Yegor Alekseyevich Gerasimov or Yahor Alyakseyevich Herasimaŭ is a Belarusian professional tennis player. He has a career high ATP singles ranking of World No. 65, which he achieved on 24 February 2020. He also achieved a career high ATP doubles ranking of World No. 263 on 2 March 2015. He is the current No. 1 Belarusian player.

The 2020 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2020 tennis season. The 2020 ATP Tour calendar was composed of the Grand Slam tournaments, the ATP Finals, the ATP Masters 1000, the ATP Cup, the ATP 500 series, the ATP 250 series, and the Davis Cup. Also included in the 2020 calendar were the tennis events at the Next Generation ATP Finals, and the Laver Cup, neither of which distributed ranking points. Several tournaments were suspended or postponed due to the COVID-19 pandemic, including the Summer Olympics in Tokyo. On 17 June 2020, ATP issued the revised calendar for Tour resumption.