Kolkata, Aug. 14 -- Yashasvi Jaiswal has scored heavily enough in Test cricket to have earned certainty, yet something about his record remains unconvincing. There is always another question attached to his name, another selection puzzle, another version of Indian cricket in which his place must be justified. His Test career has been remarkably productive, but it has unfolded in an environment where every return to the crease can feel like another audition. Sri Lanka, however, presents a different examination. This isn't Australia, where Jaiswal discovered how much punishment an opener must absorb before the rewards arrive. It isn't England, where he had to contend with movement, unfamiliar conditions and the peculiar pressure of an English summer. Nor is it India, where he knows the surfaces, the rhythms and, crucially, the culture of playing spin almost instinctively. Sri Lanka will ask him to do something subtler-to demonstrate that his aggressive, instinctive method can survive when spin becomes the front and centre of a bowling attack. That matters because Jaiswal's greatest gift can also be his greatest vulnerability. He has a natural appetite for scoring. He wants to put bowlers under pressure, to manufacture boundaries, to turn good balls into opportunities. It is the quality that made him such an obvious T20 prospect and one of the most exciting young Test openers in the world. But Test cricket in Sri Lanka can be an exercise in denying yourself. The spinner wants the batter to reach for the ball. The pitches are often tailormade to induce misjudgements. More often than not batters are duped into thinking attacking is the best option. Jaiswal has played plenty of spin in India, of course. His years in Mumbai, and then at Rajasthan Royals have exposed him to some of the best slow bowlers. He is hardly a newcomer to the craft. But playing spin well in India isn't quite the same as playing spin in Sri Lanka. In India, a batter often knows what he is getting-pitches that may deteriorate, spinners who become increasingly influential, and a familiarity with conditions that comes from having spent a lifetime on them. Sri Lanka offers different textures and different uncertainties. The ball can grip, drift and turn without necessarily announcing which of those things it intends to do. A batter can spend an afternoon apparently in control and then lose his wicket to a ball he had judged correctly only a moment earlier. For Jaiswal, that makes the battle psychological as much as technical. He will have to decide when to attack and when to leave. He will have to use his feet without overcommitting, sweep without becoming predictable, and resist the urge to turn every scoring opportunity into an event. If he achieves that, it could be an important evolution for him. The Jaiswal who burst onto international cricket was almost impossible to contain because he seemed to play without fear of consequence. There was something liberating about him-a fearless young opener who had travelled an extraordinary distance from his childhood to arrive at this stage. His hundred in Perth was a lesson in endurance. In England, Jaiswal demonstrated that his game could travel. His hundreds have come in different conditions and against different attacks. Yet because his Test appearances are separated by long gaps and because India's selection battles are unusually fierce, each series acquires an importance that perhaps it should not....