01/By surface
each with its own count, at equal weight
Hard
3-0
D. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Sep 1, 2023 | US OpenGrand Slam, best of 5 | hard | 2nd round | Medvedev D. | 6-2, 6-2, 6-7, 6-2 | 3 v 69 |
| Feb 23, 2023 | Qatar Exxon Mobil OpenATP250 | hard | quarterfinal | Medvedev D. | 6-2, 4-6, 7-5 | 8 v 94 |
| Sep 4, 2020 | US OpenGrand Slam, best of 5 | hard | 2nd round | Medvedev D. | 6-3, 6-2, 6-4 | 5 v 116 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Medvedev D. and O Connell C. each carry the table against every opponent faced.