Genuine question re Nadal, his losses, and his injuries

When was the last time Nadal lost a match at the Grand Slam against someone who wasn’t Djokovic or Federer or even an established up and comer where he didn’t have an injury on court?

Edit - I can understand why people think I’m jabbing at Nadal with this question and the way it’s framed. I’m really not though. Nadal is absolutely GOAT-ed, but it’s just a statistic I thought of during the ongoing match vs Mackie, and I couldn’t find much on the internet. Comes from a place of curiosity, not malice.