It was a real rearguard action from the nine men to keep the game scoreless and force extra-time, at which point they were bolstered by two late arrivals. This seemed to tip the balance, and Kieron Alleyene netted midway through the second half of extra-time to win the game for Chineham.
UWS progressed in the North Hants John Ward Cup away at Wallop Wanderers, running out 4-1 winners, while Republic of Chineham beat Arms Athletic 6-1 to reach the final of the North Hants Senior Cup.
However, Tron lost 5-2 to AFC Wherwell in the Kelvin Cup. Charlie Palmer and Ross Soper-Dyer scored for Tron but Wherwell gained revenge for for a defeat inflicted on them the Basingstoke side the previous week.
CI FC scored two goals in each half to beat Basingstoke Saints 4-0 in Basingstoke and District Sunday League Division One.
Wesley Bush and Paul Adams had the visitors two goals ahead at the break, with Keith Davies and Josh Bromley completing the rout in the second half.
Basingstoke Sports and Social suffered their first home league defeat of the season, Dayer's Fine Foods ending a run of three defeats with a 3-2 win.
Freddie Cloke put Sports and Social ahead from 25 yards, before goals from Lee Neal and Nick Saunders edged Dayer's in front.
Danny Grimes levelled the match at half-time but Neal's second of the match put the visitors back in front midway through the second half. The goalscoring hero then took over in goal when Dayer's lost 'keeper Dean Munkley to a red card, pulling off a couple of saves as his side held out for victory.
Goals from Gareth Slade, Mike Dungate, Ollie Osborne and Joe Collins earned Skewers a 4-0 win over AFC Hook in Division Two, while Lamb Inn beat Eastrop Eagles 7-1. Ross Cook hit a hat-trick, Ben Nicholls scored twice and Dean Hill and Ashley Elwood also found the net.
FC Everest beat Team 3-1, the same score that saw Chineham Athletic defeat Sambuca. Ollie Owen, from the penalty spot, Ben Owen and Dale Cooper got Chineham's goals, with Josh Taylor replying for Sambuca.