| 2021 US National Table Tennis Championships
 Nishant Lebaka
 Wins
| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Ali Ammar | 264944 | 1762 | RR | Men's Singles | 9,3,7 |  | Mahadevan Arivazhakan | 97451 | 1918 | RR | Boys' Singles U17 | 8,6,4 |  | Jason Liu | 263284 | 1732 | RR | Boys' Singles U17 | 7,4,3 |  | Joseph Bruno | 223822 | 846 | RR | Boys' Singles U17 | 3,5,8 |  | Anav Gupta | 202363 | 2278 | SE | Boys' Singles U17-Prelims | 6,10,10 |  | Timothy Kim | 218931 | 2157 | RR | U2450 | 4,6,10 |  | Krzysztof Perkowski | 224044 | 1976 | RR | U2450 | 8,4,3 |  | Jeff Milford | 220156 | 1794 | RR | U2450 | 8,10,4 |  | Thomas Yu | 62089 | 2201 | SE | U2450-Prelims | 9,7,8 |  | Tiffany Lam | 96513 | 2056 | SE | U2450-Prelims | 5,4,13 |  | A.J. Carney | 8357 | 2400 | SE | U2450-Prelims | -6,5,6,3 |  | Zhen Deng | 243809 | 2449 | SE | U2450-Quarters | -8,8,9,-2,6 |  | Darryl Tsao | 98262 | 2434 | SE | U2450-Semis | 9,-8,10,8,9 |  | Ronald Yu | 32315 | 2029 | RR | U2300 | 7,8,6 |  | Derrick Cone | 64672 | 1974 | RR | U2300 | 4,5,10 |  | Nathaniel Dilworth | 1131686 | 1508 | RR | U2300 | 1,2,0 |  | Ved Sheth | 89837 | 2411 | RR | 21 & U Men's Singles | -3,4,8,-7,6 |  | Nathan Lee | 92628 | 2060 | RR | 21 & U Men's Singles | 11,7,8 |  | Anthony Ty | 215001 | 1243 | RR | 21 & U Men's Singles | 5,8,3 | 
 
  Losses| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Jones Baldonado | 78800 | 2219 | RR | Men's Singles | 9,6,8 |  | Nandan Naresh | 84904 | 2482 | SE | Boys' Singles U19-Prelims | -7,9,7,8 |  | Nandan Naresh | 84904 | 2482 | SE | Boys' Singles U17-Prelims | 6,8,9 |  | Aziz Zarehbin | 91906 | 2445 | SE | U2450-Finals | -10,7,6,-10,8,9 |  | Victor Moraga | 263612 | 2079 | SE | U2300-Prelims | 2,7,-9,12 |  | Jayden Zhou | 88299 | 2523 | SE | 21 & U Men's Singles-Quarters | -7,9,1,-10,6 | 
 |