Kvitova v Osaka – radio & text
http://www.bbc.co.uk/sport/live/tennis/46634927
<!–
<!–
<!–
<!–
<!–
<!–
Summary
- Eighth seed Petra Kvitova takes on US Open champion Naomi Osaka (08:30 GMT)
- Winner will become world number one
- Listen to BBC Radio 5 live sports extra commentary from 08:30
