The home side led early before the third-ranked Pukekohe outfit claimed the lead.
But Mike Tuiloma’s side dug deep and came home strong to win the match and lift themselves into a share of fourth place.
Patumahoe withstood a hot early start by Manurewa to earn a 39-11 victory at Mountfort Park to secure a home semi-final.
“Always tough playing Rewa especially on sponsors and ladies’ day,” coach Brad Healy said. “They pushed us in the first half and made us play their game, which got our boys a bit frustrated.
“Good messages at halftime and the boys came out and responded straight away.
“Was good to see Siate [prop Siate Taupaki] back on the field after a lengthy lay off with injuries. Great to celebrate his 100th game with a win and to secure a home semi-final.
“Big challenge back at home with Bombay next week as they try to secure that fourth spot.”
Karaka had to work hard early to hold off Ardmore Marist before taking 27-7 win at Karaka Sports Complex to book a home semi-final berth.
“Pretty physical game at times with a lot of movement,” said Karaka coach Craig Hill. “Ardmore Marist scrambled really well and stopped a number of our opportunities.
“We need to improve our ball control and some decisions in certain parts of the field. Teams are stepping up with everyone still a chance of making semis.”
Patumahoe secured a 46-7 win over Manurewa in Bob Chandler Cup Premier 2 competition. Pukekohe upstaged Bombay 41-7 while Karaka beat Ardmore Marist 72-26.
The Sid Marshall Shield broke into a top five and bottom five round this week.
Weymouth earned an impressive road win over Drury 45-22 while Te Kauwhata had to work hard to overcome Maramarua 18-10 at Maramarua.
Waiuku picked up a 36-21 road win over Tuakau in the consolation bracket while Puni triumphed 38-12 over Te Kohanga.
Patumahoe secured a 25-17 win over Pukekohe in Massey Cup U21 action. In other matches, Karaka defeated Waiuku 49-7 and Ardmore Marist beat Manurewa 60-26.
Waiuku and Rua North drew 19-19 in Bright Cup U19 action while Patumahoe accounted for Manurewa 33-29.
Pukekohe earned a 29-20 win over Bombay in U85kg play at Bombay. Patumahoe beat Drury 39-20, Waiuku hammered Hamilton Marist 69-10 while Beachlands Maraetai went down to Morrinsville Sports 55-15.
