Madison Keys and Iga Swiatek are both into the quarterfinals of Indian Wells. The pair have had very different routes on their way to the last eight but both have created history in doing so.

Serena Williams dominated for years, although younger players have since emerged to stake their claim for the crown. Aryna Sabalenka is the current gold standard, with Iga Świątek next in line.

Iga Swiatek has undoubtedly made massive strides in women’s tennis. The 23-year-old has already won five Grand Slam titles ...