Hull KR coach Craig Sandercock was left to rue a missed opportunity as his side lost 34-29 to Widnes at the KC Lightstream Stadium.
Rovers led by seven points with seven minutes remaining but failed to close the game out against Denis Betts' battling team.
Sandercock admits KR should have won, but individual errors meant his side lost back-to-back games following their defeat to Catalan Dragons a fortnight ago.
"We should have won that with a seven-point lead and seven minutes remaining," Sandercock said.
"But there were some really poor individual errors that let the team down.
"Not just in the final stages of the game, but throughout.
"Widnes are a dangerous side and that's why they are winning games.
"Kevin Brown is a world class player and he made us pay in the end."
Sandercock welcomed back a host of players into the line-up, with Ben Cockayne, Kris Keating, Jamie Langley and Jonny Walker returning from injury. He also handed new signing Wayne Ulugia his Super League debut.
Cockayne had a great game at full-back, while Keating's partnership with Travis Burns got better as the game went on.
Langley and Walker contributed when they came off the bench as his side looked for the win that could have taken them up into the top eight.
Sandercock said the returning players came through without mishap and that he was pleased with both their efforts and new-boy Ulugia's contributions.
"Wayne was solid in his first game for the club," Sandercock said.
"But he still has a lot of work to do on his fitness.
"The plan was always to play him for 50 minutes or so and I thought he was solid.
"The others seem to have come through okay."
Worryingly for Sandercock and Rovers was the fact that they looked tired at the end of the game when Widnes stunned them with those two late tries in the final seven minutes through experienced campaigners Jon Clarke and Brown.
Rovers had a fortnight to prepare following the 37-24 defeat at Catalans on Easter Monday, but Widnes, who beat Salford 30-20 in the cup last week, were the fresher side at the end of the game, which sparks a concern ahead of Saturday's trip to Salford.
"Maybe some of the other boys showed signs of fatigue, and that is disappointing," Sandercock said.
"Widnes probably had more energy in the final 15 minutes than us and that was a factor.
"It is disappointing considering we didn't play last weekend.
"There were a few 50/50 calls and when your luck isn't with you, they don't go your way, but it was certainly an entertaining game."
