Ciminelli ousted Dominic Barrett of England, 206-184 in the second TV match to face Rash. The left-hander also defeated fifth-seed, Cheah Ray Han of Singapore and 2017 champion, Yannaphon Larpapharat of Thailand, 220-186-216 in the second TV match to advance to the next match.
Yannaphon, the local crowd favourite, dispatched sixth-seed, Wes Malott of Pflugerville, Texas and Liz Johnson of Buffalo, N.Y., 225-182-193 in the opening TV match. Ciminelli earned 300,000 baht as second runner-up.
Barrett picked up 200,000 baht, Yannaphon 100,000 baht, Cheah 90,000 baht, Johnson 85,000 and Malott 80,000 baht. Svensson rolled the tournament's second 300 in the second game of the earlier Round 4 finals and topped the round with 1571, averaging an incredible 261.83.
Rash clinched second spot with 1354, 217 pins adrift while Barrett claimed third spot with 1348. Ciminelli, Cheah and Malott finished fourth to sixth positions with 1327, 1319 and 1307 rexpectively.