Saturday's Gstaad semifinal pits Juan Manuel Cerundolo against Raphael Collignon on clay. Raphael Collignon is 6-4 across recent matches. Juan Manuel Cerundolo has won 7 of the last 10.

Juan Manuel Cerundolo leads the head-to-head 3-0, and history has a way of mattering in matchups like this one. On clay specifically it reads 2-0 Cerundolo — worth more than the overall number this week.

Collignon's 73.9% behind the first serve (against 68.2% for Cerundolo) means break chances should be scarce in one direction. Cerundolo comes in off a compressed schedule; Collignon comes in off a compressed schedule. This one is close to a coin flip, and the lean toward Collignon is exactly that — a lean.