No. 31 seed Krejcikova secured her place in Saturday's final by overcoming No. 4 seed Elena Rybakina, the 2022 Wimbledon champion, with a 3-6, 6-3, 6-4 comeback win in Thursday's second semifinal.
On Wednesday, Musetti delivered arguably the best Grand Slam performance of his career, outlasting Taylor Fritz 3-6, 7-6(5), 6-2, 3-6, 6-1 in a quarterfinal clash at the grass-court major.
Alcaraz, 21, cruised through the opening two sets 6-3, 6-4, but faced challenges in the third set, getting broken three times by his resilient opponent and losing 6-1.
World No. 298 Kartal confidently entered the court on Friday as only the second British woman in the Open Era to reach the third round through qualifying.