CINCINNATI, United States (AFP) — World number two Naomi Osaka suffered one of her worst losses this season on Thursday, falling to Jil Teichmann in a third-round match at the ATP and WTA Cincinnati Masters. The 76th-ranked Swiss took the biggest upset victory of her career, defeating four-time Grand Slam champion Osaka by 3-6, 6-3, 6-3 at the final major US Open tuneup tournament. Teichmann took just over two hours to defeat Osaka, breaking the […]