Rant: Got stuck with an unpleasant partner for a league

Disclaimer: I know I could’ve problem carried more if I were better. unfortunately I am not. I have been playing padel for a few months and overall it’s a good experience and I’ve met a few friends at a club. I signed up for an 8-week league when they ran a promotion of free for members. The problem is that my friends are all paired up so I signed up by myself and got a random partner. I know I can get intense at competitions so I focus on being chilling and have fun at these low stake events. The partner started by telling me to excuse his age (55+, I’m 32) and his bad knee. I said it was all good. We were here to have fun after all. He then started telling me about our opponents and potential strategies. He asked if it was ok to film so he can have his coach review it later in the week. I thought “oh you are serious about this”. Then the first match started and I realized he did not go to the net after his own serve. I got put in the fridge. He started swearing at his mistakes. He made bad shot picks, like trying to hit a heavy smash while standing against the back wall, chuck it into the net and SCREAMED at himself. We got bageled in the first set and scored a few games in the second. I felt like I wasted an evening of my free time and there are 7 more of these to come. EDIT: Now that I calmed down (typing it out and interacting with the comments helped. Thanks!), I watched the recording from start to finish. My findings: 1. I made enough unforced errors to feel embarrassed about this post. 2. My backhand off the side wall sucks. (I'm a lefty playing right side) 3. I should hit more flat and less slices in a lot of scenarios. I guess that means to wait for the ball to drop a bit more before making contact? 4. The fact remains that he wasn't moving nearly as much and not to the net after serve. Now that I have things to work on, I feel more agency towards our next match and less shitty.