-Stik Premier Division high-flyers Vauxhall must do the same to one of the leading teams in the First Division South.
Sean Brennan scored twice as Drogheda United had little problem seeing off
First Division opposition as they trounced Athlone Town 5-2 at Lissywollen.