Spanish magazine Hola! reports that Nadal was sppotted checking out his lover’s baby bump under her swimsuit on board the yacht during a holiday.
Rafael’s childhood sweetheart was rumoured to be pregnant after she started wearing more loose-fitting clothes.
She was also seen on a face mask at the Champions League final between Liverpool and Real Madrid.
The 33-year-old and his 22-year-old wife dated for 14 years before getting married in October 2019.