Friday's Geneva semifinal pits Casper Ruud against Mariano Navone on clay. Casper Ruud has won 3 in a row and 8 of the last 10 overall. Mariano Navone is rolling — 4 straight wins, 7 of 10 in recent play.
The rivalry is dead level: 1-1 across 2 matches. On clay specifically it reads 1-0 Navone — worth more than the overall number this week.
Hold strength tells the story — 70.4% versus 62.6% on first-serve points in Ruud's favor. Ruud comes in off a compressed schedule; Navone comes in off a compressed schedule. Navone needs several things to break right at once; the percentages say they usually don't.