When do you think Nadal will outperform Federer at Grand Slams?

[McEnroeisanartist]

Updated with 2018 US Open...

Who outperformed the other in all Grand Slams since Nadal's first Grand Slam - 2003 Wimbledon - 62 Grand Slams
Federer out performed Nadal at 34 Grand Slams
Nadal out performed Federer at 26 Grand Slams
They had the same result at 2 Grand Slams

Who outperformed the other in Grand Slams they both appeared in since 2003 Wimbledon - 50 Grand Slams
Federer out performed Nadal at 26 Grand Slams
Nadal out performed Federer at 22 Grand Slams
They had the same result at 2 Grand Slams
Nadal missed 8 Grand Slams, Federer missed 4 Grand Slams

 

[Towser83]

He could do it next year, if not then probably 2020 if they're both still playing

 

[TahoeTennis]

What an original and brand new fresh thread. We need more ideas like this.