N. Borges and M. Cilic are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | N. Borges | M. Cilic |
|---|---|---|
| Grass | 0 | 1 |
| Hard | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 12, 2026 | M. Cilic | 2 - 1 | Hertogenbosch · 1/8-finals · grass |
| Jan. 7, 2026 | N. Borges | 2 - 0 | Hong Kong · 1/8-finals · hard |