Tai Tzu Ying and Ratchanok Intanon will compete in their fourth Olympics at Paris. But it is to their infinite and enduring credit that two of the most elegant and exciting shuttlers of the last decade, have made badminton in intervening years between the Games, enchanting. The big medals might have moved from one boxed and structured game of Carolina Marin to Chen Yufei to perhaps Paris favourite An Se Young next. But for pulling in badminton watchers week after week, season after season and elevating women’s singles to breathless tear-streaking gleeful art, you needn’t look beyond TTY and Ratchanok. India’s former international Aparna Popat reckons this is a summer to savour the last of their brilliance, and be silently grateful for having witnessed them in action. This will be as big a set of retirements as Roger Federer’s, and Federer was indeed the TTY and Ratchanok of tennis – in how they get imprinted on the mind, not just the names engraved on trophies. That badminton had two artists, zephyrs on a hot sticky …