Roger Federer had not lost a set before this match and few expected him to face so many difficulties even though Anderson is one of the players with the most annoying serve on the ATP Tour.

Federer surprisingly became the former king.

In fact, the Swiss player entered the match very well.

Set 2 was more tense when Anderson broke first and won the second service game to lead 3-0.

Despite winning the second set, Federer began to show signs of exhaustion when having to chase in his own service game.

Roger Federer 2-3 Kevin Anderson

The two players continued to exchange blows in the third set.

The flow of the match began to change in set four.

Anderson makes good use of the powerful weapon that comes from breaking serves.

Federer’s rather confusing self-misses appeared more frequently in the 5th set, although he still showed determination in his service games.

Federer still hit quite firmly when serving in set 5. He waited for a mistake from his opponent.

Anderson will meet the winner of the match between John Isner and Milos Raonic in the semi-finals.

Vinh San