In pics: round 1 matches at World Snooker International Championship 2023

Ding Junhui competes during the round 1 match between Ding Junhui of China and Ian Burns of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, on Nov. 5, 2023. (Xinhua/Li Ran)

Ding Junhui (L) competes during the round 1 match between Ding Junhui of China and Ian Burns of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, on Nov. 5, 2023. (Xinhua/Li Ran)

Ian Burns (R) competes during the round 1 match between Ding Junhui of China and Ian Burns of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, on Nov. 5, 2023. (Xinhua/Li Ran)

Ding Junhui (C) competes during the round 1 match between Ding Junhui of China and Ian Burns of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, on Nov. 5, 2023. (Xinhua/Li Ran)

Ian Burns competes during the round 1 match between Ding Junhui of China and Ian Burns of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, on Nov. 5, 2023. (Xinhua/Li Ran)

Luca Brecel (R) of Belgium competes during the round 1 match between Luca Brecel of Belgium and Daniel Womersley of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Daniel Womersley of England competes during the round 1 match between Luca Brecel of Belgium and Daniel Womersley of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ronnie O'Sullivan of England reacts during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ronnie O'Sullivan of England reacts during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ronnie O'Sullivan of England reacts during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ken Doherty of Ireland competes during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ronnie O'Sullivan (L) of England reacts during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Judd Trump of England competes during the round 1 match between Wang Xinzhong of China and Judd Trump of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ken Doherty of Ireland competes during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Ronnie O'Sullivan of England competes during the round 1 match between Ronnie O'Sullivan of England and Ken Doherty of Ireland at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)

Judd Trump of England competes during the round 1 match between Wang Xinzhong of China and Judd Trump of England at World Snooker International Championship 2023 in north China's Tianjin Municipality, Nov. 5, 2023. (Xinhua/Li Ran)