Monday's US Open round of 16 pits Karen Khachanov against Learner Tien on hard. Learner Tien has won 7 of the last 10. Karen Khachanov has won 3 in a row and 5 of the last 10 overall.
Learner Tien is clearly higher-rated on hard — our number puts Tien around 61%. Expect resistance, but the match-level math tilts clearly toward Tien.
The numbers behind the pick
Serve
| Serve (last 52 weeks) | Karen Khachanov | Learner Tien |
|---|
| 1st serve in | 62.7% | 61.7% |
| 1st serve points won | 72% | 68% |
| 2nd serve points won | 51.7% | 48.9% |
The rest of the numbers
This page shows one set score: the most likely way our pick wins. Pro puts a number on every other score the match could end in, including the ones where our pick loses.
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