Virat Kohli slipped out of the top 20 in the ICC Test batting rankings for the first time in 10 years on Wednesday. Kohli, who turned 36 on Wednesday, last found himself outside the top 20 Test batters on the ICC rankings in December 2014. The slump back then for the former India captain had come on the back of a horror England tour where he scored 134 runs at a lowly 13.4 average across five Tests. Kohli has maintained his spot among the top players in the format since, achieving the best years of his Test career between 2016 and 2018. Kohli vaulted to the top of the ICC Test batting rankings in 2018 and then became the first Indian to have achieved the No. 1 ranking in all three formats. While the India No. 4 went past 9000 Test runs in the recent series against New Zealand, Kohli endured his worst-ever aggregate in a Test series at home where he has batted in at least six innings. Kohli aggregated only 93 runs in …