A spot in the next round is at stake on Tuesday, when Fiona Ferro goes up against Mona Barthel in the Montreux round of 32. Fiona Ferro comes in at 5 wins from the last ten. Mona Barthel is 4-6 across recent matches.

Fiona Ferro is clearly higher-rated on clay — our number puts Ferro around 54%. Little separates them; Ferro gets the nod on the finest of margins.