Longest rally! (45 shots) HSBC BWF World Tour Finals 2023 | Group A | Hangzhou, China | 14 December 2023 Women's Singles An Se Young (KOR) [BWF:1] vs. Gregoria Mariska Tunjung (INA) [BWF:7] 2-0 (21-14, 21-16) Follow us on YouTube : https://www.youtube.com/