Boulter loses to Siniakova in Japan Open semis Katie Boulter lost to Katerina Siniakova in the semi-finals of the Japan Open on Saturday. Read the full story at Sky Sports: https://www.skysports.com/tennis/news/12040/13603005/katie-boulter-loses-to-katerina-siniakova-in-straight-sets-in-semi-finals-of-japan-open
By Sky Sports