The US Open Tennis Championship, one of the most significant events in the sporting calendar, garners global attention every year. Tennis stars like Serena Williams, Rafael Nadal, and Novak Djokovic battle it out on the hard courts of Flushing Meadows, New York. Yet, while tennis fans all over the world, including many in Hong Kong, are engrossed in the high-stakes matches, there's another arena where stakes are high, and the game is continually evolving – the business software sector, particularly Human Resources (HR) systems.