The Eric Shirley Shield entered match day four on Saturday,16 December with 5 matches taking place.
Kabras RFC reserves were the biggest winners of the day handing hosts Mombasa II a 79-0 hiding at the Mombasa Sports Club.
In Nakuru,KCB claimed an emphatic 39-13 win over Nakuru II as Impala Boks withstood a resolute Nondies side,forcing a 33-32 win.
Homeboyz II maintained top spot on the log following a 43-13 win over Kisii at the Gusii stadium as Strathmore II lost to Mwamba II with a 35-14 scoreline.
The Blak Blad II match against Sportpesa Quins II was postponed following the closure of the Kenyatta University.
ESS round four results
Kisii II 3-43 Homeboyz II
KCB II 39-13 Nakuru II
Impala II 33-32 Nondies
Kabras II 79-0 Mombasa II
Strathmore II 14-35 Mwamba II