| 2021 US National Table Tennis Championships
 Carlos Ko
 Wins
| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Steven Granaturov | 95340 | 2144 | RR | Men's Singles | 7,8,7 |  | Kef Noorani | 217865 | 1965 | RR | Men's Singles | -10,15,7,0 |  | Wenhu Liu | 218158 | 1437 | RR | Men's Singles | 4,3,5 |  | Krzysztof Perkowski | 224044 | 1976 | RR | Men's 40+ Singles | 6,4,5 |  | Raza Mawjee | 88195 | 1710 | RR | Men's 40+ Singles | 3,3,2 |  | Ryan Lin | 96592 | 2034 | RR | U2550 | 6,6,7 |  | Marco Makkar | 32732 | 1791 | RR | U2550 | 4,5,6 |  | Bradley Robbins | 92461 | 2123 | RR | U2450 | 6,-7,-8,7,5 |  | Taran Tummala | 93278 | 2077 | RR | U2450 | -9,-6,9,8,5 |  | Nathaniel Dilworth | 1131686 | 1508 | RR | U2450 | 5,4,8 | 
 
  Losses| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Nandan Naresh | 84904 | 2482 | SE | Men's Singles-Prelims | 3,7,-9,6 |  | Thomas Yu | 62089 | 2201 | SE | Men's 40+ Singles-Prelims | 8,8,-9,8 |  | Jonathan Hu | 95282 | 2189 | RR | U2550 | 4,-6,7,-6,9 |  | Henrik Zhang | 87832 | 2293 | SE | U2450-Prelims | -10,6,9,7 | 
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