Her two-round total of 134 was 10 under par and set a new standard for the 36-hole tournament, which was contested by a high-quality field at Liphook, Hampshire.
Holly shot 69 and 65, and her seven-under par afternoon score equalled the ladies’ course record. She was three shots clear of her closest challenger, Charlie Douglass of Hertfordshire.
Holly has been in fine form all year. She has previously won the Portuguese amateur championship, the St Andrews junior ladies’ open and her county championship.
Leading scores: 134 Holly Aitchison (The Bedfordshire) 69, 65. 137 Charlie Douglass (Brocket Hall) 66, 71. 138 Hannah Barwood (Knowle) 68, 70. 140 Hannah Ralph (Cowdray Park) 69, 71. 142 Charlotte Ellis (Minchinhampton) 70, 72. 145 Georgina Hunt (Lewes) 74, 71.