It was revealed that Valieva had earlier failed a drug test, and Olympic officials are now fighting Russia's decision to let her compete.
Andy Murray started working with former coach Daniel Vallverdu this month on a short-term basis as the multiple Grand Slam winner works towards rediscovering the form that took him to the top of the world rankings.
Defending champions Germany saw off a late challenge from New Zealand to score a thumping 5-2 victory and booked a semifinal berth in the Hero Honda Hockey World Cup in New Delhi on Tuesday.
Valieva failed the test collected at the Russian national championships on Dec. 25
Kamila Valieva is one of the youngest Olympic athletes to test positive for a banned substance
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day