Here is Xiaofei Wang of China using straps in the 2020 World Championship
Madison:
https://www.theguardian.com/sport/ga...ps-in-pictures
It's not a Pursuit event, but it's proof that top riders are using them in endurance events. I haven't found a gallery of Pursuit events.
EDIT: Apparently she also occasionally rides TP for China:
https://www.the-sports.org/xiaofei-w...spf477240.html
https://en.wikipedia.org/wiki/Cyclin...s_team_pursuit