Kenneth Carlsen defeated Martin Sinner 7-5 6-4 in the Shanghai round of 32 on carpet. The upset overturned the form book — Martin Sinner came in leading the head-to-head 1–0, defending last year's round of 32. Kenneth Carlsen claimed a first win over Martin Sinner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-02-02 | Split | QF | carpet | Martin Sinner | 5-7 6-3 7-6(0) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 21). ATP, WTA & Challenger.