I don't know if this only applies to Tallon Zek, but his damage is not tracked.
I believe this is because when you get hit by TZ, it uses 'Tallon Zek tries to shoot YOU' this might be unique to Tallon Zek?
Sample of a hit and miss text from the log file.
[Sun Jun 04 22:11:57 2017] Tallon Zek tries to shoot YOU, but YOU riposte!
[Sun Jun 04 22:11:58 2017] Tallon Zek shoots YOU for 1213 points of damage.