| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2020 Summer Olympics
|
Tennis |
 GER |
|
|
|
Timo Janzen |
|
|
Singles, Men
(Olympic)
|
|
Match #5 |
Karen Khachanov — Diego Schwartzman |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #8 |
Liam Broady — Hubert Hurkacz |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #3 |
John Millman — Lorenzo Musetti |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #5 |
New Zealand — Netherlands |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #4 |
Great Britain 1 — Argentina 1 |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #6 |
United States 1 — Australia 1 |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #11 |
Maria Sakkari — Nina Stojanović |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #10 |
Donna Vekić — Caroline Garcia |
Chair Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Match #4 |
Australia — Greece |
Chair Umpire |
|
|
|
2024 Summer Olympics
|
Tennis |
GER |
|
|
|
Timo Janzen |
|
|
Singles, Men
(Olympic)
|
|
Match #4 |
Carlos Alcaraz — Tommy Paul |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #5 |
Casper Ruud — Francisco Cerúndolo |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #8 |
Taylor Fritz — Jack Draper |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #1 |
Novak Đoković — Matthew Ebden |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #18 |
Andrea Vavassori — Pedro Martínez |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #6 |
Netherlands 2 — Argentina 2 |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #14 |
Marta Kostiuk — Clara Burel |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #13 |
Emma Navarro — Julia Grabher |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match 1/2 |
Italy 1 — Individual Neutral Athletes 1 |
Chair Umpire |
|
|
