2 games · 2012–2013 · 0 classical · 2 online
Feng 11 draws0 Costigan
75.0% for Feng
Openings between them
| A46 | Torre Attack: Classical Defense | 1 | 50.0% |
| D13 | Slav Defense: Exchange Variation | 1 | 100.0% |
All games
| Costigan, R2301 | ½-½ | Feng, Roland2099 | US Chess League 2013 | 2013 |
| Feng, Roland2080 | 1-0 | Costigan, R2301 | US Chess League KO Final 2012 | 2012 |