A. Martin leads the all-time head-to-head 2-0 against C. O'Connell, over 2 matches.
| Surface | C. O'Connell | A. Martin |
|---|---|---|
| Hard | 0 | 1 |
| Clay | 0 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| July 25, 2026 | A. Martin | 1 - 2 | Washington · Semi-finals · hard |
| May 24, 2021 | A. Martin | 1 - 2 | Belgrade 2 · 1/16-finals · clay |