I know that it’s natural that Federer fans are going to support the idea that he would be able to be the same in the nineties as he was in the new millennium. Hell, we Rafa fans can also argue that with his 2010 and 2013 serve he’d have chances to win Wimbledon in the nineties, given how great his volleys and smash are. He’d only need the stars to align, which they may have.
Roger got the stars to align in 2009. But it isn’t really possible to say what might have happened if players grew up in a totally different culture to the one we’re used to seeing them in. Opportunity presented itself in 2009, and if Roger found a way it was only because of that. He beat no great clay court players. If he grew up in the split culture of the eighties and nineties, it’s not necessarily guaranteed that he’d be the same player he was when the very sport itself was changed to gift more opportunity to top players in the new millennium.
Borg got the opportunity to play on grass from the back against baseliners and lesser players until McEnroe came along with a traditional and exceptional grass court game. Bjorn was great and his achievements are deservedly legendary. He was my idol, he still is. But I firmly believe he was a man of his time but he would be unlikely to have won Wimbledon if he peaked in the 80’s or 90’s.
The thing is, we can’t tell, but the mix of extreme power and expert net rushers taking his time away, would make it much more difficult. That’s as far as we can know..
Roger beat everyone he faced except Nadal in FIVE years at Roland Garros and won six clay Masters. Again, same big title record on clay as Thomas Muster, but with 4 finals - and Muster was one of the best clay courters of the 90s.
Now we could argue that Rafa was similar on grass: same number of grass Slam finals, but two wins.
The difference, though, is that clay in 2006-11 (Roger's RG final span) was a lot closer to clay in the 90s than Wimbledon grass in 2006-11 (interestingly enough, Rafa's Wim final span - the same as Roger's clay span) was to Wimbledon grass of the 90s.
The ATP deliberately slowed down Wimbledon in 2002. I don't believe they changed clay in any significant way, or at least to a significant degree. Ergo, Roger's clay results are a lot more transferrable to the 90s than Rafa's grass results.
This isn't bias. It is simple logic.
Now there could be factors I don't comprehend, but given the available info, I don't see how my reasoning isn't sound.
That said, I think Rafa would have been competitive at Wimbledon in the 90s, going deep and even making a finals or two. But he wouldn't have been Pete on grass, or at least at Wimbledon. But I don't think he could have beaten Sampras on grass, except maybe the decrepit later version and only his very best form (meaning, 2010 Rafa vs. 2001-02 Pete). Nor do I think he could have beaten Roger on grass if you place all their Wimbledon matches before 2002. Roger would have owned him like he did at the Tour Finals where he was 4-1, the only loss coming in his off year in 2013. Meaning, he would have needed an off version of Roger to beat him on the grass of the 90s.