What player has the record for most Grand Slam matches played between 2 previous champions at a Grand Slam?

[McEnroeisanartist]

What player has the record for most Grand Slam matches played between 2 previous champions at a Grand Slam?

For example: Federer played in 10 such matches
(2004 Wimbledon - defeated Hewitt, 2005 Australian Open - defeated Agassi, 2005 Wimbledon defeated Hewitt, 2006 US Open - defeated Roddick, 2007 US Open - defeated Roddick, 2008 Wimbledon - defeated Hewitt, 2011 French Open - lost to Nadal, 2012 Wimbledon - defeated Djokovic, 2019 Wimbledon - lost to Djokovic, 2020 Australian Open - lost to Djokovic

 

[pj80]

What player has the record for most Grand Slam matches played between 2 previous champions at a Grand Slam?

For example: Federer played in 10 such matches
(2004 Wimbledon - defeated Hewitt, 2005 Australian Open - defeated Agassi, 2005 Wimbledon defeated Hewitt, 2006 US Open - defeated Roddick, 2007 US Open - defeated Roddick, 2008 Wimbledon - defeated Hewitt, 2011 French Open - lost to Nadal, 2012 Wimbledon - defeated Djokovic, 2019 Wimbledon - lost to Djokovic, 2020 Australian Open - lost to Agassi

2020 AO lost to Agassi?

 

[triforce defender]

2020 AO lost to Agassi?

Djokovic and Agassi are actually the same person.

 

[Cashman]

this seems like a really contrived question

 

[Dan Lobb]

Is this a recognized record? An all-time or just Open Era record?

 

[boredone3456]

If I understand the question correctly I'm going to guess the answer is probably Martina Navratilova given how many times she played Evert