| 2021 US National Table Tennis Championships
 Steven Thanhtan Nguyen
 Wins
| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Diego Almeida | 1165111 | 1621 | RR | U2000 | 7,0,7 |  | Joseph Bruno | 223822 | 846 | RR | U2000 | 4,5,3 |  | Steven Nelson | 93181 | 1533 | RR | U1800 | 7,9,2 |  | Tanish Balamurugan | 230805 | 1368 | RR | U1800 | 5,-6,7,2 |  | William Sun | 230594 | 891 | RR | U1800 | 6,2,8 | 
 
  Losses| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Zefeng Chen | 98208 | 2356 | RR | U2550 | 7,9,8 |  | Mudit Mahajan | 91747 | 2179 | RR | U2550 | -9,9,6,7 |  | Prajeet Kanchi | 96820 | 2042 | RR | U2550 | 8,-8,4,6 |  | Kash Noorani | 216131 | 2164 | RR | U2450 | 10,-3,3,7 |  | Kurt Douty | 5442 | 2003 | RR | U2450 | -8,7,9,11 |  | Ian Seidenfeld | 80503 | 2143 | RR | U2300 | 10,10,10 |  | Arnav Khinvasara | 96746 | 2077 | RR | U2300 | 2,8,4 |  | Arnav Jain | 198566 | 1813 | RR | U2300 | -9,5,-10,7,10 |  | Anil Ramappa | 78702 | 2065 | RR | U2200 | 4,-10,6,-7,7 |  | Krzysztof Perkowski | 224044 | 1976 | RR | U2000 | 7,2,5 |  | Sean Ling | 199400 | 1789 | SE | U1800-Prelims | 4,9,-6,5 | 
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