Tereza Valentova defeated Katie Volynets 6–2, 6–4 in the first round of the Miami Masters 1000 on hard court on 19 March 2026. Valentova, the pre-match favourite at 1.55 odds, converted her status into a convincing victory, breaking serve consistently and controlling the tempo throughout both sets. Volynets, despite entering as the underdog at 2.36 odds, struggled to establish rhythm against her opponent's aggressive baseline game. The Czech player's superior court positioning and shot selection proved decisive in securing the win with minimal resistance. Valentova's dominant performance keeps her on course in Miami's main draw.