| 2021 US National Table Tennis Championships
 Jonathan Mann
 Wins
| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Bryce Milford | 220155 | 1882 | RR | U2000 | 8,8,-8,-8,10 |  | Max Mouchinski | 1150995 | 1810 | RR | U2000 | -6,10,8,8 |  | Steven Felsher | 86697 | 1557 | RR | U2000 | 6,4,6 |  | Kaylyn Hur | 1164203 | 1829 | RR | U1800 | 9,-9,-4,8,9 |  | Paul Nielsen | 8708 | 1501 | RR | U1800 | -5,9,5,7 |  | Tianze Shen | 1171920 | 0 | RR | U1800 | 7,4,2 |  | Stoyan Stoychev | 1168147 | 1483 | RR | U1600 | 6,5,-6,3 |  | Advik Pradhan | 224072 | 803 | RR | U1600 | 7,7,5 | 
 
  Losses| Opponent - Click name for results | USATT # | Rating | Format | Event - Click event for draws and results | Scores | 
|---|
 | Vinay S Chandra | 34825 | 2144 | RR | Men's Singles | 7,5,9 |  | Krzysztof Perkowski | 224044 | 1976 | RR | Men's Singles | 8,6,6 |  | Thor J. Truelson | 27830 | 2200 | RR | Men's 40+ Singles | 5,-9,-9,4,5 |  | James Therriault | 10533 | 2137 | RR | Men's 40+ Singles | 3,6,2 |  | Nabil Shehadeh | 65534 | 1726 | RR | Men's 40+ Singles | 8,10,-8,8 |  | Anay Shiledar | 928112 | 1937 | SE | U2000-Prelims | 7,3,6 |  | Nathanael Hwang | 220346 | 1524 | SE | U1800-Prelims | 11,7,12 |  | William Feng | 222276 | 1120 | RR | U1600 | 6,9,2 | 
 |