1 games · 2022–2022 · 1 classical · 0 online
Costello 10 draws0 Oen
100.0% for Costello
Openings between them
| B40 | Sicilian Defense: French Variation, Westerinen Attack | 1 | 100.0% |
All games
| Costello, Alexander2232 | 1-0 | Oen, Grant2001 | 122nd US Open 2022 | 2022 |