Japan's Yuichi Sugita and Frenchman Adrian Mannarino will contest the final of the Antalya Open after coming through their respective semi-final matches on Friday.
Sugita, who normally plies his trade on the Challenge Tour, has excelled in Turkey this week and will vie for his first ever ATP World Tour title on Saturday after overcoming Marcos Baghdatis.
The 28-year-old Japanese player was leading Baghdatis 6-3, 6-7 (7-9), 4-1 when the Cypriot retired due to dehydration.
After taking the first set pretty comfortably, Sugita lost a tight second, but by the time Baghdatis retired, the Japanese player had gained the upper hand.
Sugita already reached a career-high world ranking of 64 earlier this month – thanks in part to winning three titles on the Challenge Tour – and that is certain to improve further following this week's action.
Awaiting Sugita in the final is Mannarino, who defeated Andreas Seppi 6-4, 6-4.
Mannarino wasted five set points in the opening set but finally succeeded with his sixth. He then rallied from a break down in the second to secure the straight sets victory.
The Frenchman has never won on the ATP World Tour either, so someone will be clinching their maiden title on Saturday.