DOHA: Duhail and Al Arabi posted key wins in the Qatragas Under-23 league as both sides picked up full points for the second game each.     Points leaders Duhail beat Qatar 3-0 while Al-Arabi edged Al-Ahli 3-1. Duhail lead the points table with a tally of 6 from two wins along with Al Arabi who also have 6 points.     The points leaders have scored 9 goals in two games while Al Arabi have managed 6 so far.     In another Qatragas Under-23 league game last week, Al Rayyan drew with Al Khor 2-2. Al Rayyan have 4 points from two matches so far. Last week, Al Rayyan beat Umm Salal 5-2.     Al Sadd, who beat Umm Salal, are in 4th spot with a tally of 4 points as are Al Khor.     Al Gharafa, meanwhile, beat Al Sailiyah 1-0 to compensate for their first-round loss.     Al Markhiya managed to record an impactful return with a four-goal win over Al Kharaitiyat to make up for their defeat to Duhail in the first round.     In the ninth place comes Qatar SC with one point, which he collected from a draw against the dam in the first round after losing to Duhail in the second round.     Al-Sailiya, Al Ahli and Al Kharaitiyat all sit at the bottom with o points each.