| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Tennis |
 CHN |
|
|
|
Zhang Juan |
|
|
Singles, Men
(Olympic)
|
|
Match #18 |
Santiago Giraldo — Ryan Harrison |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #10 |
Ana Ivanović — Elena Baltacha |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #15 |
Mariya Kirilenko — Heather Watson |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #8 |
Angelique Kerber — Petra Cetkovská |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #15 |
Yanina Wickmayer — Anabel Medina |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match #2 |
Czech Republic 2 — Chinese Taipei |
Chair Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Match #1 |
Belarus — United States 1 |
Chair Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Match #2 |
India — Serbia |
Chair Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Match #6 |
Australia — Poland |
Chair Umpire |
|
|
|
2016 Summer Olympics
|
Tennis |
CHN |
|
|
|
Zhang Juan |
|
|
Singles, Men
(Olympic)
|
|
Match #7 |
Gilles Müller — Jerzy Janowicz |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #3 |
Poland — India |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #1 |
Elina Svitolina — Serena Williams |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #3 |
Petra Kvitová — Caroline Wozniacki |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #15 |
Lucie Šafářová — Karin Knapp |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match #4 |
Italy — Germany 2 |
Chair Umpire |
|
|
|
2020 Summer Olympics
|
Tennis |
CHN |
|
|
|
Zhang Juan |
|
|
Singles, Men
(Olympic)
|
|
Match #9 |
Diego Schwartzman — Tomáš Macháč |
Chair Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Match #20 |
Karen Khachanov — Yoshihito Nishioka |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match 3/4 |
Elina Svitolina — Yelena Rybakina |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #1 |
Belinda Bencic — Anastasiya Pavlyuchenkova |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #5 |
Donna Vekić — Aryna Sabalenka |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #24 |
Elina Svitolina — Laura Siegemund |
Chair Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Match #5 |
Japan — Kazakhstan |
Chair Umpire |
|
|
