M. Cilic leads the head-to-head 2-0 since 2018 against M. Giron, over 2 matches.
| Surface | M. Giron | M. Cilic |
|---|---|---|
| Clay | 0 | 1 |
| Hard | 0 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 7, 2026 | M. Cilic | 2 - 0 | Rome · 1/64-finals · clay |
| Oct. 13, 2020 | M. Cilic | 2 - 1 | Cologne · 1/16-finals · hard |