Serena swept Sharapova in the first round and then passed the test of two young players. In the fourth round, she was challenged by Croatian player Martic, who entered the US Open 16 for the first time. This is the first time the two have met.
Serena led 40-0 at first, but then lost 5 points and was broken, but Martic was also broken by Serena. Subsequently, the two kept their own serve respectively. At the end of the game, Martic's key game was broken, Serena entered the serve 5-3 to win, and the Americans scored 4 points in a row under the condition of 15-40, and won 6-3.
In the second set, Serena broke the lead by 3-2 in the fifth game after each guaranteed 2-2 in the opening, and then Serena easily guaranteed the serve and pulled the score to 4-2. In the seventh game, Martic stubbornly guaranteed that the serve would catch up with 3-4 when he was 0-40 behind. However, neither of them broke again, so serena won the serve, and won the second set 6-4 to advance to the quarterfinals against China.
In other competitions, British elder sister Conta 6-7( 1), 6-3 and 7-5 reversed No.3 seed Pliskova and advanced to the quarterfinals of the US Open for the first time. All four Grand Slams have reached at least the quarter-finals, and she has reached the quarter-finals in three consecutive Grand Slams. Next, she will be the winner between Svetlina and Keith.