Step 1: Understanding the Concept:
Tracking multi-tournament seasons requires matching specific athletic achievements to their respective timeline events within the international tennis calendar.
Step 2: Detailed Explanation:
The 2025 Women's Singles Grand Slam champions concluded as follows:
• A $\rightarrow$ 3: At the Australian Open, American Madison Keys claimed her first career Major title by defeating defending champion Aryna Sabalenka.
• B $\rightarrow$ 1: At the French Open (Roland Garros), Coco Gauff claimed her second career Grand Slam singles title by beating Aryna Sabalenka.
• C $\rightarrow$ 4: At Wimbledon, Poland's Iga Świątek captured her first-ever grass-court Major title by defeating Amanda Anisimova in a dominant performance.
• D $\rightarrow$ 2: At the US Open, world number one Aryna Sabalenka successfully defended her crown against Amanda Anisimova to secure her second Flushing Meadows title.
Step 3: Final Answer:
The correct matching sequence is A-3, B-1, C-4, D-2.