They are very good friends outside of the track.

And now Caroline Wozniacki and Serena Williams show off what they can, within kridtstregerne.

The two tennis stars will - for the first time ever, play doubles together at the WTA Auckland Open in 2020.

It confirms they are both two to the tournament website.

"We have been waiting for it for a long time (to play double together, red.), but it has just not cared for together. So I'm really glad it's finally happening and so to one of my favorite tournaments. It will be so much fun," says Caroline Wozniacki.

the Same enthusiasm is there with her american friend, who usually plays doubles with her sister Venus Williams.

"I can't wait to play with Caroline, she is one of my best friends, and I'm just so glad that it is possible for us to play the tournament together, before she put the racket on the shelf permanently," says Serena Williams, with reference to Caroline Wozniacki stops his career after the Australian Open in January 2020.

Subsequently, playing the dane a afskedskamp, and it is also against just Serena Williams - it is 18. may the next year in the Royal Arena, and there is already a long waiting list for the event, which is already sold out.

the Organizer behind the WTA Auckland Open is also pleased it has managed to get the two stars put together, before it would be too late.

"I think it is something the fans have been waiting on for a long time," says the director, Karl Budge, and continues:

"To have Serena and Caroline on the track at the same time - on the same side of the net - is a wonderful opportunity for that fans can see history being written," says.

Caroline Wozniacki and Serena Williams has taken together 102 WTA titles in singles, 24 grand slam titles, and they have together been number one in the world in 390 weeks.