#3 Christopher Henry Gayle (West Indies)
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Also known as the 'Universe Boss', Chris Gayle is third in the list of scoring double triple hundreds in Test matches.
Chris scored his first ever Test triple century against South Africa at St.John's on 29th April 2005, where he scored 317 runs. Shivnarine Chanderpaul and Ramnaresh Sarwan had partnerships with Chris of 341 and 149 runs respectively which helped WI reach a total of 747 runs.
Later in 2010, Gayle again scored 333 against Sri Lanka at Galle International Stadium which also became his highest score in all three formats. Before getting bowled by Mendis, Gayle had three big partnerships with Adrian Barath, Darren Bravo and Brendan Nash of 110, 196 and 167 runs respectively.
#4 Virender Sehwag (India)
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Known as one of the most destructive batsmen in the history of cricket, Virender Sehwag is the last on the list.
On 28th March 2004 against Pakistan, Sehwag scored his first triple hundred in Test cricket where he went on score 309 runs. Sehwag started off with an opening partnership of 160 with Akash Chopra and then with Sachin Tendulkar for 360 runs. India won this match by an inning and 60 runs.
Later in 2008 on 26th March, Sehwag scored another triple hundred against South Africa at Chidambaram Stadium, Chennai. Batting second, Sehwag had an opening partnership of 213 runs with Wasim Jaffer and then with Rahul Dravid of 268 runs. He went on to score his highest individual score in Test cricket of 319 runs in just 304 balls.
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