Tweets of the week: Nick Kyrgios gets flirty with Victoria Azarenka

Serena Williams tweets about the single life, the men suit up for Davis Cup and Nick Kyrgios spent the week sleeping in and flirting with Victoria Azarenka. Here are some of the best tweets of the week.
I tried to sneak a picture of Seve and @stanwawrinka during the press conference. You think they noticed? #stealthy pic.twitter.com/o54cmSMB72
— Roger Federer (@rogerfederer) September 11, 2014
Starting tomorrow, @Tsonga7 & @Gael_Monfils will try to reach the #DavisCup Final. Here they are in 2003! #TBT pic.twitter.com/eUJQ7QYg6M
— Davis Cup (@DavisCup) September 11, 2014
Flat = Lack of effort. Emotional = Hot head. Flair = disrespecting the game. #ruined
— Nicholas Kyrgios (@NickKyrgios) September 12, 2014
Welcome to another edition of "Fireside Chats with Captain Courier." @DavisCup pic.twitter.com/ZLlUGlAKeA
— . (@GoGalasGames) September 11, 2014
Check out Severin Lüthi's Swiss racket. Pretty special, no? #ShowYourColours #DavisCup pic.twitter.com/Y6rKcdDOqb
— Swiss Tennis (@swiss_tennis) September 11, 2014
#DavisCup initiation: Team Canada style! Rookie @brayschnur is wearing this to the official dinner. #TENNISisCANADA pic.twitter.com/jq6bXQQYIe
— Tennis Canada (@TennisCanada) September 10, 2014
When the things go wrong.. pic.twitter.com/W8MUvNes9j
— Tomáš Berdych (@tomasberdych) September 10, 2014
The Serbian team at the official dinner ahead of their #DavisCup World Group play-off against India pic.twitter.com/ooF4Mv8lBz
— Davis Cup (@DavisCup) September 10, 2014
Sir Anton trying to give me a "swan neck". good luck with that. My neck is more turkey......@bbcstrictly pic.twitter.com/eFWN4GeESs
— judy murray (@JudyMurray) September 11, 2014
@vika7 you're cute mate 🙉
— Nicholas Kyrgios (@NickKyrgios) September 11, 2014
Team bus leaving at 9.15, I sleep in until 9.50. Well done Nick.
— Nicholas Kyrgios (@NickKyrgios) September 10, 2014
Davis cup dinner. #hellas #Crown #rolling #blackjack #Perth @TKokkinakis pic.twitter.com/5ZC1J1q0WH
— Nicholas Kyrgios (@NickKyrgios) September 10, 2014

Contributor, SI.com Nguyen is a freelance writer for SI.com, providing full coverage of professional tennis both on and off the court. Her content has become a must-read for fans and insiders to stay up-to-date with a sport that rarely rests. She has appeared on radio and TV talk shows all over the world and is one of the co-hosts of No Challenges Remaining, a weekly podcast available on iTunes. Nguyen graduated from the University of California, Irvine in 1999 and received a law degree from the University of California, Davis in 2002. She lives in the Bay Area.