Tuesday's Montreal first round pits Lorenzo Sonego against Tallon Griekspoor on hard. Tallon Griekspoor is searching for form, having lost 4 in a row (3 of the last 10). Lorenzo Sonego is 5-5 across recent matches.
Tallon Griekspoor simply rates much higher on hard, and our number follows from it. This one is close to a coin flip, and the lean toward Griekspoor is exactly that — a lean.