A spot in the next round is at stake on Monday, when Learner Tien goes up against Luca Van Assche in the Vienna round of 32. Learner Tien is 5-5 across recent matches. Luca Van Assche is searching for form, having lost 3 in a row (4 of the last 10).

There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Tien — real, but not the kind you take for granted at this level.