Eddie Lynam secured a remarkable sprint double at Royal Ascot after Slade Power stylishly claimed the Diamond Jubilee Stakes.
The Meath handler hit the target with Sole Power for a second consecutive season in the King's Stand Stakes on Tuesday and added a second Group One of the week courtesy of his talented stablemate.
Slade Power won as the 7-2 favourite under Wayne Lordan, with fellow Irish challenger Due Diligence finishing second.
Aljamaaheer was an honourable third for trainer Roger Varian and jockey Paul Hanagan.
Lordan said: "He travelled real well, I got there a little bit soon and he rolled around with me, but I had plenty left and I'm delighted.
"From early in his career he gets a little bit warm (before a race). If he wasn't doing it I'd be worried.
"It feels great. We don't come across these horses too often that can come and compete and when they win it's even better."
The 14-runner field split into two groups, but it soon became evident that the quintet on the near side were always chasing the game.
Due Diligence's jockey, Ryan Moore, was aware of this and nudged towards the middle of the track with three furlongs to run.
The War Front colt was snatched up by the winner very late in the piece, but it made little difference to the outcome - even though the stewards held a brief inquiry.
Slade Power was always handy towards the far side, where Astaire made the running before he grew a little weary inside the final furlong.
Lynam's five-year-old entire had already taken the lead by then, and was kept honestly up to his work to score by a length and a half.
Aljamaaheer was another head away in third.
The victorious trainer was winning at Royal Ascot for a third time from just four runners this week after Anthem Alexander had also hit the mark in the Queen Mary Stakes on Wednesday.
Commenting on his golden week, he said: "I just had the three best horses in their races.
"Trainers get 10% (of prize-money) for a reason - it's only 10% to do with us.
"I'm very lucky to have very good horses, very good owners, a great family to back me up and marvellous staff.
"It's been a great week and there is nowhere I like winning more than here. I love the place."
Lynam's sprint kings, both of whom are owned by Sabina Power, will now run against each other in the July Cup at Newmarket next month.
Lynam said: "Slade Power was always travelling well, but I knew he'd pull up.
"I saw a couple flying home, but we got there. Because we bred him it's special.
"They'll both go for the July Cup. Sole Power will wear the first colours as he's the elder statement and the family pet."
Due Diligence could also renew rivalry in the July Cup.
Trainer Aidan O'Brien said: "It was his first time with the older sprinters and really we couldn't be happier.
"We would have preferred the field to have stayed together. He was a little bit lonely out there and Ryan said he was wanting to drift towards them, but we're delighted.
"All the pace was on the other side, but that's the way it is, and he ran home really well.
"His last two runs were against three-year-olds and they have to step up against the hardened sprinters. We felt he would learn a lot today and hopefully he did.
"We look forward to him next time. The lads will discuss it, but it (July Cup) looks the obvious thing for him."
Varian was delighted with the effort of Aljamaaheer, who has come back to sprinting this term having shown quality form over a mile in the past.
He said: "I wished it had been six and a half furlongs.
"I believe he will have his day. It was a good run and we're now thinking of the July Course at Newmarket (for the July Cup) and the Maurice de Gheest at Deauville.
"It was only his second run of the year. It was a good run, but he hasn't quite got that sprinters' mentality.
"He's broken well, but then lost ground, he couldn't hold his position and then came home well."