Naomi Osaka says she is battling illness ahead of the Australian Open, believing she caught a virus from her daughter. The former world number one struggled in her 6-4, 6-2 loss to Maria Sakkari at the United Cup.
Breakdown
- Naomi Osaka competed while battling a persistent cough
- Osaka hopes to recover from illness before the Australian Open 14s
- Maria Sakkari defeated Osaka in straight sets for Greece 21s
- Stefanos Tsitsipas returned from injury, helping Greece sweep Japan 30s
- Alexander Zverev leads Germany, aiming to catch up with the tour 42s