| GUID | Player | Team | League | Division | Joined | Abandoned |
|---|---|---|---|---|---|---|
| 0:0:37481489 | Istonian | Produce Department | ESEA | Season 9 - Open | — | — |
| 1:0:37481489 | Istonian | Descent into Madness | ESEA | Season 20 - Open | 2015-08-25 | 2015-10-20 |
| 1:0:37481489 | Istonian | Under Rated Gam... | ESEA | Season 14 - Open | 2013-05-30 | 2013-06-19 |
| 1:0:37481489 | Istonian | Team EnVision GO | ESEA | Season 15 - Open | 2013-09-18 | 2013-12-17 |
| 1:0:37481489 | Istonian | ZebGamers 1 | ESEA | Season 17 - Open | 2014-07-10 | 2014-07-14 |
| 1:0:37481489 | Istonian | Team Adversity | ESEA | Season 18 - Open | 2014-04-13 | 2015-03-07 |
| 1:0:37481489 | Istonian | SkepticaL- | ESEA | Season 18 - Open | 2015-05-31 | 2015-07-02 |
| 1:0:37481489 | Istonian | Next Threat | ESEA | Season 19 - Open | 2015-04-03 | 2015-05-31 |
| 1:0:37481489 | Istonian | SkepticaL- | ESEA | Season 19 - Intermediate | 2015-05-31 | 2015-07-02 |
| 1:0:37481489 | Istonian | SkepticaL- | ESEA | Season 20 - Intermediate | 2015-05-31 | 2015-07-02 |
| 0:0:37481489 | Istonian | Never Will Be Invite | ESEA | Season 9 - Main | — | — |
| 1:0:37481489 | Istonian | TF2 GO | ESEA | Season 11 - Open | 2012-04-07 | 2012-05-02 |