In all honesty I'm not sure if this is an issue with the mod or game itself but I figured as I'm running the mod I'd ask here first

My character is a 16 year old junior on the cusp of going pro. I started in 2017 and am now in January 2020 with 85 pro tour ranking points. Was planning on spending the first half of this game year playing in Futures, Challengers and ATP qualifiers to build my points up to hopefully around 250 and then turn pro after having one more shot at the Wimbledon juniors.
Currently my save is in Quali R3 of an ATP250 and I'm up against Dalwinder Singh. He's ranked 657 in the world and... well, look at his stats :O I don't understand what's happened here. In the current tournament he's blown away the other AI opponents 6/0 6/1 and it feels like it must have happened more or less overnight because his previous results haven't really gotten him past Qualifying R1/R2 (with the exception of the Indian Futures in week 51/52). Naturally I'm getting destroyed and whilst I have no problem with losing, I have a problem with things being unrealistic. At this rate he's going to go from #657 to putting Nole and Rafa to sleep inside the year. His stats are actually higher than both of those two!
I can't see that it's happened to any other AI player although I have only had a brief look around my ranking.
I have recently moved from Pro-5 to Pro-6 as a difficulty and have been moving up the stages every time I've won a title. This time last game year I was probably around Pro-1 or maybe slightly lower - could this raising of the difficulty have something to do with it?
Is there an explanation for this sudden explosion of stats and performance? It feels really off. Is it fixable? :/ I tried to modify the original player data to make it more realistic, but even if I put every stat for him at 1% it only took Singh's stats down to a general average of 86/87%.
Thanks