This is the 9084th most frequent Japanese word.
準々
"準々" means "quarterfinal" or "pre-semi-final" in the context of tournament stages.
The word "準々" is part of "準々決勝", meaning "quarterfinals".
準々決勝に進出することが目標です。
Advancing to the quarterfinals is the goal.
Here, "準々" again is used in "準々決勝" to indicate the quarterfinals.
彼らは準々決勝で素晴らしい試合を見せました。
They showed an amazing performance in the quarterfinals.
Once more, "準々" in "準々決勝" refers to the quarterfinal stage of a competition.