Russian tennis player Aslan Karatsev lost in three sets to world No. 126 racquet of China Zhang Zhizhen in the first round match of the tournament in Astana.
The meeting lasted two hours and 28 minutes. Karatsev had seven aces and 11 errors on the second serve. Zhizhen had nine aces and two errors.
Zhang Zhizhen (China) - Aslan Karatsev (Russia) - 4:6, 6:4, 6:1
In the next round Zhizhen will play against the winner of the pair Laszlo Here (Serbia) - Andrey Rublev (Russia).