Emma Raducanu has never been afraid to do things differently. Without a full-time coach, the "free spirit" is thriving in Miami - and BBC Sport analyses why.
Carlos Alcaraz has a puzzle to solve, Alexandra Eala blazes a trail and Miami Open talking points - this is the second edition of our weekly tennis snapshot.
World number one Aryna Sabalenka is through to the last 16 of the Miami Open after opponent Elena-Gabriela Ruse retires injured, while there are also wins for Naomi Osaka and Coco Gauff.