Okay, then. BAT - GUN - KICK if you prefer. No one knows exactly what went down that night except for OP. The "basis in evidence" to which you and Masipa subscribe is simply Oscar's own version of events, artfully re-ordered by Roux in his timeline.
I did not find Oscar to be a credible witness which leads me to consider other possible scenarios for how the toilet door was damaged. I have learned he is a man prone to jealous rages, capable of indulging in frightful full-on uncontrolled outbursts of temper, that he is controlling and obsessive in his relationships with women, and can be aggressive, bullying and confrontational, particularly when alcohol is involved. We have recently learned he was engaged in a lengthy (for him) phone conversation with his long-term ex-girlfriend Jenna Edkins even as he drove up to his house that evening. After which it was said he left Reeva alone downstairs preparing dinner while he went upstairs, bathed and watched a little




, IIRC. It is not exactly reaching to find his version of events less than the most likely scenario for what happened that night.