The World number one beat Croatian Donna Vekic 6-3 4-6 7-6 (7-4) at the Porsche Tennis Grand Prix.
Osaka will now face Anett Kontaveit, who was able to progress after Victoria Azarenka retired.
Petra Kvitova will face Kiki Bertens in the other semi-final.
Norris wins Dutch GP as Antonelli stretches his F1 lead
Lando Norris has given McLaren a third successive Dutch Grand Prix victory on Sunday in a race of shifting fortunes that had to be re-started after home hero Max Verstappen crashed on the opening lap.
F1 confirms Abu Dhabi Grand Prix will close 2026 season
Formula One will end the 2026 season in Abu Dhabi's Yas Marina Circuit, reaffirming the championship’s commitment to the scheduled calendar.
Dutch GP re-starts after Verstappen crashes on opening lap
Max Verstappen has crashed out of his home Dutch Grand Prix at the end of the first lap on Sunday, halting the race and forcing a re-start.
Man City set to sign Morocco midfielder Bouaddi from Lille
Manchester City are set to sign midfielder Ayyoub Bouaddi from French side Lille, with British media reporting the Premier League club could pay up to 100 million euros ($116.80 million) for the 18-year-old.
Chinese robots beat Usain Bolt's 100m world record at Beijing games
A Chinese humanoid robot ran 100 metres in 9.39 seconds in a preliminary heat at the World Humanoid Robot Games in Beijing on Saturday, faster than the men's world record held by Jamaican sprinting great Usain Bolt.
