For tennis fans buzzing about a possible Serena Williams comeback, nobody’s opinion carries more weight than Sascha Bajin‘s, Serena’s long-time hitting partner and coach. Bajin, who worked with the 23-time Grand Slam champion for over eight years and even lived with her for 3.5 years, shared his exclusive reaction to the news that Serena, after more than three years away from competition, officially becomes eligible to play again on February 22, having completed all necessary filings with the International Tennis Integrity Agency.

While no one knows for sure whether Serena will step back into the spotlight, the mere possibility has sent waves of excitement through the tennis world.