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

Andy Murray tweaked pal Thanasi Kokkinakis for not really knowing him in an ATP World Tour Q&A ...

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... and then handled some small-scale spite from a follower with aplomb.

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Needless to say, Victoria Azarenka was still less than thrilled about a certain line-call overrule's impact after her three-set loss to Serena Williams.

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Throwback tweet: This from Sascha Bajin after Vika's similarly dramatic three-set loss to Serena in Madrid earlier in May.

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During that instantly-famous third-round encounter, NBC Sports elected to inform viewers that Patrick Mouratoglou is Williams's boyfriend. (Player and coach both have begged off speaking about any such relationship.) A pair of tweeters who saw the still image spoke to a different graphic in its top-right corner:

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When all was said and done in the match, Williams had become the first WTA Tour player to earn 50 singles victories at each of the four major tournaments:

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Little-known Belgian player Alison Van Uytvanck, the WTA's No. 88 pro, slipped into the second week at Roland Garros and has an extraordinary chance to make the quarterfinals when she faces fellow unseeded player Andreea Mitu (a Romanian ranked No. 99). Knowing that, witness this fantastic vignette between her and her coach:

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Van Uytvanck's rise comes via a Houdini trick or two:

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Andrea Arnaboldi would lose to Marin Cilic in straight sets in the second round, but what a beginning:

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Jerzy Janowicz defeated Maxime Hamou in a contentious first-rounder that was not without a highlight forehand pass and a still-steaming handshake:

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In one of the most subtle streaks in tennis, Rafael Nadal never fails to deliver a potent quotable in every press conference:

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Kim Clijsters was among those excited by the latest encounter between former French Open champs Francesca Schiavone and Svetlana Kuznetsova. (The former won 10-8 in the third set.)

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Justin Gimelstob appeared to start an argument with Patrick McEnroe over his response to a tweet by stat-happy sports-business reporter Darren Rovell about ATP wages:

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Alize Cornet was nonplussed by a WTA dispatch framing Williams and Sloane Stephens as first-name-only stars.

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Andy Roddick expressed his elation at early returns for John Isner and Jack Sock, the latter of whom gets fellow forehand-spinmeister Nadal in the fourth round.

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Leave it to a Toronto Star sportswriter to encapsulate everyone's thought on Eugenie Bouchard's slide in one sentence:

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One-time Maria Sharapova vanquisher Daria Gavrilova poses a question. (Based on my history with Tim Horton's in Canada, I want to say the answer is yes.)

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Bethanie Mattek-Sands was astounded by Tommy Haas' repeated returns to power from lowly point totals in the men's game:

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Carla Suarez Navarro puckered up at the site of the Eiffel Tower, though Flavia Pennetta would later give her a straight-sets kiss-off:

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More than a few tweeters noticed the unique styles sported by Roland Garros ball girls, wondering aloud whether Mattek-Sands was behind the look:

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Azarenka's former beau, the illustrious and attention-grabbing Redfoo, made a mid-Slam announcement alongside the USTA:

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Billie Jean King spoke in superlatives, as is her wont, in mourning a stateside university's removal of its men's tennis program:

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Insta-Slam: That time Novak Djokovic attended an AC/DC concert in Paris.

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