In political rallies, Senate hearings and voter surveys ahead of Monday's midterm elections in the Philippines, China has been an overwhelming — and unusual — presence.

The shadow of its giant maritime neighbor has loomed over the Philippines for years, but as the country's two most prominent political clans flex their muscles in the usually low-key process to pick senators and local government leaders, relations with China have emerged as a political lightning rod.

The outcome could end up shaping the country's strategic positioning over the remaining half of President Ferdinand Marcos Jr's six-year term, which began in 2022.