Career
The next year, 1890, fortunes were reversed when Jacks beat Shackle in the final in three sets. Jacks and Shackle also met in the final of the 1891 women"s singles events at the British Covered Court Championships. During both these years only seven women took part in the singles event and both times Shackle lost the all-comers" final in straight sets to Blanche Bingley, who on both occasions would lose the challenge round to Lottie Dod.
She did not compete in the doubles or mixed doubles events at Wimbledon.
Shackle was a baseline player and her game was based on accuracy and steadiness. She was the first known ambidextrous tennis player.
In addition to lawn tennis she also competed in table tennis.