http://www.apnewsarchive.com/2015/El-bicampe-n-John-Isner-avanza-a-las-semifinales-en-Atlanta/id-adea49a0710644e7b268938514254afa
http://www.apnewsarchive.com/2015/El-bicampe-n-John-Isner-avanza-a-las-semifinales-en-Atlanta/id-adea49a0710644e7b268938514254afa