

Dmitry Popko defeated Karen Khachanov 5-7 6-3 6-1 in the Astana CH round of 16 on hard. The upset overturned the form book — Karen Khachanov came in ranked #26, defending last year's round of 32.
No previous meetings on record.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Popko D.: 7 days rest · 1 match, 31 games (7d) · Khachanov K.: 10 days rest · 3 matches (14d). Higher means fresher. About