&nbsp;<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Not often you see the #1 tennis player in the world giving lessons to kids in the neighborhood while out walking his dog in Belgrade! <a href="https://twitter.com/DjokerNole?ref_src=twsrc%5Etfw">@DjokerNole</a> is an absolute class act on and off the court! ????? <a href="https://twitter.com/atptour?ref_src=twsrc%5Etfw">@atptour</a> <a href="https://twitter.com/novakfoundation?ref_src=twsrc%5Etfw">@novakfoundation</a> <a href="https://twitter.com/hashtag/humanity?src=hash&amp;ref_src=twsrc%5Etfw">#humanity</a> <a href="https://t.co/UYY5boOZ1J">pic.twitter.com/UYY5boOZ1J</a></p>&mdash; Adam Tatalovich (@AdamTatalovich) <a href="https://twitter.com/AdamTatalovich/status/1317569517204217862?ref_src=twsrc%5Etfw">October 17, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>