Niels Visker defeated Svyatoslav Gulin 6-7 7-6 6-3 in the Bunschoten CH qualifying round 1 on clay. The upset overturned the form book — Svyatoslav Gulin came in leading the head-to-head 1–0. Niels Visker claimed a first win over Svyatoslav Gulin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-01 | M15 Kamen 1 | SF | clay | Svyatoslav Gulin | 5-7 6-4 6-1 |
Averages over each player's completed matches in the selected window (34 vs 24). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About