NK
Nicolai Budkov Kjaer
1–1
head to head
Reilly OpelkaReilly Opelka
── the model's take · from Elo · neutral court

Win probability

Not enough rating data for a read.

── who holds the edge · vs the rated field

Serve & return matchup

Serve
Nicolai Budkov Kjaer
insufficient data
Reilly Opelka
97th · elite
Return
Nicolai Budkov Kjaer
insufficient data
Reilly Opelka
0th · poor

Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.

── head to head

Compare

—
model rank
#100
—
best surface
Hard
Right
hand
Right
NOR
country
USA
188cm
height
211cm
── model Elo over time

Trajectories

■ Nicolai Budkov Kjaer■ Reilly Opelka
── meetings by surface

Surface record

Clay1–0
Hard0–1
── 2 meetings

Every meeting

datetournamentsurfrdwinnerscore
2026-04-22Madrid MastersClayR128Nicolai Budkov Kjaer5-3 RET
2026-01-19Australian OpenHardR128Reilly Opelka6-4 6-3 6-4