Llanarth led 1-0 at half-time through a Dan Wheeler goal. In the second-half Steve Morgan scored Llanarth's second and Ben Marshall netted for Llanfoist.
Man of the match for Llanarth was Dan Wheeler.
Man of the match for Llanfoist was Michael Waters.
Crickhowell were narrowly beaten by Pontypool Town 4-5 after the two teams were level-pegging 3-3 at the stroke of half-time,
Crick's strikes came from man of the match Benji Clarke (2), Owen Jones and Paul Holloway.
After going 2-0 down to Usk Town on the 'Island', a ten-man Gilwern and District bounced back impressively in the second-half to win the game 2-4.
Ross Curzon scored for Usk in the 20th minute and team-mate Will Barton made it two just before the interval with a well taken penalty.
Ten minutes into the second-half and sub Adam Carrington led the Gilwern revival with his first goal. 15 minutes later Matthew Burkitt put his team level, before Carrington scored his second and Gilwern's winner in the 90th minute.
Man of the match for Usk Town was Will Barton.
Man of the match for Gilwern was Mark Fuller.
In Division One Mardy were beaten 3-1 away at Green Hill Road by Panteg.
Man of the match Steve Hollingworth scored Mardy's consolation goal.
Blaenavon Blues beat last season's champions Clydach Wasps 2-1. Matt Grabner put the Wasps 0-1 in front. Joe Prince put the Blues level going into the interval and Steve White gave the Blues the win from the penalty spot in the 85th minute.
Man of the match for the Blues was Jonathna White.
Man of the match for the Wasps was Simon Tippens.
Govilon had a 3-1 home win over Trevethin courtesy of a hat-trick delivered by Lewis Meadows.
Man of the match for Govilon was Paul Sullivan.
Prescoed have opened the gap at the top of Division Two to four points clear of second-placed side Clydach Wasps 'B' following a 5-1 victory over a strong Pandy 'B' side.
Prescoed's goals came from Gareth Wesson, Gary Hewitt, Adam Standford, Barry Jones and Paul Harry.
Michael Smith scored a consolation goal for Pandy 'B'.
Man of the match for Prescoed was Tom Canning. Man of the match for Pandy 'B' was Mike Smith.
There was an abundance of goals in Usk Town 'B's' 3-11 whitewashing of Mardy 'B' at Bailey Park.
Usk's goals came thick and fast as Robert Williams (2), Ben Willis (2), John Paul Glencross (2),
Adam Glencross (2) and David Glencross (2) did the damage.
Mardy 'B's' goals came from Steven Jones, Rhys Davies, and Thomas Hughes.
Man of the match for Mardy was Neil Powell.
Man of the match for Usk Town was Shaun Harding.
Clydach 'B' hold second position following their 3-2 home win over newcomers Blaenavon Blues 'B'.
Matthew Cox put Blaenavon 'B' 0-1 in front, before Ben Ward struck from a screamer to put Clydach 'B' level going into the interval.
Come the second-half and both Matthew Cox and Ben Ward struck again to make it 2-2, before a well taken header by Luke Welsh gave Clydach the win.