Tallon Griekspoor defeated Miomir Kecmanovic 6–7, 6–4, 6–3 in the first round of the Indian Wells Masters on hard court on 5 March 2025, producing an upset against the pre-match favourite. Kecmanovic, seeded higher in the betting odds at 1.83, could not maintain his advantage after a tight opening set that went to a tiebreak. Griekspoor, the underdog at 2.07, recovered to dominate the second and third sets, breaking Kecmanovic's serve twice in the final frame to secure the victory. The Dutch player's comeback performance demonstrates his capacity to compete against top-ranked opponents in Masters 1000 events and sets up a second-round clash at the California hard-court event.