The 6-foot Kazakh has one of the game’s best serves, which comes in handy as a way to neutralize Iga’s biggest weapon, her return.

After a fair bit of big-name carnage in Doha, Swiatek and Rybakina—the highest seeds left standing—are set for a rematch of last year's final.

There are four outstanding WTA Doha quarterfinal matches scheduled for Thursday. That includes four-time French Open champion ...