Scene 1: Tatiana’s Birthday
Prince Gremin, a distant relative, appears. He is in love with Tatiana, and Madame Larina hopes for a brilliant match, but Tatiana, troubled with her own heart, hardly notices her older relation. Onegin, in his boredom, decides to provoke Lensky by flirting with Olga who lightheadedly joins in his teasing. But Lensky takes the matter with passionate seriousness. He challenges Onegin to a duel.
Scene 2: The Duel
Tatiana and Olga try to reason with Lensky, but his high romantic ideals are shattered by the betrayal of his friend and the fickleness of his beloved; he insists that the duel take place.