2018 World Cup Team Statistics and Head to Head Records Spreadsheet is a spreadsheet to see team statistics and head-to-head records of all participants in the tournament.
Statistics and Head-to-Head records you can see are :
Statistics of particular team in all World Cup tournaments;
Statistics of particular team during their participation in the last 5 world cups (1998 - 2014);
Particular team last 10 matches;
All matches in last 5 world cups (1998 - 2014);
Head-to-Head records between particular team against all 2018 world cup participants.
This 2018 World Cup Team Statistics and Head to Head Records Spreadsheet should help you analyze on how they will perform in this tournament against particular opponents based on their statistics. You can see which teams that have never won their first group matches in their last 5 world cups, which teams that have never won against particular opponents.