Although she is rated higher with a world ranking of 29th than her opponent's 72nd place, Thuy Linh still faces strong resistance from Mir.
Mir has previously been in the top 10 young tennis players in the world for a long time. In the match, Thuy Linh used a fast and diverse playing style to force Mir to deal with deep-lying plays, but the opponent's resilience caused the first set to end with a score of 21-19 in favor of Mir, after a few unnecessary errors by Thuy Linh.
In set 2, Thuy Linh adjusted her tactics, focusing on durable and accurate plays, thereby quickly winning 21 12. However, in set 3, Mir could not continue playing due to injury and had to give up when they were behind 7-0.
With this victory, Thuy Linh will face Japanese tennis player Riko Gunji, ranked 41st in the world in the semi-final. Gunji, 22, is the 2019 Women's Singles champion of the World Youth Championship.
The German Open is part of the World Tour Super 300 system of the World Badminton Federation (BWF), with a total prize money of 240,000 USD. Thuy Linh has currently won 3,480 USD and 4,900 bonus points for her achievements in the semi-finals. If she advances to the final, she will receive 9,120 USD and 5,950 points, while if she wins, the prize is 18,000 USD and 7,000 points.