Unfortunately I have to pull out of the ATP Cup and the Aussie Open.Source：Kei Nishikori (keisapp.com) - December 29, 2019 3:37 PM
Additional player update: Kei Nishikori has withdrawn from the New York Open due to injury.Source：Official website - New York Open - JANUARY 24, 2020
FEBRUARY 7, 2020, DELRAY BEACH, FL - Today, the Delray Beach Open by VITACOST.com announced that Kei Nishikori is withdrawing from the 2020 event due to an elbow injury.Source：Official website - Delray Beach Open - 13:22h
The 2020 BNP Paribas Open will not be held.Source： BNP Paribas Open Official Twitter - 2020.03.09 10:42 JST
The suspension means all ATP Tour and ATP Challenger Tour events scheduled up to and inclusive of the week of April 20 will not take place.Source： ATP Tour Official Website Press Release - 2020.03.12
The Roland-Garros tournament will be played from 20th September to 4th October 2020.Source：Roland-Garros Official Twitter - 2020.03.18 0:48 JST
Due to the continuing outbreak of COVID-19,all ATP and WTA tournaments in the Spring clay-court swing will not be held as scheduled.Source：Twitter, Official account of the ATP Tour - 2020.03.19 3:10 JST
It is with great regret that the AELTC has today decided that The Championships 2020 will be cancelled due to public health concerns linked to the coronavirus epidemic.Source：Twitter, The official account for The Championships - 2020.04.02 0:00 JST
The ATP and WTA have jointly announced the continued suspension of the ATP and WTA Tour until July 13, 2020, due to the ongoing #COVID19 pandemic.Source：Twitter, Official account of the ATP Tour - 2020.04.02 0:13 JST
Tokyo Olympic Games (Suspended) Tokyo, Japan 2020.07.25 - 2020.08.02Source：Official Site of Men's Professional Tennis > Tournaments > Calendar
The ATP has extended the suspension of the ATP Tour through to July 31, 2020 due to the ongoing #COVID19 pandemic.Source：Twitter, Official account of the ATP Tour - 2020.05.15 23:00 JST
出場予定大会ではありません。
gooブログでは onmouseover onmouseout が使えないので GIF animation としました。
Keep your eye on the ball ATP Ranking Forecast xlsx File 有識者会議