Here's a sampling of the latest social-media foibles and feats from pro tennis players and observers.

Agnieszka Radwanska always arrives at a tournament with a quiver of darts in her repertoire, but she fell today in the Nottingham semifinals to Monica Niculescu (6-0 in the third set).

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Roger Federer has issued a selective series of shout-outs to friends and one-time foes in the past week, including this one, replete with a witty rejoinder (of course) from Andy Roddick.

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And indeed, here's Federer again, this time calling on all his followers to praise the returns to court of super-friend Tommy Haas and fellow Swiss Marcos Chiudinelli.

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First, Boris Becker wrote that Federer and Novak Djokovic "don't particularly like each other."  Then he took to Twitter and penned a few posts about it, even tagging Federer in one of those tweets. Then he beckoned all to read what he really thinks in his new book.

You can't spell boorish without Boris.

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On the heels of Stan Wawrinka hitting through Djokovic in the Roland Garros final, Federer may have more than Becker to respond to soon:

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Rafael Nadal as the ATP World Tour's No. 10 player. That ain't right. (See you in New York this fall, where he has no points to defend.)

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It's true, a stat-happy tennis blogger might consider properly framing these ongoing trials of Eugenie Bouchard. It has certainly been one massive patience-building exercise for her.

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In this delightful throwback image, Ivan Ljubicic reminds us all of a time when his likeness resembled Eddie Vedder more than Andre Agassi.

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Away from Twitter: Victoria Azarenka hit a sterling tweener in practice, tagging her pal Gael Monfils in the Instagram post and surely gaining all the more support heading into Wimbledon among those who think she got slighted on a call in her French Open match against Serena Williams. Onward, Vika.

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Got a tip or a point to make? Hit me on Twitter at @jonscott9.