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

HE SAID WHAT? Steve Simon, the WTA Tour's new chief executive officer, "goes bold" (his own words) and says he hopes that Serena Williams will play pro tennis for another 10 years.

HUMBLESNAG  Speaking of Serena, she has seized four Olympic gold medals to date in her career, and she happened upon one of them, a doubles gold won alongside sister Venus, recently whilst cleaning her residence. Commence humblebrag.

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TWEEN DREAM  Dominic Thiem carved out a nifty tweener shot in his China Open match against John Isner. The big-serving American topped the young Austrian in straight sets, however, again showing that it's about winning the war, not the more stylish, brief battle.

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MR. KOKKINAKIS IF YOU'RE THANASI Eager to put his name in the Stan Wawrinka-Nick Kyrgios tiff behind him, Thanasi Kokkinakis served as guest editor of the ATP World Tour's weekly Insider. In answering fans' questions, he dished on his relationship with and advice from Lleyton Hewitt, the best match he's ever witnessed, and who he'd like to coach him among all tennis players.

BONUS: FOGGY NOTIONS  Martin Klizan and Jo-Wilfried Tsonga took different tacks in noting the smog affecting players in Beijing this past week. Tsonga demurred when pressed to say the reason he felt dizzy during a match was because of air pollution. Meanwhile, Klizan took to Facebook, in a post since deleted, to say that he coughed uncontrollably midmatch, vomited afterward, and would be leaving the China Open event off his own calendar for the remainder of his career.

Follow Jon on Twitter @jonscott9. News tips gladly accepted. Serving tips kindly refused.