Steht hier:
https://www.ittf.com/wp-content/uplo...nformation.pdf
Doubles Events
Seeding done by combining each player*s Doubles Individual ITTF Table Tennis Youth Ranking position to form a Combined Rank.
Unranked players receive the ranking of the lowest ranked player plus 1. Pairs are sorted ascending by their Combined Rank.
Tie-break procedures to determine seeding order shall be as follow:
1. The pair with the greatest number of points in the Doubles Pairs ITTF Table Tennis Youth Ranking.
2. The pair with the best Combined Rank considering the previous ranking week.
3. The pair with the most combined number of events over the previous 52-week period.
4. The pair with the most combined number of points in the Boys*/Girls* Singles ITTF Table Tennis Youth Ranking.
5. Randomly sorted by the software.