This is the direct link: http://itfprocircuit.tennis-live-scores.com/

If you're using Internet Explorer in Windows 10, I suggest using Edge instead. Better still use Chrome or Firefox.

You may want to try the troubleshooting for Adobe Flash, here: https://forums.adobe.com/thread/885448
Or, update Flash altogether: https://get.adobe.com/flashplayer/

If none of that helps, and you can post a picture of exactly what you see, perhaps something else will occur to me to try.