Hope you read the first part: https://abn397.wordpress.com/…/07/centuries-in-both-inning…/
A few other points of interest from the main table: http://stats.espncricinfo.com/ci/engine/stats/index.html?class=1;filter=advanced;opposition=1;opposition=2;opposition=25;opposition=29;opposition=3;opposition=4;opposition=40;opposition=5;opposition=6;opposition=7;opposition=8;opposition=9;orderby=start;qualmin1=2;qualval1=hundreds;size=100;spanmax1=25+Oct+2019;spanval1=span;team=1;team=2;team=25;team=29;team=3;team=4;team=40;team=5;team=6;team=7;team=8;team=9;template=results;type=batting;view=match
CAG Russell (1923) made centuries in each innings in his last Test.
These players made their only two centuries in the same Test:
J Moroney (Aus)-1950
Wajahatullah Wasti (Pak)-1999
Yasir Hameed (Pak)-2003 (on debut)
PG Fulton (NZ)-2013
SD Hope (WI)-2016
Hope is the only current player and may add to his tally of centuries.
PA da Silva (SL) is the only one with unbeaten centuries in both innings (1997).
Apart from those listed above, these players made their first two centuries in the same Test:
W Bardsley (Aus)-1909 Total 6 centuries
VS Hazare (Ind)-1948 Total 7
LG Rowe (WI)-1972 on debut-Total 7
GP Howarth (NZ)-1978 Total 6
LRD Mendis (SL)-1982 Total 4
PJ Hughes (Aus)-2009 Total 3
Mendis made 105 and 105, where 105 is the highest score made in both innings.
While Sachin Tendulkar has scored the most centuries (51), he never made centuries in both innings. His immediate followers Kallis (45) and Ponting (41) have done so.
25 or more Test centuries without ever making a century in both innings:
SR Tendulkar 51
M Jayawardene 34
AN Cook 33
S Chanderpaul 30
MJ Clarke 28
GC Smith 27