Joseph O’Brien rides Declaration Of War and Ryan Moore partners Mars.
Roger Charlton’s Al Kazeem goes in search of a third successive victory at the highest level.
The five-year-old has won his last four races, landing the Jockey Club Stakes at Newmarket on his only run last year, the Gordon Richards Stakes on his return to action this season and more impressively the Tattersalls Gold Cup at the Curragh and the Prince Of Wales’s Stakes at Royal Ascot.
Al Kazeem just reeled in the William Haggas-trained Mukhadram at Ascot, who benefited from what was widely acknowledged as a fine front-running ride by Paul Hanagan. He is again likely to adopt positive tactics for the rematch this weekend.
Some four lengths behind that pair was John Gosden’s filly The Fugue, who was having her first run of the season. She is expected to strip much fitter but no filly has won this contest since Kooyonga in 1992.
German challenger Pastorius adds further spice, having won the Prix Ganay earlier in the season, and Clive Brittain’s Miblish completes the septet.
Meanwhile, Riposte, who gave Lady Cecil the first of her two victories at Royal Ascot when running away with the Group 2 Ribblesdale Stakes, looks likely to be added to the field for the Darley Irish Oaks at the Curragh on July 20.
Connections are considering paying the €40,000 supplementary fee for the Classic, which would set up an intriguing clash with Epsom Oaks winner Talent.
Battle Of Marengo is set to tackle the Grand Prix de Paris at Longchamp on Saturday week.
The Aidan O’Brien-trained colt finished fourth behind stablemate Ruler Of The World in the Derby at Epsom but could finish only second when dropped to Group Two company for the King Edward VII Stakes at Royal Ascot.
* Irish amateur John Barry was given a hefty suspension at Perth yesterday.
Riding City Line for County Dublin trainer Karl Thornton in the the Watch All Scottish Racing Live On Racing UK Novices’ Handicap Hurdle, Barry was beaten threequarters of a length into second by Morning Time (4-1).
However, the stewards found he had used his whip above the permitted level and he will be notified of the dates for an 11-day ban.
Gordon Elliott continued where he left off on Wednesday with yet another winner.
Following the Meath trainer’s 188-1 treble on Armed Forces Raceday at the Scone Palace track, it was just the one on Independence Day.