Not Sure

I was playing official match against unknown 3on3 team for me. There was one guy in opposite team, who always knew where we are. I started to check and found that his guid is really new.

This is his current guid
http://www.yawn.be/findPlayer.yawn?gamecode=ET&etproGuid=C6A7206011584493E67CB7F67796AD9C4BDDB2DA

His previous guid

http://www.yawn.be/findPlayer.yawn?gamecode=ET&etproGuid=B5A7206011584493E67CB7F67796AD9C4BCCB2DA

No other previous accounts under the same name. Clipse gives one match and Mbudget gives a bit more all with different serial.

You can download his demos from
http://www.esl.eu/de/et/3on3/ladder/download/1854241/

If you check their sw_grush defence at 6.29 is very strange moment. He shoots through wall, but I guess it is normal nowadays ?
http://www.esl.eu/de/et/3on3/ladder/download/1854241/

I just would like to know your opinions about this.

I am quite sure ESL doesn't care at all and making a match conflict is quite pointless.