Oyugi Ogango kicked off their Nyanza Region netball title defense on the front foot after crushing Lambwe 43-13 and humiliating Omwari 74-2 in their opening two Group A matches played at Kisii School on Thursday.
Ogango are in Group A alongside Kandaria, Omwari and Lambwe.
Former champions Nyakach Girls also sent warning shots after a 62-4 win over Rirumi and 26-13 win over Nyango.
Both Oyugi Ogango and Nyakach Girls are through to the semifinals with a game to spare.
Oyugi Ogango will face Kandaria in their final pool match on Friday from 10am while Nyakach play Ayora.
Nyakach are top of Group B with six points ahead of Rirumi, Ayora and Nyango.
In other results, saw Kandaria edge out Omwari 45-7, Ayora defeat Rirumi 31-17 and Lambwe edge Kandaria 26-15. Nyango also defeated Ayora 33-18.
Nyanza Region Netball Results
Oyugi Ogango 74-2 Omwari
Nyakach 62-4 Rirumi
Oyugi Ogango 43-13 Lamwe
Nyakach 26-13 Nyango
Kandaria 45-7 Omwari
Ayora 31-17 Rirumi
Lambwe 26-15 Kandaria
Nyango 33-18 Ayora