Can we call it a rivalry? I think we can, it is just a very one-sided one. They first met in the 2019 LEC Spring Split. And that was a good year to be a G2 Esports fan. They were on a tear that year, so no doubt they won against Rogue.
Lets now go and list every match Rogue played against G2 Esports.
2019 01 26 - LEC 2019 Spring - Rogue < G2 Esports (23:11)
2019 03 01 - LEC 2019 Spring - Rogue < G2 Esports (27:27)
2019 06 22 - LEC 2019 Summer - Rogue < G2 Esports (22:16)
2019 08 09 - LEC 2019 Summer - Rogue < G2 Esports (24:52)
The year Rogue got nothing. They did not get into the playoffs in Spring. They were dead last that split. They showed great improvement as a team, and climbed to 5th place in the Summer split, but got defeated by Splyce in the first match of the playoffs. Another thing to note is the speed G2 Esports beat Rogue with. 22-27 minutes for every game is a display of pure supremacy. They dominated Rogue and left them nothing.
2020 02 07 - LEC 2020 Spring - Rogue < G2 Esports (38:45)
2020 03 20 - LEC 2020 Spring - Rogue < G2 Esports (35:41)
2020 06 20 - LEC 2020 Summer - Rogue < G2 Esports (30:02)
2020 07 25 - LEC 2020 Summer - Rogue < G2 Esports (37:46)
2020 09 05 - LEC 2020 Summer Playoffs - Rogue 2:3 G2 Esports
(game 1 - 36:28, game 2 - 29:42, game 3 - 28:09, game 4 - 28:39, game 5 - 44:02)
Slightly better result for Rogue this year overall. They managed to get into the playoffs in Spring, but again got eliminated in their first match against Misfits Gaming. In Summer, Rogue managed to make a deep run in the Playoffs just to be knocked out by G2 Esports in a very close series. Most games against Rogue were a lot more difficult than previous year. And the Bo5 Series was very close. With an epic saga ending in a 44 minute game.
2021 02 13 - LEC 2021 Spring - Rogue < G2 Esports (50:18)
2021 03 05 - LEC 2021 Spring - Rogue < G2 Esports (28:37)
2021 04 10 - LEC 2021 Spring Playoffs- Rogue 3:1 G2 Esports
(game 1 - 35:55, game 2 - 32:20, game 3 - 29:06, game 4 - 32:38)
2021 06 19 - LEC 2021 Summer - Rogue < G2 Esports (39:39)
2021 07 10 - LEC 2021 Summer - Rogue < G2 Esports (27:45)
Most people will make the argument that Rogue is the best it has ever been in 2021. And I agree with them. During the Spring regular season, they lost to G2 Esports twice, but this time, in the Playoffs they knocked G2 Esports out with a 3:1 series. This was and still is the only time Rogue beat G2 Esports. Quickly though, G2 Esports seemed to bounce back and beat Rogue twice in the Summer regular split again. Maybe they will meet in the playoffs again?
Rogue 0:12 G2 Esports
Rogue 1:1 (5:4 in matches) G2 Esports
It is a very unique situation. I am not sure it ever happened in any league among the very best teams. Rogue NEVER beat G2 Esports in the regular season. 12 losses in a row. They did manage to go even, one win a piece in the Playoffs.