A spot in the next round is at stake on Saturday, when Liam Broady goes up against Zachary Svajda in the London semifinal. Zachary Svajda comes in at 7 wins from the last ten. Liam Broady is 4-6 across recent matches.
There is no history here: this is their first tour-level meeting.
Zachary Svajda simply rates much higher on grass, and our number follows from it. Broady needs several things to break right at once; the percentages say they usually don't.