She was moved up in class as four-year-old and recorded major victories in both the Prix du Petit Couvert in France and the Premio Umbria in Italy.
In the following year she showed her best form in autumn, producing a career-best performance to take the Haydock Sprint Cup in England and winning the Premio Chiusura in Italy.
His other offspring included College Chapel (winner of the Prix Maurice de Gheest), Penny Drops (Sandown Mile), Sharp Prod (Moët & Chandon Rennen), Gorse (Holsten-Trophy), Port Lucaya (Premio Vittorio di Capua), Sharpical (Tote Gold Trophy) and Dark 'n Sharp (Red Rum Handicap Chase).
Racing on heavy ground and ridden by Alan Munro she took the lead approaching the last 200 metres and went clear of the field to win by two lengths from Branston Abby.
[11] Before the start of the 1994 season Lavinia Fontana was transferred to England and joined the stable of John Dunlop at Arundel in West Sussex.
[12] On 3 September Lavinia Fontana was one of eight horses to contest the Sprint Cup over six furlongs at Haydock Park and was ridden for the first time by Jason Weaver.
In a race run in driving rain she started the 11/2 fourth choice in the betting behind Owington, Unblest (Champagne Stakes) and Zieten.
[14] The mare ended her season by attempting to repeat her 1993 success in the Premio Umbria but finished unplaced behind the Peter Chapple-Hyam-trained Thousla Rock.
As a six-year-old, Lavinia Fontana did not appear until June, when she finished second to Les Boyer in the Premio Emilio Turati over 1600 metres in Milan.