Naomi Osaka ’s path back to Grand Slam glory has hit yet another roadblock. The two-time US Open champion fell short in the second round of the DC Open to Britain’s Emma Raducanu in straight sets, with her 4-6, 2-6 finish marking the latest in a string of disappointing WTA tournament losses.

Citi Open champ Leylah Fernandez and Emma Raducanu were among the biggest movers in this week's WTA rankings, while Naomi Osaka made a return to the top 50.

Naomi Osaka and coach Patrick Mouratoglou are done working together after less than a year, the four-time Grand Slam champion announced Sunday on social media. "Merci Patrick," Osaka began her post, with a photo of her hitting a practice serve while he stands nearby.

The DC Open draw will be stacked, including wildcard entries from multi-time Grand Slam champions. Headlining the wildcards are Naomi Osaka and Venus Williams. Danielle Collins and Hailey Baptiste join them.

Venus Williams is experiencing a second wind in her career after facing significant health challenges. The former Grand Slam champion made a remarkable return to court at the City