In the early morning of April 23, Beijing time, the quarterfinals of the ATP Challenge CH80 Tallahassee Station were contested, and Zhang Zhizhen, a brother of the Chinese men's tennis team, competed against Wolff, who was ranked 146th in the world. After three sets of fierce battles, Zhang Zhizhen narrowly defeated his opponent 2-1 to advance to the final four of the tournament.
In the first set, Zhang Zhizhen took the lead in the 8th set to complete the break, and came to the serve to win the set 5-3. In the 9th set, Zhang Zhizhen successfully saved his serve and won the first set 6-3.
Zhang Zhizhen lost in the second set in the second set and fell behind his opponent 0-3 at the beginning. In the 5th set, Zhang Zhizhen broke the opponent's serve, but then the opponent completed the break again in the 6th set. Wolf saved the 9th set and won the second set 6-3.
In the decider, Zhang Zhizhen broke four consecutive points in the fourth set to take a 3-1 lead. In the 9th set, Zhang Zhizhen missed two final chances and was broken by his opponent. In the 12th set, Zhang Zhizhen missed five match point opportunities again, and the opponent Baofa brought the game into the seventh. Zhang Zhizhen did not waste another chance in the seventh set and won 7-2.
In the end, in a match that took 2 hours and 25 minutes, Zhang Zhizhen defeated The No. 6 seed Wolff 6-3, 3-6, 7-6 (2) to reach the final four of the event. Zhang Zhizhen, who broke into the final four, scored 30 points, and his instant ranking reached 267th in the world.