The provincial side defeated Royal Thai Army 2-0, while the two-time champions could only draw 1-1 with Nakhon Pathom.

The Shark chalked up their seventh win of the season thanks to goals in the 65th and 79th minutes by in-form forward Pipop On-Mo, while the inaugural AFC Champions League finalists needed a goal from defender Anon Sangsanoi to earn a point at Sanam Chan.

Thailand Tobacco Monopoly stayed third in the table as the 2005 champions came from a goal down to beat Suphanburi 2-1.

After a goalless first half at the Thephatsdin Stadium, Theerapong gave Suphanburi the lead, heading home a 68th minute free-kick, before Anucha Chuysri levelled the match with a superb dipping shot from outside the penalty area six minutes later.

The two sides looked to be heading towards a draw until Chamana Sukkasham cut the ball into the path of Brazilian midfielder Daniel Nascimento, who drilled home the winner for Tobacco two minutes into second-half stoppage time.

Port Authority leapfrogged Suphanburi into seventh place as the side that had shipped 21 goals in their previous 10 games kept a rare clean sheet in their 1-0 away win over the Police.

Pongsuk Kongkaew scored the winner 13 minutes into the match played in Nonthaburi.

Reigning champions Bangkok University's grip on Thailand Premier League trophy slipped further as the Students went down to their fourth defeat of the season, losing 1-0 to Bangkok Bank in Lad Krabang.

Ekkaphan Petvises, who was on target on Wednesday as the Students lost 2-1 to Kawasaki Frontale in their final AFC Champions League match, was red carded with 15 minutes of the match left to play before S. Chaiprakorn piled on the misery for Somchai Subpherm's side with the 84th minute winner for Bangkok Bank.

Last season's runners-up Osotspa M-150 fared much better with a 3-0 defeat of Provincial Electricity Authority as Thailand international Jakkrit Bunkham supplemented Kittisak Jaihan's first-half double.