Day 2 at the Miami Open delivered a mix of expected wins and stunning upsets across both ATP and WTA draws. British players Emma Raducanu, Katie Boulter, and Cameron Norrie all advanced in their opening matches, while top seeds faced unexpected challenges. The hard-court tournament in Florida continues to showcase both established stars and rising talents.

The men's draw saw several high-profile upsets, with Stefanos Tsitsipas barely surviving against qualifier Arthur Fery in three sets, and Grigor Dimitrov falling to Belgian qualifier Raphael Collignon in a dramatic three-set match. American Ethan Quinn pulled off a significant win over Polish star Hubert Hurkacz, while Francesca Jones delivered the biggest women's upset by defeating seven-time Grand Slam champion Venus Williams in straight sets.

Tournament favorites navigated through tough matches, with Iga Swiatek suffering a shocking three-set loss to Polish compatriot Magda Linette in the women's draw. The Challenger Tour also saw action across multiple tournaments, with notable wins from Pablo Carreno Busta and Taro Daniel. As the Miami Open progresses, the unpredictable results suggest the draw is wide open for both established stars and emerging talents to make deep runs.