"F-One" Thepchaiya Un-Nooh, Thailand's world number 39 snooker player, faced Ronnie O'Sullivan in the first session of the World Open 2026 snooker tournament.
On 22 March 2026, the World Open 2026 snooker tournament, held from 16-22 March 2026 with a total prize fund of £825,000 (approximately 36.1 million baht), took place in Yushan City, China. "F-One" Thepchaiya Un-Nooh, Thailand's world number 39, met England's world number 12 Ronnie O'Sullivan.
Looking back to the previous round, "F-One" Thepchaiya Un-Nooh defeated world number one Judd Trump 6-4 frames, marking his first entry into the final in six years. Meanwhile, Ronnie O'Sullivan narrowly edged out China's rising star Wu Yize 6-5 frames. The two have met three times before, with Thepchaiya winning once and O'Sullivan twice.
In the first session, "F-One" Thepchaiya Un-Nooh trailed 0-4 frames with scores of 78-0, 70-40, 129-0, 65-56, before winning five consecutive frames 83-6, 77-1, 66-52, 82-1, and 128-6 to lead Ronnie O'Sullivan 5-4 frames. The deciding session will take place at 18:30 Thailand time, with the winner receiving £175,000, approximately 7.6 million baht.