Frank Willenborg is a German football referee born in Osnabrück, Germany on 10 February 1979. He made his Bundesliga debut on 20 September 2016. Willenborg is a veteran Bundesliga referee and teacher from Osnabrück. He is part of the current Bundesliga officiating pool and is regularly relevant for pre-match analysis, appointment previews and VAR-focused discussion.
In the 2025/26 Bundesliga season, Willenborg has officiated 8 league matches, averaging 20.63 fouls, 0.38 penalties, 3.75 yellow cards and 0.13 red cards per game. Those numbers point to a balanced but firm profile, with a solid middle ground in disciplinary terms. For The VAR Verdict, that statistical snapshot helps readers understand the disciplinary threshold and general tone he has shown this season.
Historical coverage is selective. We only show seasons and competitions where our sources provide enough verified referee data, so some older seasons may not be available.
Borussia Mönchengladbach
4–0
1899 Hoffenheim
FC Bayern München
3–3
FC Heidenheim
FC Koln
1–2
RB Leipzig
SV Werder Bremen
0–2
1899 Hoffenheim
VfL Wolfsburg
2–1
FC St. Pauli
Eintracht Frankfurt
1–0
FC Augsburg
FC Heidenheim
0–3
Borussia Mönchengladbach
VfL Wolfsburg
2–3
1899 Hoffenheim
FC Bayern München
4–0
SV Werder Bremen
RB Leipzig
2–0
FC Heidenheim
FC Heidenheim
0–4
FC Bayern München
1. FSV Mainz 05
1–1
Holstein Kiel
Borussia Mönchengladbach
4–0
1899 Hoffenheim
FC Bayern München
3–3
FC Heidenheim
FC Koln
1–2
RB Leipzig
SV Werder Bremen
0–2
1899 Hoffenheim
VfL Wolfsburg
2–1
FC St. Pauli
Eintracht Frankfurt
1–0
FC Augsburg
FC Heidenheim
0–3
Borussia Mönchengladbach
VfL Wolfsburg
2–3
1899 Hoffenheim
FC Bayern München
4–0
SV Werder Bremen
RB Leipzig
2–0
FC Heidenheim
FC Heidenheim
0–4
FC Bayern München
1. FSV Mainz 05
1–1
Holstein Kiel
Eintracht Frankfurt
1–2
Union Berlin
SV Werder Bremen
1–3
1899 Hoffenheim
FC Heidenheim
1–2
Borussia Dortmund
Union Berlin
0–2
FC Augsburg
1. FSV Mainz 05
2–1
FC Bayern München
1899 Hoffenheim
4–3
RB Leipzig
Holstein Kiel
1–0
FC Heidenheim
Historical coverage is selective. Only seasons with sufficient verified referee data are shown; some competitions and older seasons are intentionally unavailable when coverage is incomplete.
VAR event counts describe provider-coded incidents. They do not represent The VAR Verdict's editorial judgment on whether a decision was correct or incorrect.
