Wozniacki, Berdych & more: The best of the Twitter reaction from US Open

Caroline Wozniacki edged closer to her first Grand Slam final since 2009 after the Dane beat Sara Errani to reach the US Open semi-finals.

The tenth seed won 6-0, 6-1 win in 65 minutes as she bids to win her first Major at Flushing Meadows following defeat in the final five years ago.

Elsewhere, 17-time Major winner Roger Federer sealed a comfortable win to reach the last eight, and Tomas Berydch and Gael Monfils eased into the quarter-finals.

Here is a selection of the best Twitter reaction from the professionals to all the action in New York on Tuesday.

1Oth seed Caroline Wozniacki (@CaroWozniacki) is thrilled to beat Sara Errani and reach the US Open last four: “So happy to be back in the semis at the usopen!! Thank you everyone for the amazing support!”

Meanwhile, in the men’s draw, France star Gael Monfils (@Gael_Monfils) is loving the support from his fans: ” RT ‘@martinsolveig: @Gael_Monfils c’est fait! Yeah! Keep it going bro’ merciii”

Czech sixth seed Tomáš Berdych (@tomasberdych) is hearing voices – could it be the heat? “I heard the voice at Satchmo Stadium today. Gently whispering ‘And I think to myself what a wonderful world’ #louisarmstrong #USOpen”

17-time Major winner Serena Williams (@serenawilliams) posts a picture of cooling towels and a all-round cool guy: “Mission cooling towels”

Tennis legend Patrick McEnroe ‏(@PatrickMcEnroe) gives his thoughts as he rivals his famous brother John for punditry:
“Tennis done before 11pm @usopen tonight thx to great performances from Fed and Woz. Time to catch up on some sleep tennis fans”

Finally, famous tennis coach Nick Bollettieri ‏(@NickBollettieri ) congratulates Shuai Peng on a great achievement: “Congrats to Shuai Peng for reaching the @usopen semis. Reminded me of the great @MonicaSeles10s w/2 hands playing inside the baseline.”