Osaka ousted in US Open tuneup by world No. 76
Jil Teichmann upset second-ranked Naomi Osaka 3-6, 6-3, 6-3 in the second round of the Western & Southern Open.
Jil Teichmann upset second-ranked Naomi Osaka 3-6, 6-3, 6-3 in the second round of the Western & Southern Open.