One week ago, Katikati were joint leaders with an unbeaten record alongside Sangha (Raavi).
In the weekend of upsets, both sides tasted defeat, but will have the opportunity for redemption when they meet at Fergusson Park.
Greerton, lying in fourth position, square off against Cadets at the Tauranga Domain, with Sangha (Anna) and Te Puke meeting at Fergusson three.
The B Grade competition is led by Wanderers and Katikati, who have posted two wins since the season started.
Katikati are at home at the Uretara Domain in Katikati against Albion, with Wanderers drawing the bye.
In other second-echelon matches, Greerton face Cadets, with Mount Masters at home at Blake Park against defending champions Grasshoppers.
Western Bay of Plenty draws, November 16
Reserve Grade: Sangha (Raavi) v Katikati (Ferguson2); Mount Maunganui v Tauranga Boys' College (Blake1); Sangha (Anna) v Te Puke (Fergusson3); Cadets v Greerton (Tauranga Domain).
Points: Mount Maunganui 80, Katikati 78, Sangha (Raavi) 73, Greerton 61, Tauranga Boys' College 50, Cadets 50, Te Puke 42, Sangha (Anna) 40.
B Grade: Katikati v Albion (Uretara Domain); Greerton v Cadets (Ferguson1); Mount Masters v Grasshoppers (Blake3); Bye, Wanderers.
Points: Wanderers 40, Katikati 40, Greerton 20, Cadets 20, Grasshoppers 0*, Mount Masters 0* Albion 0 (* game in hand).