Friday's Cincinnati quarterfinal pits Arthur Fils against Thiago Agustin Tirante on hard. Arthur Fils is rolling — 3 straight wins, 7 of 10 in recent play. Thiago Agustin Tirante brings a 4-match winning streak into this one, 9-1 across the last ten.

Hold strength tells the story — 74.2% versus 70.3% on first-serve points in Fils's favor. The edge belongs to Fils — real, but not the kind you take for granted at this level.