Head to Head
| LOL - OPL Split 2 | 2019/08/02 09:00 | MAMMOTH v Chiefs Esports Club | 0-1 |
| LOL - OPL Split 2 | 2019/06/29 06:00 | Chiefs Esports Club v MAMMOTH | 1-0 |
| LOL - OPL Split 2 | 2019/06/07 09:00 | MAMMOTH v Chiefs Esports Club | 1-0 |
| LOL - OPL Split 1 | 2019/03/16 05:50 | Chiefs Esports Club v MAMMOTH | 1-0 |
| LOL - TCL Winter | 2019/02/15 08:00 | MAMMOTH v Chiefs Esports Club | 1-0 |
| LOL - TCL Winter | 2019/02/02 05:00 | Chiefs Esports Club v MAMMOTH | 1-0 |
| LOL - OPL Split 2 | 2018/08/04 07:00 | MAMMOTH v Chiefs Esports Club | 0-2 |
| LOL - LLA Apertura | 2018/06/15 07:00 | Chiefs Esports Club v MAMMOTH | 2-0 |