| 2021 US National Table Tennis Championships
 Gary Ruderman
 Wins
  Losses| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Sakda Timsuwan | 65198 | 2251 | RR | Men's 50+ Singles | 2,7,7 |  | Michael Gopin | 70476 | 1847 | RR | Men's 50+ Singles | 7,7,8 |  | Yong Wang | 217364 | 0 | RR | Men's 50+ Singles | 4,5,6 |  | Robert Sun | 92671 | 2158 | RR | U2200 | 8,4,5 |  | Aishi Dassarma | 96618 | 1828 | RR | U2200 | 7,4,5 |  | Adam Davis | 97770 | 1657 | RR | U2000 | 4,10,9 |  | William Nguyen | 219181 | 1360 | RR | U2000 | 10,5,10 |  | Parviz Mojaverian | 8429 | 2184 | SE | Men's 60+ Singles-Prelims | 7,5,8 | 
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