Princess Peach was known for her prowess in tennis. Her swift moves and powerful shots were a spectacle, captivating all spectators.

Her partner for the day was none other than Mario, equally passionate about the game. Yet, there was a strange rule that added an unusual twist to their matches.

The match began. The duo showcased their skills, each trying to outperform the other. But Mario knew, losing wasn't an option.

The game intensified. Peach's powerful shots were met by Mario's precise returns. However, Peach made a mistake, and they lost the first set.

Peach looked at Mario, her mouth opened, and in an instant, Mario was swallowed whole. The crowd gasped in disbelief. This was the 'strange rule' of Peach's matches.

Peach resumed the match, now playing alone. The game resumed, but the excitement had turned into confusion and fear among the spectators.

After the game ended, Peach opened her mouth again, and out came Mario, unharmed, looking as surprised as the spectators. This was a part of the rule no one understood.

This was the peculiar spectacle of Peach's tennis matches. No one knew why it happened, but they all knew, losing wasn't an option when playing with Peach.

Despite the initial shock, the crowd had grown used to the unusual rule. They cheered as Peach and Mario prepared for another match.

The sun set, casting a golden glow on the court. The duo once again locked in a fierce competition, knowing the consequences of losing.

The match ended, and Peach did not lose. They laughed and discussed the game. Despite its strange rule, it had fostered a unique bond between them.

As the day ended, the duo left the court together, ready to face another day, another game, and perhaps, another unusual rule.