CURRENT AFFAIRS

Detailed explanation-1: -Alexander Zverev defeated the defending champion Daniil Medvedev in the final, 6–4, 6–4 to win the singles tennis title at the 2021 ATP Finals. It was his second ATP Finals title.

Detailed explanation-2: -Roger Federer is the holder of the most ATP Finals titles, having lifted the trophy a total of six times.

Detailed explanation-3: -Garbiñe Muguruza defeated Anett Kontaveit in the final, 6–3, 7–5 to win the singles tennis title at the 2021 WTA Finals. Ashleigh Barty was the reigning champion from when the event was last held in 2019, but withdrew to prioritize her recovery and prepare for the upcoming season.