Naomi Osaka kicked off her grass court season on Tuesday at the Berlin Open. It had been three weeks since her first-round exit at Roland Garros, and the results were the same today.

Four-time Grand Slam winner Naomi Osaka tumbled out of the Berlin Open first round on Tuesday after Russia's Liudmila Samsonova battled from a set down to win 3-6 7-6 (3) 6-4 on Tuesday.

Naomi Osaka (JPN) reacts after winning the first set against Liudmila Samsonova (not pictured) on day three of the Miami Open at Hard Rock Stadium.Geoff Burke-Imagn Images ...

Naomi Osaka defended herself from the post-Montreal final controversy, insisting that she "completely forgot" to congratulate Victoria Mboko.

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 ...

Osaka extended an apology—and a congratulations—to the young Canadian, following the backlash to her 16-second runner-up speech.