Fourhand is the Daily Spin's occasional roundup of various hits and pieces on tour. The operative word this time out: Slump.

FATHER KNOWS BEST?  Needless to say, Robert Radwanski is not pleased with daughter Agnieszka's duress (in his words, stagnation) via the coaching services of her coach, Tomasz Wiktorowski. It seems something about seeing his child drop a not-even-close singles match to Timea Bacsinszky (6-1, 6-1) in Fed Cup action. "There are really many good WTA coaches who have cut their teeth so they could take care of Agnieszka and save the day," Papa Radwanski said.

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COVERED UP  A month removed from Serena Williams' instant-classic turn on the cover of Vogue's American edition, Ana Ivanovic stars in the same spot for Serbia's own Harper's Bazaar. That appearance can't cover up the fact, though, that the Serb possesses a modest-at-best 10-7 record so far this season after suffering a straight-sets defeat to Caroline Garcia in Stuttgart this week.

WTA 40, PART DEUX  Nike has released a new campaign centered on the hashtag #BetterForIt that features its four decades of sponsoring women in sports and seeks to spur them on at all levels of competition and activity. Serena Williams, Maria Sharapova, and Li Na all play into this spotlight by way of a few iconic visuals.

ICYMI Alexandra Dulgheru's pull-back celebration with teammates upon beating Eugenie Bouchard in Fed Cup play this past weekend flew in the face of Bouchard's own snub of her at the time for a ceremonial handshake ahead of match play.

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So, WWSHD? (That is, what would Simona Halep do?)

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