By surface
| Surface | John Millman | Marcos Giron |
|---|---|---|
| Hard | 1 | 2 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-02-21 | ATP | Acapulco | Round of 32 | Hard | Marcos Giron | 6-73 | 0-2 | |||
| 2022-02-14 | ATP | Delray Beach | Round of 16 | Hard | John Millman | 6-3 | 7-66 | |||
| 2021-09-27 | ATP | Sofia | Quarterfinal | Hard | Marcos Giron | 4-6 | 2-6 |