Riffa beat title holder Hidd 1-0 in fourth round of the Nasser bin Hamad Football League at Bahrain National Stadium.
International player Al Haram scored the only goal in the 59th minute.
East Riffa defeated Busaiteen 3-0 in the match which was played at Khalifa Sports City Stadium In Isa Town.
Mohammed Al Romaihi netted the first goal 15 minutes into the match, while teammates Faisal Boudahoum and Isa Jehad scored respectively in 64th and 87th minutes.
In a third match, Muharraq claimed its first victory after defeating Al Malkiya 2-0 in the match at Bahrain National Stadium.
Abdelwahab Al Maloud and Ismael Abdellatif scored the two goals in the 19th and 58th minutes.
Riffa and East Riffa continue to top the table with 10 points each, followed by third-placed Hidd with seven points.
Muharraq moves up to the fifth place with five points, followed by Budaiya and Al Ahli with four points each. Najma has two points while Al Malkiya has one point, in the ninth place and bottom of the table.