| Game | Event | Date | Result |
|---|
| Saidmurodov,Shahjahon vs Nelson,O | London Classic Open 2018 | 15 December 2018 | 1-0 |
| Nelson,O vs Volovich,Julia | London Classic Open 2018 | 15 December 2018 | 1-0 |
| Nelson,O vs Islam,Mohammed | London Classic Open 2018 | 14 December 2018 | 1-0 |
| Finn,Peter vs Nelson,O | London Classic Open 2018 | 13 December 2018 | 1-0 |
| Nelson,O vs Shivika Rohilla | London Classic Open 2018 | 12 December 2018 | 1/2-1/2 |
| Richard L Britton vs Nelson,O | London Classic Open 2018 | 11 December 2018 | 1-0 |
| Nelson,O vs Tomy,Jeff | London Classic Open 2018 | 10 December 2018 | 1-0 |
| Lacasa Diaz,J vs Nelson,O | London Classic Open 2018 | 9 December 2018 | 1-0 |
| Nelson,O vs McGowan,D | London Classic Open 2017 | 9 December 2017 | 0-1 |
| Nelson,O vs McGowan,D | London Classic Open 2017 | 9 December 2017 | 0-1 |
| Nelson,O vs McGowan,D | London Classic Open 2017 | 9 December 2017 | 0-1 |
| Nelson,O vs McGowan,D | London Classic Open 2017 | 9 December 2017 | 0-1 |
| Colya Englisch vs Nelson,O | London Classic Open 2017 | 8 December 2017 | 1-0 |
| Colya Englisch vs Nelson,O | London Classic Open 2017 | 8 December 2017 | 1-0 |
| Colya Englisch vs Nelson,O | London Classic Open 2017 | 8 December 2017 | 1-0 |
| Colya Englisch vs Nelson,O | London Classic Open 2017 | 8 December 2017 | 1-0 |
| Nelson,O vs Andreea-Cristiana Navrotescu | London Classic Open 2017 | 7 December 2017 | 1-0 |
| Nelson,O vs Andreea-Cristiana Navrotescu | London Classic Open 2017 | 7 December 2017 | 1-0 |
| Schut,Ha vs Nelson,O | London Classic Open 2017 | 6 December 2017 | 1-0 |
| Schut,Ha vs Nelson,O | London Classic Open 2017 | 6 December 2017 | 1-0 |
| Nelson,O vs Chidi,L | London Classic Open 2017 | 5 December 2017 | 1-0 |
| Nelson,O vs Chidi,L | London Classic Open 2017 | 5 December 2017 | 1-0 |
| Oyama,Akito vs Nelson,O | London Classic Open 2017 | 4 December 2017 | 1-0 |
| Oyama,Akito vs Nelson,O | London Classic Open 2017 | 4 December 2017 | 1-0 |
| Stauskas,Lukas vs Nelson,O | London Classic Open 2017 | 3 December 2017 | 1-0 |
| Nelson,O vs Dias,Savin | London Classic Open 2017 | 3 December 2017 | 1-0 |
| Stauskas,Lukas vs Nelson,O | London Classic Open 2017 | 3 December 2017 | 1-0 |
| Nelson,O vs Dias,Savin | London Classic Open 2017 | 3 December 2017 | 1-0 |
| Nelson,O vs Merijn Van Delft | London Classic Open 2017 | 2 December 2017 | 1/2-1/2 |
| Nelson,O vs Merijn Van Delft | London Classic Open 2017 | 2 December 2017 | 1/2-1/2 |
| Gaudeau,V vs Nelson,O | 14th 4NCL Congress 2017 | 16 July 2017 | 1-0 |
| Nelson,O vs Ashley Stewart | 14th 4NCL Congress 2017 | 16 July 2017 | 0-1 |
| Derek Simpson vs Nelson,O | 14th 4NCL Congress 2017 | 15 July 2017 | 0-1 |
| Nelson,O vs Crockart,S | 14th 4NCL Congress 2017 | 15 July 2017 | 1/2-1/2 |
| Nelson,O vs Kapoor,Gurveen | 14th 4NCL Congress 2017 | 14 July 2017 | 1/2-1/2 |
