Begin Rating:
150
Present Rating:
549
Highest Rating ever:
569 (2022-01-03, position: 109)
Lowest Rating ever:
194 (2019-09-16, position: 106)
Matches played (36):
| [date] | [player A] | [player B] | [gms A] | [gms B] | [pnt A] | [pnt B] |
| 2022-09-08 | Will Fletcher | Roger Sun | 3 | 1 | 11 | -11 |
| 2022-09-08 | Olin Rupchin | Roger Sun | 3 | 0 | 20 | -20 |
| 2022-09-08 | Roger Sun | Gopi Krishna | 2 | 3 | -6 | 6 |
| 2022-09-08 | Sung Kang | Roger Sun | 1 | 3 | -17 | 17 |
| 2021-07-29 | Roger Sun | Mark Westlake | 1 | 3 | -13 | 13 |
| 2021-07-29 | Margie Alley | Roger Sun | 0 | 3 | -30 | 30 |
| 2021-07-29 | Paul Ng | Roger Sun | 3 | 1 | 0 | 0 |
| 2021-07-01 | Stephen Greenberg | Roger Sun | 3 | 1 | 7 | -7 |
| 2021-07-01 | Roger Sun | Timothy Hudson | 2 | 3 | -7 | 7 |
| 2020-03-05 | Howie Shlom | Roger Sun | 0 | 3 | -26 | 26 |
| 2020-03-05 | Roger Sun | Charles Braue | 3 | 0 | 19 | -19 |
| 2020-02-27 | James Zou | Roger Sun | 1 | 3 | -18 | 18 |
| 2020-02-27 | Roger Sun | Charles Braue | 3 | 1 | 11 | -11 |
| 2020-02-20 | Howie Shlom | Roger Sun | 0 | 3 | -31 | 31 |
| 2020-02-20 | James Zou | Roger Sun | 3 | 1 | 6 | -6 |
| 2020-02-13 | Roger Sun | Chong Jue | 3 | 0 | 18 | -18 |
| 2020-02-13 | Roger Sun | Chanakya Nayudu | 2 | 3 | -11 | 11 |
| 2020-02-06 | Roger Sun | David Teich | 3 | 2 | -1 | 1 |
| 2020-02-06 | Roger Sun | Chong Jue | 3 | 1 | 7 | -7 |
| 2020-01-30 | Eva Prunyi | Roger Sun | 0 | 3 | -28 | 28 |
| 2020-01-30 | James Zou | Roger Sun | 3 | 0 | 21 | -21 |
| 2020-01-23 | Charles Braue | Roger Sun | 0 | 3 | -32 | 32 |
| 2020-01-23 | David Teich | Roger Sun | 0 | 3 | -28 | 28 |
| 2019-12-19 | Roger Sun | Howie Shlom | 3 | 1 | 9 | -9 |
| 2019-12-19 | Roger Sun | Chanakya Nayudu | 3 | 0 | 21 | -21 |
| 2019-12-12 | Howie Shlom | Roger Sun | 1 | 3 | -16 | 16 |
| 2019-12-12 | Roger Sun | Frank Valentine | 3 | 0 | 22 | -22 |
| 2019-11-07 | Roger Sun | Eva Prunyi | 3 | 0 | 22 | -22 |
| 2019-11-07 | Howie Shlom | Roger Sun | 2 | 3 | -8 | 8 |
| 2019-10-31 | Eva Prunyi | Roger Sun | 1 | 3 | -15 | 15 |
| 2019-10-31 | Chong Jue | Roger Sun | 2 | 3 | -8 | 8 |
| 2019-09-19 | Nenad Bach | Roger Sun | 0 | 3 | -30 | 30 |
| 2019-09-19 | Roger Sun | Robert Zengotita | 3 | 0 | 15 | -15 |
| 2019-09-19 | Dillon Tsang | Roger Sun | 0 | 3 | -27 | 27 |
| 2019-08-02 | Aden Yankwitt | Roger Sun | 0 | 3 | -26 | 26 |
| 2019-08-02 | Roger Sun | Robert Zengotita | 3 | 0 | 18 | -18 |