As of October 2023, among male and female tennis players with the highest grass court winning percentages over the past five years, players such as Novak Djokovic and Ashleigh Barty have stood out. Djokovic has consistently dominated grass courts, highlighted by his multiple Wimbledon titles, contributing to a winning percentage close to 90% during this period. On the women's side, Ashleigh Barty, who retired in 2022, also achieved remarkable success on grass, including her 2019 Wimbledon victory, showcasing a winning percentage similarly impressive. Both players exemplify exceptional performance on grass surfaces, making them leaders in this metric.