It seems that if you do a google search for <wikitree, DNA GEDmatch> it will turn up the Help: GEDmatch - Wikitree page which has the URL of www.wikitree.com/wiki/Help:GEDmatch and there's another page www.wikitree.com/wiki/Help:How_to_Get_Started_with_DNA and very likely other referrals to other pages will be found
The best I could come up with is the google search:
It still results in 345, which is a lot but gives you something to work with. (Don't forget the quotes around 'compare', or you will get over 5400, with variants of 'compare'.)
https://www.wikitree.com/index.php?title=Special:DNATests&s=Ryan