They started December ranked 646th.
Their 270 points playing doubles equal 15 percent of their total score, added to 100 percent of their singles points.
Players earn points per round in tournaments, winning higher points the further into a tournament they advance.
Jarett Cascino of New York Tennis Magazine says tennis is one of the most competitive youth sports.
“There is always someone better than you on any given day, even if you are the number one player in the world!” he said.
Standings are released weekly.
Junior Boys' 12 doubles rankings by end of December 2021
| Name | Doubles Points | Total Points |
|---|---|---|
| Arnon Jittathai | 3,053 | 2,060 |
| Andreas Udall | 1,476 | 3,067 |
| Stefanos Constantinides | 504 | 1,166 |
| Ricardo Estrada | 315 | 386 |
| Daniel Gardality | 270 | 1,308 |
| Max Lawson | 90 | 621 |
| Paolo Huerta | 8 | 167 |
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