For a measure of how famous Naomi Osaka is, look no further than how her coach Sascha Bajin is received in Japan.
Walking into Shake Shack in Tokyo for a burger, the 34-year-old German was stunned to be greeted with waves and hellos from the staff.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you