In the early morning of April 30, Beijing time, the quarterfinals of the ITF Challenge W100 Charleston Station were contested, and Xiyu, the Chinese Little Flower King, participated in the competition, ushering in the challenge of the top seed of the tournament, Bala. After a fierce battle in three sets, Wang Xiyu defeated the opponent ranked 105th in the world 2-1 and successfully reached the final four of the tournament, which was wang Xiyu's third consecutive tournament at least reaching the final four.

In the first set, the two broke each other's serves, and in the 4th set, Wang Xiyu broke again to take a 3-1 lead. In the 8th set, Barra saved 2 sets to save the set, and then she broke Wang Xiyu's serve in the 9th set to win the set. In the 10th set, Wang Xiyu broke in the opposing serve and won the first set 6-4.
In the second set, the two sides fought a break war, and the two sides broke each other's serves in the first six consecutive sets. In the 7th set, Wang Xiyu's serve was again broken, and the opponent took a 5-3 lead after saving the serve. In the 10th set, the opponent successfully saved the serve and won the second set 6-4.
In the first two sets of the decider, the two broke each other's serves, and in the 4th set, Wang Xiyu broke again to take a 3-1 lead. In the 5th set, Wang Xiyu saved 5 break points to save her serve, and in the 6th set she broke again to take a 5-1 lead. In the 7th set, Wang Xiyu successfully saved his serve and won the decider 6-1.
In the end, in a match that took 2 hours and 03 minutes, Xiaohua Xiyu defeated the top seed Barra 6-4, 4-6, 6-1 to reach the final four of the tournament. Wang Xiyu, who advanced to the final, gained 50 points and immediately ranked 115th in the world. If she can win the tournament, she can break into the world's top 100.