Naomi Osaka grinds it out to see off Siniakova’s stubborn US Open challenge

Former champion into third round with 6-2, 5-7, 6-1 win ‘I hope to continue making good memories here’ For a second consecutive match at the US Open, Naomi Osaka appeared to be cruising. Everything was in hand as the two-time champion established a set and a break lead in her round two match against Katerina Siniakova,