Rudolf Niklas Christiansen advanced when Dominique Graf retired 6-4 3-1 in the M25 Ueberlingen 1 qualifying round of 16. Rudolf Niklas Christiansen claimed a first win over Dominique Graf in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-20 | M15 Heraklion 6 | Q16 | hard | Dominique Graf | 6-3 6-3 |
Averages over each player's completed matches in the selected window (2 vs 3). ATP, WTA & Challenger.
wins 57% of points on serve vs Graf D.
wins 57% of points on serve vs Niklas Christiansen R.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About