Mustameet just held the storming late run of Ace to land the ladbrokes.com International Stakes at the Curragh on Saturday.
Kevin Prendergast's charge kept on strongly in the closing stages to prevail by a head from the well-backed 5/4f in the Group 3 event.
Declan McDonogh had hit the lead over a furlong from home on the entire and he galloped resolutely to the line to notch his fourth win of the year.
'He stuck at it well and has been a great servant for a horse that's broke down twice,' said Prendergast.
'I don't know where we'll go with him now but there might be a race for him at Deauville in August.'
Osterhase (9/4 to 6/4f) was well-supported in the Ladbrokes Rockingham Handicap and showed great determination to battle back in the closing stages under his welter burden of 10st 3lb.
Fran Berry's mount showed his usual trail blazing speed but looked in trouble when headed by Leitra at the furlong pole.
The John Mulhern-trained gelding displayed terrific courage to claw back that rival close home, however, and score by a head.
Alexander Tango has the Group 1 Moyglare Stakes as a target after making an impressive debut in the opening Ladbrokes.com EBF Fillies Maiden.
Tommy Stack's filly showed a smart turn of foot in the final furlong to score by two-and-a-half lengths from In Safe Hands.
Mrs Gillow gained due reward for her consistency when taking the Labrokes 1800 777 888 Handicap.
Tom Molloy sent the mare into the lead just under two furlongs out and she soon went clear to beat the well-backed Summer Soul (5/1 to 11/4) by two lengths.
Tubbertown Rose held off Stravinskaya by a neck in the closing stages to come out on top of the cavalry charge for the labrokespoker.com Handicap.
Sling Back and Kleinova fought out a good finish to the Ladbrokes Total Betting Service Handicap with the former getting home by a head.
Kieren Fallon, out of luck on Ace in the feature, finished the day on a high note when Soar With Eagles took the Gyproc Maiden.