India, Aug. 25 -- Men's singles has entered an unusually open phase, with a deepening pool of contenders making sustained dominance increasingly difficult to imagine, according to several leading players, including new World Badminton champion Alex Lanier of France and world No. 7 Victor Lai.

The evidence is not just in the names at the top of the rankings but in the uncertainty surrounding almost every major tournament. The gap between the established elite and the chasing pack has narrowed considerably, while the physical demands of the modern men's game have made consistency across an entire season increasingly difficult.

"It's a tough question, but I definitely feel that this is a different period," said Lanier when asked whether it...