

David Goffin defeated Karen Khachanov 2-6 7-6 6-0 in the Barcelona round of 16 on clay. The upset overturned the form book — Karen Khachanov came in ranked #39, defending last year's quarter-final. David Goffin extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-05 | Montpellier | QF | hard | David Goffin | 6-4 6-4 |
| 2017-05-08 | Madrid Masters | R64 | clay | David Goffin | 6-2 7-6 |
| 2017-04-24 | Barcelona | R16 | clay | Karen Khachanov | 6-7 6-3 6-4 |
| 2017-03-06 | Indian Wells Masters | R64 | hard | David Goffin | 6-4 3-6 6-3 |
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
Khachanov K.: 5 days rest · 1 match, 34 games (7d). Higher means fresher. About
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 clay field, opponent-adjusted over 52 weeks). About