Fourhand is the Daily Spin's occasional roundup of various hits and misses on tour.

SIBLING REVELRY: In honor of this past Sunday’s National Siblings Day, it's worth noting that while tennis has given us the likes of Venus and Serena Williams, Bob and Mike Bryan, Agnieszka and Urszula Radwanska, and many more pairs of racquet-wielding siblings, it has yet to give us an American brother-sister pair to match such results. Enter Caty and John McNally of Cincinnati. Each went far in the recent Easter Bowl, and they might make their dents one day in what's now the Western & Southern Open. That tournament, located in Mason, Ohio, is very close to their current digs. (In fairness, it’s not exactly as if they’ve snuck up on us. Their hometown paper has praised the pair for more than a year-and-a-half.) Your move, Sara and Bernard Tomic.

DON'T PANIC: On the WTA podcast, Martina Navratilova dispelled the notion that Serena Williams should panic about starting 2016 without a title in three tournament appearances. In truth, Serena hasn't won a title since Cincinnati last August. "You still have to think that, at the end of the year, she'll be sitting on top again," Navratilova said, later adding, "There's nothing wrong with her game."

ROPED INTO IT: He fell in the Houston semifinal to eventual U.S. Men's Clay Court champion Juan Monaco, but before that, Feliciano Lopez sought to rope a (human) target. After Tennis Now presenter Blair Henley showed him how to let it fly, he didn't exactly mimic Wonder Woman's golden lasso:

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BERD ATTACK: Though he was linked last week to the Panama Papers investigation into investors' offshore accounts to hide income from governments, Tomas Berdych has won an apology from the Czech News Agency. Ad out: the prime minister of Iceland. Ad in: T-Berd.

Follow Jon on Twitter @jonscott9.