Safuwan Baharudin put the hosts in front with just one minute on the clock and Seo Su Jong doubled their advantage from the spot in the 20th minute.
Izzdin Shafiq then made the points safe when he found the back of the net with 14 minutes to go.
Qiu Li had given the hosts the lead three minutes before the break at Tampines Stadium.
Duric then struck in the 78th minute before adding the third goal on the stroke of full time.
The result sees Tampines open up a four-point gap at the top of the table while Young Lions are still chasing their first victory of the season.
Moussa Keita had given Sengkang a 36th-minute lead at the Jalan Besar Stadium but Frederic Mendy levelled 12 minutes into the second period.
Jordan Webb put Sengkang in front for a second time in the 78th minute before Verschave struck at the death to ensure a share of the spoils.
Tampines went in front after 20 minutes through Park Yo Seb before Jamil Ali extended the visitors' lead 10 minutes into the second period.
Nobuhiro Uetani reduced the arrears after 68 minutes for Albirex but Qiu Li wrapped up the points from the spot six minutes from time.
Elsewhere, Peter Tomko's 19th-minute strike helped Geylang United see off Young Lions 1-0 at the Jalan Besar Stadium.
After a goalless first half, Park Kang-jin opened the scoring on the hour mark before Mamadou's attempted clearance six minutes later went straight to Rivaldo Costa, who equalised from a tight angle.
However, Mamadou made amends for his error in the 70th minute when he headed home Park's corner to secure all three points for Gombak.
Rivaldo Costa was the architect of the hosts' downfall, netting the opener after 18 minutes and adding a penalty five minutes later.
Jordan Webb pulled a goal back for Sengkang just before half-time but Balestier held out in the second half to collect the points.
Farizal Basri had put Sengkang ahead from the penalty spot in the 57th minute but Woodlands levelled 11 minutes later when Precious Emuejeraye converted a spot-kick.
But Wiredu struck in injury time to secure the three points for Sengkang, who are second bottom of the standings.
Miroslav Latiak gave Geylang a fourth-minute lead at Jurong West Stadium but Gabriel Obatola levelled for the hosts 20 minutes later.
Yasir Hanapi then restored Geylang's lead in the 71st minute only for Njoku to strike with two minutes to go to salvage a point.
Qi Liu broke the deadlock after 17 minutes before Khairul Amri bagged the second on the hour mark. Benoit Croissant and Shariff Samat completed the rout in the last 10 minutes.
Elsewhere, Gabriel Obatola scored a hat-trick as Gombak United beat Balestier Khalsa 4-0.
Obatola opened the scoring at Toa Payoh Stadium after 20 minutes from the spot and netted the second six minutes before the break.
Fazrul Nawaz added a third just after the hour mark before Obatola completed his hat-trick on the stroke of full time.
The defender opened the scoring at Yishun Stadium after just six minutes before midfielder Kim Yoon-sik doubled the lead 11 minutes later.
Midfielder Yu Hyun-koo added a third for the Koreans three minutes after the break before Australian defender Jamie Pitt provided a rare bright moment for the visitors, who have just won three games this season, just a minute later.
Kim Shin-yui restored the three-goal cushion after 73 minutes before Seo Su-jung completed the scoring with five minutes remaining.
Super Reds reclaimed sixth place from Geyland United, who edged out Brunei DPMM 4-3 yesterday.
It took just two minutes for the visitors to open the scoring when Masrezwan Masturi struck and they doubled their lead eight minutes later through Yasir Hanapi.
Masturi then added a third in the 14th minute to end Sengkang's hopes of getting a result before they had even really got going.
Geylang are seventh in the league with 34 points while Sengkang remain third from bottom with 21.
The visitors took the lead after 25 minutes when Goran Subara volleyed home through a crowded box following a corner.
But Seto levelled 10 minutes into the second period when he nodded home Miroslav Latiak's quickly-taken free-kick.
Geylang were then reduced to 10 men 13 minutes from the end when Walid Lounis elbowed Ojimi Gabriel Obatola and was promptly sent off but the Eagles held on to claim a point.
Obatola struck in the 14th and 67th minutes to put the hosts two goals up and set them on their way to their first win in six games.
New signing Oh Ddog Yi grabbed a late goal for Balestier with his first for the club with 17 minutes to play.
Oh was one of four new signings who had helped inspire successive wins for Balestier but his goal failed to help last year's bottom side move any further away from cellar-dwellers Young Lions.
They are now only a point off the bottom having played a game more, while Gombak move two points clear in third place ahead of DPMM Brunei.
The result marked the end of the Koreans’ unbeaten streak on home soil this season, as they saw their title hopes suffer a major blow.
Seo Su Jong had scored the opener for his side on 35 minutes, when he finished an outstanding individual move on the right flank with a placed shot from a tight angle that beat Yazid Yasin.
But former Super Reds star Kim Jae Hong equalized for Geylang 12 minutes into the second half, and his goal was quickly followed by Eagles captain Noor Ali’s winner.
In a separate match, Shinya Yamagishi marked his S.League debut with the winning goal as Albirex Niigata FC (Singapore) overcame the Young Lions 1—0 at Jalan Besar Stadium.
The 20—year—old, handed his first start due to injuries to several Albirex regulars, netted with a header off a Takeshi Miki cross on the left flank 22 minutes into the game.
Despite putting together a hastily—cobbled side, the Japanese outfit were generally in control throughout the first half as the Young Lions struggled to cope with their opponents’ fluency and aggression on the field.
The second half was more balanced as Albirex took their foot off the pedal, but a lack of composure up front consigned the Young Lions to their sixth consecutive defeat in the league as they remained second from bottom.
